Disclosure of Invention
The invention aims to solve the technical problem of providing a multifunctional baby trolley which is suitable for babies of 0-18 months and has the functions of a baby hand basket, a basket type automobile safety seat, a baby trolley and a baby cradle, so that the problems of low utilization rate and space occupation of the conventional products are solved, the multifunctional baby trolley is multipurpose, the storage space is greatly saved, and the utilization rate is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a multifunctional baby stroller comprises a baby basket movably connected with a stroller frame or a cradle support.
The baby basket comprises a baby basket shell, and two sides of the baby basket shell are movably connected with basket handles;
the baby basket inner shell is movably connected to the inner side of the baby basket outer shell, sliding blocks are arranged on the back of the baby basket inner shell, sliding tracks are arranged on two sides of the inner surface of the baby basket outer shell, anti-falling baffles are arranged on two sides of the sliding tracks, the sliding blocks are located on the sliding tracks, and the sliding blocks are connected with a first motor;
the upper end of the back surface of the inner shell of the baby basket is provided with a back safety belt socket, the two sides of the inner shell of the baby basket are provided with handrail safety belt sockets, and the top end of the inner shell of the baby basket is provided with a sunshade;
the baby basket inner layer is detachably connected to the inner side of the basket inner shell and comprises a seat surface, a backrest and a headrest, and a safety belt is arranged on the baby basket inner layer.
The basket handle comprises a basket handle frame, the middle part of the basket handle frame is sleeved with a handle anti-slip layer, the basket handle frame is movably connected with the baby basket shell through a handle rotating shaft, a handle rotating button is arranged at the joint, both ends of the basket handle frame are provided with connecting lugs, the connecting lugs are provided with circular through holes for penetrating through the rod ends of the handle rotating shafts, the tail end of the rod end of the handle rotating shaft is provided with a plurality of clamping strips, the positions of the baby basket shell corresponding to the connecting lugs are provided with slotted holes, a plurality of clamping grooves matched with the clamping strips are arranged in the slotted holes, the handle rotating shaft passes through the circular through hole on the connecting lug and then is clamped with the slotted holes on the baby basket shell, the handle rotating button is connected with a pressing rod, a clamping block is arranged at the bottom of the pressing rod, and a plurality of clamping block grooves matched with the clamping block are formed in the handle rotating button.
The trolley frame comprises 4 trolley support rods, 2 trolley support rods positioned on the same side are hinged with trolley connecting rods in opposite directions, a first trolley connecting hole is formed in each trolley connecting rod, 2 trolley connecting rods positioned on the same side are in sliding connection with a trolley frame rotating shaft through the first connecting holes, a wheel fixing shaft is arranged at the bottom of each trolley support rod, a wheel brake is arranged on each wheel fixing shaft, each wheel fixing shaft is connected with a wheel, a storage basket is fixedly arranged on each 4 trolley support rods, a trolley handrail is fixedly connected to each trolley support rod positioned on the rear side, and a trolley handle anti-skid layer is arranged on each trolley handrail;
lie in with one side the fixed handcart frame fixing groove that is equipped with between the handcart bracing piece, handcart frame fixing groove includes first notch, first notch is in with the setting the protruding phase-match on the cradle bracing piece of baby's hand-basket shell both sides, handcart frame fixing groove with cradle bracing piece interference is connected.
The top end of the trolley support rod is arc-shaped, the outer side surface of the top end of the trolley support rod 21 positioned on the front side is integrally connected with a first arc with an upward opening, the inner side surface of the top end of the trolley support rod 21 on the inner side of the first arc is a second arc, and the first arc and the second arc form an arc ladder; the inner side surface of the top end of the trolley supporting rod positioned at the rear side is integrally connected with a third arc with an upward opening, the outer side surface of the top end of the trolley supporting rod at the outer side of the third arc is a fourth arc, and the third arc and the fourth arc also form an arc ladder; the central angles of the first arc and the third arc are both 180 degrees, and the central angles of the second arc and the fourth arc are both 80-90 degrees and are respectively profiled with the outer surfaces of the first arc and the third arc; the width of second circular arc and fourth circular arc all is greater than the width of first circular arc and third circular arc, bear the weight of on the second circular arc the third circular arc, bear the weight of on the fourth circular arc first circular arc, between first circular arc and the third circular arc place on second circular arc and the fourth circular arc handcart frame fixed slot.
The cradle support comprises 4 cradle support rods, 2 cradle support rods positioned on the same side face are hinged with cradle connecting rods in opposite directions, second connecting holes are formed in the cradle connecting rods, the 2 cradle connecting rods positioned on the same side face are connected with a cradle frame rotating shaft in a sliding mode through the second connecting holes, and the cradle connecting rods positioned on two sides are connected through transverse supporting shafts;
a cradle rack fixing clamping groove is fixedly arranged between the cradle supporting rods positioned on the same side, the cradle rack fixing clamping groove comprises a second notch, the second notch is matched with bulges arranged on the cradle supporting rods on two sides of the baby basket shell, and the cradle rack fixing clamping groove is in interference connection with the cradle supporting rods;
the cradle support comprises a second motor, the second motor comprises a first rotating shaft in the horizontal direction, a first gear is arranged on the vertical direction of the first rotating shaft and meshed with a second gear in the horizontal direction, a second rotating shaft in the vertical direction is arranged in the middle of the second gear, and the other end of the second rotating shaft is connected with a rotating rod vertical to the second rotating shaft.
The second motor, first pivot, first gear, second gear, the second pivot with the bull stick is two sets ofly, sets up respectively the left and right sides of baby's hand-basket.
The top end of the cradle support rod is arc-shaped, the outer side surface of the top end of the cradle support rod positioned on the front side is integrally connected with a fifth arc with an upward opening, the inner side surface of the top end of the cradle support rod positioned on the inner side of the fifth arc is a sixth arc, and the fifth arc and the sixth arc form an arc ladder; the inner side surface of the top end of the cradle support rod positioned at the rear side is integrally connected with a seventh arc with an upward opening, the outer side surface of the top end of the cradle support rod positioned at the outer side of the seventh arc is an eighth arc, and the seventh arc and the eighth arc also form an arc ladder; the central angles of the fifth circular arc and the seventh circular arc are both larger than 180 degrees, the central angles of the sixth circular arc and the eighth circular arc are both 95-105 degrees and are respectively profiled with the outer surfaces of the fifth circular arc and the seventh circular arc, the widths of the sixth circular arc and the eighth circular arc are both larger than the widths of the fifth circular arc and the seventh circular arc, the seventh circular arc is borne on the sixth circular arc, the fifth circular arc is borne on the eighth circular arc, and the cradle rack fixing clamping groove is placed on the sixth circular arc and the eighth circular arc between the fifth circular arc and the seventh circular arc.
The central angle of the fifth circular arc and the sixth circular arc is 190-210 degrees.
Compared with the prior art, the invention has the following beneficial effects:
the utility model provides a multi-functional baby's handcart has baby's hand-basket simultaneously concurrently, basket formula car safety seat, baby's handcart and baby's cradle's function, solves current product rate of utilization low, occupation space's problem, realizes that a thing is multi-purpose, has practiced thrift the storage space greatly, increases operation rate.
1. The baby lifting basket can be independently used in a baby lifting basket mode, the baby lifting basket is fixed on a rear seat of the automobile in a lifting basket type automobile safety seat mode, the baby lifting basket is fixed on a frame of a trolley and used in a baby trolley mode, and the baby lifting basket is fixed on a bracket and used in a baby cradle mode.
2. The adjustment and the fixation of the angle of the baby basket are realized by the cooperation of the rotating gear and the rack.
3. The cooperation of motor, first pivot, first gear, second pivot and bull stick realizes swinging around the baby's hand-basket.
4. The design of first circular arc, second circular arc, third circular arc and fourth circular arc has realized the firm fixed of baby's hand-basket shell, and the security is more excellent.
5. The design of the fifth arc, the sixth arc, the seventh arc and the eighth arc realizes the swinging function of the shell of the baby lifting basket; and the fifth arc and the seventh arc serve as baffles of the cradle frame fixing clamping groove, so that the cradle frame fixing clamping groove is prevented from slipping.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A multifunctional baby handcart comprises a baby lifting basket 1, wherein the baby lifting basket 1 is movably connected with a handcart frame 2 or a cradle support 3.
The invention is designed for infants of 0-18 months, the muscles and bones of the infants at the age stage are not developed perfectly, the body is softer, the invention is suitable for lying state, and the pressure of the spine is relieved as much as possible.
Referring to fig. 1, which is a schematic view illustrating a mode of the stroller of the present invention, when the infant carrier 1 is fixed to the stroller frame 2, a guardian can conveniently push an infant to travel for shopping.
As shown in fig. 2, which is a schematic diagram of a baby cradle mode of the present invention, when the baby basket 1 is fixed to the cradle support 3, the rocking chair function of different gears can be turned on, and the functions of music early education and the like can be performed at the same time.
As shown in fig. 3, which is a schematic view of a basket type car safety seat mode of the present invention, when a guardian puts a baby in a baby basket and ties a safety belt, the basket seat is reversely placed on a back seat of a car, and the car safety belts are respectively fixed to the whole safety seat and inserted into a safety belt slot, so as to ensure the safety of the baby during driving.
As shown in fig. 4 to 9, the infant carrier 1 includes an infant carrier case 11, the infant carrier case 11 is shaped like an open-topped boat for facilitating the infant to lie on, and the infant carrier case 11 is an external supporting shell of the infant carrier 1, and is made of an aircraft aluminum material, which has high strength, light weight, good heat dissipation, and good wear resistance after being hardened by oxygen on the surface.
Baby hand-basket shell 11 inboard swing joint baby hand-basket inner shell 13, connection baby hand-basket inlayer 14 can be dismantled to hand-basket inner shell 13 inboard, and the mode that specifically can dismantle the connection can be for pasting through the magic and link to each other or separate, baby hand-basket inlayer 14 inside be the soft layer of polyester fiber, have good fire-retardant and gas permeability, the outer oxford that is, have soft fire-retardant and ventilation function. The inner baby carrier layer 14 comprises a seat surface, a backrest and a headrest, the inner baby carrier layer 14 is provided with a safety belt 110, the safety belt 110 can be adjusted according to the height of a baby, and has enough activity space, shoulder protection and the function of protecting the tender body of the baby. The back of infant carrier inner shell 13 is equipped with back safety belt socket 17, infant carrier inner shell 13 both sides are equipped with handrail safety belt socket 18, infant carrier inner shell 13 top is equipped with sunshade 19, sunshade 19 is rotatable to be opened and is played the function of preventing wind, keeping off the rain and sunshade, and when not using, sunshade 19 also can be hidden in infant carrier inner shell 13.
Furthermore, sliding block 12 is arranged on the back of inner shell 13 of the infant carrier, sliding rails 16 are arranged on two sides of the inner surface of outer shell 11 of the infant carrier, anti-falling baffles are arranged on two sides of sliding rails 16, sliding block 12 is located on sliding rails 16, sliding block 12 is connected with a first motor, and the first motor is connected with a power supply. This setting is in order to realize the angular adjustment and the fixed function of baby's hand-basket inner shell 13, also can replace with other structures on the market, like: the inner baby carrier shell 13 is connected with the outer baby carrier shell 11 through a gas spring structure, and the gas spring structure is commonly used for adjusting the angle of an office chair, such as an angle adjuster YQ gas spring of a universal chair angle adjuster.
Further, baby's hand-basket shell 11 both sides swing joint hand-basket handle 15, hand-basket handle 15 includes hand-basket handle frame 151, handle skid resistant course 152 is cup jointed at hand-basket handle frame 151 middle part, handle skid resistant course 152 is anti-skidding material, travelling comfort and anti-skidding effect when playing the baby's hand-basket are carried to the user hand.
The basket handle frame 151 is movably connected to the infant basket housing 11 by a handle rotation shaft 153, and a handle rotation button 154 is provided at the connection. Both ends of hand-basket handle frame 151 all are provided with the engaging lug, are provided with on the engaging lug and are used for passing the circular through-hole of the rod end of handle rotation axis 153, the rod end of handle rotation axis 153 is provided with a plurality of card strips, baby's hand-basket shell 11 with be provided with the slotted hole on the corresponding position of engaging lug, be provided with in the slotted hole a plurality of with the draw-in groove of card strip looks adaptation, handle rotation axis 153 pass behind the circular through-hole on the engaging lug with the slotted hole joint on baby's hand-basket shell 11.
The handle rotating button 154 is connected with a pressing rod which is a rebounder, and the rebounder is hardware commonly used in the market, such as rebounder CB-2020. The bottom of the pressing rod is provided with a clamping block, a plurality of clamping block grooves matched with the clamping block are formed in the handle rotating shaft 153, the pressing rod is clamped with the handle rotating shaft 153 after being pressed down, therefore, the basket handle 15 is fixed, and when the pressing rod is bounced, the basket handle 15 rotates. When used as a baby carrier mode, the carrier handle 15 is rotatably fixed to the upper part of the baby carrier to facilitate the hand-lifting of the baby carrier by the guardian. When used as a stroller car seat, stroller and baby bouncer mode, the basket handle 15 is pivotally secured to the top.
The handle rotating button 154 can also be a screw, a screw hole matched with the screw is arranged on the side wall of the connecting lug, a handle is connected to the top end of the screw, and the bottom end of the screw tightly props against the outer wall of the handle rotating shaft 153 by rotating the screw through the handle, so that the basket handle 15 is fixed; similarly, the screw is rotated in the opposite direction, so that the bottom end of the screw is separated from the outer wall of the handle rotating shaft 153, thereby realizing the rotation of the basket handle 15.
As shown in fig. 10-11, the cart frame 2 includes 4 cart support rods 21, a cart connecting rod 22 is hinged to 2 cart support rods 21 on the same side (i.e. left side or right side) at opposite positions, a frame first connecting hole is formed in the cart connecting rod 22, and 2 cart connecting rods 22 on the same side (i.e. left side or right side) are slidably connected to the frame rotating shaft 23 through the first connecting hole, so that when the 2 cart connecting rods 22 on the same side rotate at the maximum angle, the cart frame is in an unfolded state of use, and when the cart connecting rods rotate at the minimum angle, the cart is in a folded state, thereby facilitating transportation or space storage.
Further, a wheel fixing shaft 25 is mounted at the bottom of the trolley supporting rod 21, a wheel brake 29 is mounted on the wheel fixing shaft 25, the wheel fixing shaft 25 is connected with a wheel 24, the wheel brake function is achieved when the guardian steps on the wheel brake 29 with feet, and the wheel brake 29 bounces to achieve the wheel unlocking function after the guardian steps on the wheel brake 29 with feet again.
Furthermore, a basket 28 is fixedly arranged on 4 of the cart support rods 21, a cart handle 26 is fixedly connected to the cart support rod 21 at the rear side, and a cart handle anti-slip layer 27 is arranged on the cart handle 26.
Further, as shown in fig. 14, a stroller frame fixing slot 210 is fixedly disposed between the top ends of the stroller support bars 21 located on the same side (i.e., the left side or the right side), the stroller frame fixing slot 210 includes a first notch, the first notch is matched with a protrusion disposed on the support bars 155 on both sides of the baby basket housing 11, the stroller frame fixing slot 210 is in interference connection with the support bars 155, and the support bars 155 can be inserted into the baby cradle fixing slot 210, so as to achieve the integral fixed connection between the baby basket 1 and the stroller frame 2.
The top end of the trolley support rod 21 is arc-shaped, specifically, the outer side surface of the top end of the trolley support rod 21 positioned at the front side is integrally connected with a first arc with an upward opening, the inner side surface of the top end of the trolley support rod 21 at the inner side of the first arc is a second arc, and the first arc and the second arc form an arc ladder; the inner side surface of the top end of the trolley support rod 21 positioned at the rear side is integrally connected with a third arc with an upward opening, the outer side surface of the top end of the trolley support rod 21 positioned at the outer side of the third arc is a fourth arc, and the third arc and the fourth arc also form an arc ladder; the central angles of the first circular arc and the third circular arc are both 180 degrees, and the central angles of the second circular arc and the fourth circular arc are both 80-90 degrees and are respectively in profile modeling with the outer surfaces of the first circular arc and the third circular arc. The widths of the second arc and the fourth arc are both larger than those of the first arc and the third arc, the second arc bears the third arc, the fourth arc bears the first arc, and the second arc and the fourth arc between the first arc and the third arc are provided with the trolley frame fixing clamping groove 210; in the structure of this embodiment, not only the first arc and the third arc can be relatively displaced around the stroller frame fixing slot 210, thereby realizing folding or unfolding of the stroller; and the first arc and the third arc serve as baffles of the stroller frame fixing clip 210, thereby preventing the movably mounted stroller frame fixing clip 210 from slipping off. Specifically, the notch runs through the stroller frame fixing clamping groove 210, two protrusions are arranged at the bottom end of the supporting rod 155, a plurality of grooves used for being matched with the protrusions are respectively arranged at the bottom ends of the second circular arc and the fourth circular arc, when the baby basket shell 11 and the stroller frame 2 need to be fixed, the unfolding angle of the stroller is adjusted firstly, the supporting rod 155 is inserted into the notch of the stroller frame fixing clamping groove 210 and is pressed downwards continuously until the two protrusions at the bottom end of the supporting rod 155 are connected with the top ends of the two stroller supporting rods 21 respectively, after the operation, the unfolding angle of the stroller can be fixed, the unfolding angle of the stroller can be adjusted more safely, the unfolding angle of the stroller can be adjusted conveniently, when the stroller is required to be folded or the unfolding angle type is required to be adjusted again, only one supporting rod 155 needs to be pulled out firstly, and then the first circular arc and the third circular arc of the two stroller supporting rods 21 are sent out around Relative displacement occurs, and after the adjustment is completed, the supporting rod 155 is pressed down to the other two grooves at the top ends of the two trolley supporting rods 21.
In this embodiment, the central angles of the first arc and the third arc are both set to be 180 degrees, so that the stroller frame fixing slot 210 has a limiting effect, the semicircular stroller frame fixing slot 210 is tightly limited in the semicircular space formed by the first arc and the third arc, the stroller frame fixing slot 210 cannot move upwards, downwards, leftwards and rightwards, the firm fixation of the infant carrier shell 11 is further realized, and the safety is more excellent.
Preferably, the notch comprises a circle, a semicircle or a rectangle.
As shown in fig. 12-13, the cradle support 3 includes 4 cradle support rods 31, 2 cradle support rods 31 located on the same side (i.e., left side or right side) are hinged to cradle connection rods 32 at opposite positions, the cradle connection rods 32 are provided with second connection holes, the 2 cradle connection rods 32 located on the same side (i.e., left side or right side) are slidably connected to a cradle support rotation shaft 33 through the second connection holes, and the cradle connection rods 32 located on both sides are connected to each other through a transverse support shaft 34. When being located with the same side (namely left surface or right surface) the cradle connecting rod 32 rotates the maximum angle, is the expansion user state of cradle support 3, when being located with the same side (namely left surface or right surface) the cradle connecting rod 32 rotates the minimum angle, is the fold condition of cradle support 3, the transportation or the space of being convenient for are deposited.
As shown in fig. 13, a long-strip-shaped sliding hole is formed on the connecting surface of the cradle support rod 31 and the cradle connecting rod 32, one end of the cradle connecting rod 32 is slidably connected in the sliding hole, a sliding rail is arranged in the cradle support rod 31, a sliding block is arranged on the cradle connecting rod 32, the sliding block is positioned on the sliding rail, and the sliding block is connected with a telescopic head of a telescopic motor, so that the angle adjustment between the two connected cradle connecting rods 32 is realized, and the unfolding or folding of the cradle support 3 is realized; specifically, the telescopic motor is located in the cradle support rod 31, and the cradle support rod 31 is provided with motor heat dissipation holes. The top end of the cradle support 3 is provided with a telescopic motor control key and a charging interface. The telescopic motor is connected to an external power source 37 or a battery 38.
A cradle rack fixing clamping groove 35 is fixedly arranged between the cradle support rods 31 positioned on the same side (namely the left side surface or the right side surface), the cradle rack fixing clamping groove 35 comprises a second notch, the second notch is matched with protrusions arranged on the support rods 155 on the two sides of the baby basket shell 11, the cradle rack fixing clamping groove 35 is in interference connection with the support rods 155, and the support rods 155 can be inserted into the cradle rack fixing clamping groove 35, so that the whole fixed connection of the baby basket 1 and the cradle support 3 is realized.
Further, as shown in fig. 15, the cradle support 3 includes a second motor 36, the second motor 36 includes a first rotating shaft 39 in the horizontal direction, a first gear 310 is disposed in the vertical direction of the first rotating shaft 39, the first gear 310 is engaged with a second gear 311 in the horizontal direction, a second rotating shaft 312 in the vertical direction is disposed in the middle of the second gear 311, the other end of the second rotating shaft 312 is connected to a rotating rod 313 perpendicular thereto, and the rotating rod 313 is used for pushing the infant carrier housing 11 to swing back and forth.
The second motor 36 is installed at the middle upper part of the cradle supporting rod 31, the first rotating shaft 39 of the second motor 36 extends towards the baby basket 1 and is connected with the first gear 310, the second motor 36 rotates to drive the first gear 310 to rotate, and then drives the second gear 311 engaged with the first gear 310 to rotate, the second gear 311 rotates, so as to drive the second rotating shaft 312 fixedly connected with the second rotating shaft to rotate, the second rotating shaft 312 rotates to drive the rotating rod 313 to rotate, when the rotating rod 313 rotates to the front end and the rear end of the baby basket shell 11 and passes through the baby basket shell 11, the rotating rod 313 impacts the baby basket shell 11, so that the automatic swinging function of the baby basket shell 11 is realized, and an anti-collision strip is arranged at the impact position of the rotating rod 313 of the baby basket shell 11, so as to avoid over-violent impact and frightening the baby. In addition, the rotational speed of the second motor 36 in the present embodiment is adjustable.
Specifically, the top end of the cradle support rod 31 is arc-shaped.
Further specifically, a fifth arc with an upward opening is integrally connected to the outer side surface of the top end of the cradle support rod 31 located at the front side, the inner side surface of the top end of the cradle support rod 31 located at the inner side of the fifth arc is a sixth arc, and the fifth arc and the sixth arc form an arc ladder; the inner side surface of the top end of the cradle support rod 31 positioned at the rear side is integrally connected with a seventh arc with an upward opening, the outer side surface of the top end of the cradle support rod 31 positioned at the outer side of the seventh arc is an eighth arc, and the seventh arc and the eighth arc also form an arc ladder; the central angles of the fifth circular arc and the seventh circular arc are both larger than 180 degrees, preferably 190-210 degrees, and the central angles of the sixth circular arc and the eighth circular arc are both 95-105 degrees and are respectively profiled with the outer surfaces of the fifth circular arc and the seventh circular arc. The widths of the sixth arc and the eighth arc are both greater than the widths of the fifth arc and the seventh arc, the seventh arc is carried on the sixth arc, the fifth arc is carried on the eighth arc, and the cradle frame fixing clamping groove 35 is placed on the sixth arc and the eighth arc between the fifth arc and the seventh arc; with the above structure of this embodiment, the semicircular cradle rack fixing slot 35 can move relatively between the fifth arc and the seventh arc, so as to realize the swing function of the baby cradle shell 11; and the fifth arc and the seventh arc serve as baffles of the cradle frame fixing clamping groove 35, so that the movably mounted cradle frame fixing clamping groove 35 is prevented from slipping.
The second motor 36, the first rotating shaft 39, the first gear 310, the second gear 311, the second rotating shaft 312 and the rotating rod 313 are two sets, and are respectively disposed at the left and right sides of the infant carrier 1.
The second motor 36 is connected to an external power source 37 or a battery 38.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
As used herein, unless otherwise specified the use of the ordinal adjectives "first", "second", "third", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
While the invention has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this description, will appreciate that other embodiments can be devised which do not depart from the scope of the invention as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The present invention has been disclosed in an illustrative rather than a restrictive sense, and the scope of the present invention is defined by the appended claims.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.