A - Human Necessities – 47 – B
Patent
A - Human Necessities
47
B
311/15
A47B 9/00 (2006.01) A47B 5/02 (2006.01) A47B 9/12 (2006.01)
Patent
CA 1258288
Work Surface Height Adjustment Mechanism Abstract A mechanism for adjusting the height of a work sur- face (12) includes left- and right-side cable lift mech- anisms (16, 18) coupled to a central drive mechanism (20) through cables (96). Each cable lift mechanism (16, 18) includes a hanger clip (22) engaging wall panel slots (15), a mounting plate (38) removably suspended from the hanger clip (22) and a vertically movable extrusion (74) guided along the plate (38) and having pulleys (88) engaging one of the cables (96) to support the work surface (12). Antidislodgment latches (50, 60) prevent accidental dislodgment of the mounting plate (38) and clip (22). One embodiment of the central drive mechanism (20) includes a motor-driven screw (134) and a forward slide block (114) positioned within an elongated channel (110) and mounting a slidable yoke (122) secur- ing ends of the cables (96). The slide block (114) bears against a nut (146) captured within the channel (110) and threadably received on the screw (134). Axial movement of the nut (146) causes corresponding movement of the slide block (114) and yoke (122), thereby exert- ing forces through the cables (96) to selectively raise or lower the extrusion (74) and work surface (12).
480059
Borden Ladner Gervais Llp
Miller (herman) Inc.
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