초록 ▼

An animal cage rack incorporating a shelf leveling device includes a support frame in which a plurality of shelves are adjustably mounted. The corners of the shelves rest on height adjustment devices which may be rotated to adjust the height of each of corners, after which the shelves may be locked

An animal cage rack incorporating a shelf leveling device includes a support frame in which a plurality of shelves are adjustably mounted. The corners of the shelves rest on height adjustment devices which may be rotated to adjust the height of each of corners, after which the shelves may be locked to the support frame. In one embodiment of the invention, the adjustment device is an adjusting screw. Additional embodiments of the invention include cam-operated height adjustment devices which either adjust the height of individual corners of shelves or alternatively adjust the heights of corresponding corners of several shelves.

대표청구항 ▼

An animal cage rack for mounting a plurality of animal cages in horizontal rows, comprising a support frame having a plurality of spaced, vertically-disposed support members, a plurality of vertically-spaced shelves adapted to be mounted on said support, frame with a corner of each shelf supported b

An animal cage rack for mounting a plurality of animal cages in horizontal rows, comprising a support frame having a plurality of spaced, vertically-disposed support members, a plurality of vertically-spaced shelves adapted to be mounted on said support, frame with a corner of each shelf supported by one of said support members, and shelf adjusting means mounted on each of said support members and connecting, one corner of at least one of said shelves to the adjacent support, member on which it is mounted, each of said shelf adjusting means including a movable member engaging and supporting one corner of at least one of said shelves, said member being manually and selectively movable in a vertical direction relative to the adjacent support member, whereby to vary the height of said one corner relative to the other corners of said shelf, without removing said shelf from said support frame, said shelf adjusting means also including locking means for retaining each corner of said shelves immovably on said support members after said shelves have been adjusted.