fig1 is a perspective view illustrating an embodiment of a baby crib 100 , and fig2 is a schematic view illustrating a rear portion of the baby crib 100 . the baby crib 100 can include a support frame 102 and a bassinet 104 . the support frame 102 can be constructed so as to hold the bassinet 104 above the ground . in one embodiment , the support frame 102 can include two parallel support tube assemblies 106 , and a base 108 connected with the support tube assemblies 106 . each of the support tube assemblies 106 can include an upright segment 106 a , and an arm 106 b connected with the upright segment 106 a . the arms 106 b can bend to a same side from the upper end of the upright segments 106 a , and have respective distal ends securely connected with the bassinet 104 . in one embodiment , each of the arms 106 b can include a telescopic portion 106 c adapted to retract and deploy outward to movably adjust the bassinet 104 in a horizontal plane toward or away from the upright segments 106 a . a latch ( not shown ) can be provided to lock for preventing movements of the telescopic portion 106 c , and unlock for permitting adjustment of the telescopic portion 106 c . the base 108 can be connected with the lower ends of the upright segments 106 a , and can be located at a same side as the bassinet 104 relative to the upright segments 106 a to provide stable support . the bassinet 104 is vertically spaced apart from the base 108 via a gap g , i . e ., the gap g is delimited upwardly by the bassinet 104 and downwardly by the base 108 . in addition , a side of the gap g is at least partially delimited by the upright segments 106 a , whereas an opposite side thereof is opened without any obstructing elements . the base 108 can include a plurality of tubular elements 112 and wheels 114 assembled in a horizontal plane . the tubular elements 112 can be assembled with one another to form a generally rectangular base 108 . the wheels 114 can be respectively provided at the four corners of the base 108 . the lower ends of the two upright segments 106 a can be respectively connected with two corners of the base 108 . in one embodiment , the bassinet 104 can include a bottom board 116 on which a child can be laid down , a surrounding enclosure 118 , a cover element 120 , and a hand rest rail 122 . the hand rest rail 122 can be provided along the top of the enclosure 118 . a lower end of the enclosure 118 can be connected with a peripheral region of the bottom board 116 so as to define at least partially an inner space of the bassinet 104 . the bassinet 104 is upwardly opened , such that a caregiver can place a baby in the bassinet 104 from the upper side . a sidewall of the enclosure 118 can also include a side opening 124 . in one embodiment , the side opening 124 can be formed at a side of the enclosure 118 that is opposite to the side of the support tube assemblies 106 ( i . e ., corresponding to a front of the bassinet 104 ). in one embodiment , the cover element 120 can be exemplary formed as a door 120 a made from a rigid material that is pivotally connected with the bottom board 116 . the door 120 a can be operable to move relative to the enclosure 118 to cover and uncover the side opening 124 . in conjunction with fig1 and 2 , fig3 is a schematic view illustrating the baby crib 100 in a configuration of use . the baby crib 100 can be used as a convenient bedside crib . the support frame 102 can be pushed to displace via the wheels 114 to lie adjacent to a side of an adult sleeping bed b , such that the base 108 is located below the bed b and the peripheral edge portion of the bed b is placed in the gap g between the bassinet 104 and the base 108 . by operating the latches 110 on the upright segments 106 a , the extension of the bassinet 104 over the sleeping bed b can also be adjusted to a desired height . while the cover element 120 is opened , the caregiver &# 39 ; s hands can be passed through the side opening 124 into the inner space of the bassinet 104 . accordingly , while being on the sleeping bed b , the caregiver can provide care and conveniently place the baby into the bassinet 104 via the side opening 124 without efforts or excessive movements that may disturb the child . moreover , while the caregiver is laid down on the sleeping bed b , the cover element 120 can also be opened so that the baby lying in the bassinet 104 can be visible through the side opening 124 . when the baby is sleeping , the cover element 120 can be operable to close the side opening 124 to reduce disturbance to the baby . accordingly , the baby crib 100 can be used as a bedside crib to allow a caregiver to sleep with the child on different beds , and yet provide care in a convenient manner . fig4 is a schematic view illustrating a rear portion of the baby crib 100 according to a variant embodiment . like previously described , the support frame 102 can include a base 108 ( such as shown in fig1 ). in this embodiment , two parallel upright segments 128 and parallel guide rails 130 are provided . the upright segments 128 can have lower ends connected with the base 108 , and top ends respectively connected with the guide rails 130 . the guide rails 130 and the base 108 can extend sideways to a same side of the upright segments 128 to provide stable support . the bassinet 104 can have a bottom that is movably connected with the guide rails 130 . a latch 110 can also be provided at one end of each guide rail 130 . the latches 110 can be operable to lock the bassinet 104 so that it cannot be adjustably moved relative to the guide rails 130 . when the latches 110 are unlocked , the bassinet 104 can slide relative to the guide rails 130 to adjust a horizontal distance between the bassinet 104 and the caregiver . many variations can be available for the construction of the support frame ( as shown in fig5 ) and the bassinet ( as shown in fig6 - 13 ). fig5 is a perspective view illustrating another variant embodiment of the baby crib 100 . the support frame 102 can include two parallel upright segments 128 , two upper fixture elements 132 , and two fixed bases 134 . the upright segments 128 can have upper ends respectively secured with the upper fixture elements 132 , and lower ends affixed with the bases 134 . the bassinet 104 can be fixedly assembled with the upper fixture elements 132 . a difference between the embodiment shown in fig4 and that of fig1 is that no wheels are provided in the embodiment of fig4 , and the baby crib 100 is used at a fixed position . fig6 is a schematic view illustrating a second embodiment of the bassinet 104 that differs from the previous ones by the construction of the cover element 120 . in this embodiment , the cover element 120 can be constructed as a curtain 120 b made of a flexible or soft material ( such as fabric ) that may be rolled up and unrolled as desired . the curtain 120 b can be assembled at the location of the side opening 124 , and have an upper end connected with the hand rest rail 122 . the curtain 120 b can be rolled up toward the hand rest rail 122 , and then held in the rolled state via a fastener element 136 ( for example a tie cord ) to uncover the side opening 124 . the curtain 120 b can be unrolled to extend downward for covering and closing the side opening 124 . fig7 is a schematic view illustrating a third embodiment of the bassinet 104 . the cover element 120 can be constructed as a movable door 120 c that have upper and lower edges respectively connected with guide rails 138 . a grip handle 140 may also be provided to facilitate operation of the movable door 120 c . the movable door 120 c can slide along the guide rails 138 in a direction d 1 to uncover the side opening 124 , or in a direction d 2 to close and cover the side opening 124 . fig8 is a schematic view illustrating a fourth embodiment of the bassinet 104 . the cover element 120 can be constructed as a collapsible door 120 d that is made of a flexible and deformable material that can be deployed and collapsed as the door 120 d is moved in either direction . the grip handle 140 can be likewise provided to facilitate operation of the door 120 d . the collapsible door 120 d can slide along the guide rails 138 in the direction d 1 to fold and collapse the flexible material for uncovering the side opening 124 , or in the direction d 2 to unfold and deploy the flexible material to close and cover the side opening 124 . fig9 is a schematic view illustrating a fifth embodiment of the bassinet 104 . the cover element 120 can be constructed as a rotary flap 120 e that may be pivotally connected with the hand rest rail 122 . the rotary flap 120 e can turn upward to uncover the side opening 124 , or turn downward to close and cover the side opening 124 . in addition , two opposite side edges of the bottom board 116 can also be movably assembled with guide rails 142 , such that the bottom board 116 may slide along the guide rails 142 to extend outward through the side opening 124 after the cover element 120 is opened . fig1 is a schematic view illustrating a sixth embodiment of the bassinet 104 . the cover element 120 can be constructed as rotary flap 120 f pivotally connected with the bottom board 116 . two opposite side edges of the bottom board 116 can be movably assembled with guide rails 144 , such that the bottom board 116 and the rotary flap 120 f may slide in unison along the guide rails 142 to extend outward or retract inward . a grip handle 140 may also be provided on an outer side of the rotary flap 120 f to facilitate operation of the bottom board 116 and the rotary flap 120 f . when the bottom board 116 is retracted inside the bassinet 104 , the rotary flap 120 f can be turned to a position erected upward from the bottom board 116 so as to close and cover the side opening 124 . the rotary flap 120 f can be turned downward relative to the bottom board 116 to uncover the side opening 124 . if needed , the caregiver can also pull out the bottom board 116 and rotary flap 120 f , and then turn downward the rotary flap 120 f such that the bottom board 116 and the rotary flap 120 f lie substantially on a same approximately horizontal plane . fig1 is a schematic view illustrating a seventh embodiment of the bassinet 104 . the cover element 120 can be constructed as a shutter door 120 g that is pivotally connected with an outer side of the enclosure 118 . the shutter door 120 g can be provided with the grip handle 140 to facilitate its operation . two opposite side edges of the bottom board 116 can be movably assembled with guide rails 146 . the shutter door 120 g can rotate upward relative to the enclosure to uncover the side opening 124 , or rotate downward to close and cover the side opening 124 . when the side opening 124 is uncovered , the bottom board 116 can also slide along the guide rails 146 to extend outward through the side opening 124 . fig1 is a schematic view illustrating an eighth embodiment of the bassinet 104 , whereas fig1 is a schematic illustrating a configuration of use of the embodiment shown in fig1 . in this embodiment , the cover element 120 can be constructed as a collapsible door 120 h that is operable to fold and unfold similar to the embodiment shown in fig8 . the enclosure 118 can be formed from a plurality of sidewalls , such as a first sidewall 118 a , two second sidewalls 118 b , and two third sidewalls 118 c . the collapsible door 120 h can be connected with one of the third sidewalls 118 c . the first sidewall 118 a can have a lower end affixed with a rear edge portion of the bottom board 116 . the second sidewalls 118 b can have first side edges respectively connected with two opposite side edges of the first sidewall 118 a via hinges 148 , and opposite second side edges respectively connected with the third sidewalls 118 c via other hinges 148 . as shown in fig1 , the enclosure 118 can be configured to substantially surround the bottom board 116 to substantially define the inner space of the bassinet 104 . in this configuration , the side opening 124 can be defined as the gap formed between two opposing side edges of the third sidewalls 118 c . the door 120 h can slide in the direction d 1 to unfold and deploy its flexible material for closing and covering the side opening 124 , or in the direction d 2 to fold and collapse its flexible material for uncovering the side opening 124 . as shown in fig1 , the second sidewalls 118 b and third sidewalls 118 c can also be rotated about their respective hinges 148 to open the enclosure 118 such that multiple sides of the bottom board 116 can be exposed outward . at least one advantage of the structures described herein is the ability to provide a baby crib that has a side opening through which the caregiver can have access to the inner space of the bassinet . the side opening can be desirably closed or opened via a cover element . accordingly , the baby crib can also be used as a bedside baby crib that allows the caregiver to sleep with the baby in a safe manner and provide care conveniently . realizations in accordance with the present invention therefore have been described only in the context of particular embodiments . these embodiments are meant to be illustrative and not limiting . many variations , modifications , additions , and improvements are possible . accordingly , plural instances may be provided for components described herein as a single instance . structures and functionality presented as discrete components in the exemplary configurations may be implemented as a combined structure or component . these and other variations , modifications , additions , and improvements may fall within the scope of the invention as defined in the claims that follow .
a baby crib includes an upright segment having a lower end portion and an upper end portion , a base connected with the lower end portion of the upright segment , an elongated support structure extending along a horizontal plane above the base and connected with the upper end portion , and a bassinet assembled with the support structure and having an inner space adapted to receive the placement of a baby therein . the bassinet has a sidewall provided with a side opening communicating with the inner space . the support structure is operable to displace the bassinet horizontally to modify a distance between the bassinet and the upright segment .