Counterbalance mechanism

Details Counterbalance mechanism Counterbalance mechanism

1991-06-04

1993-01-26

Gibson, Jr., Robert W.

Supports: racks

Special article

Stacked articles

108136, 312 71, A47F 500

Patent

active

051816202

ABSTRACT:
A mechanism for use in counterbalancing a shelf or the like incident to vertical movement thereof along a trackway featuring a linkage assembly and coupling assemblies for effecting a relatively large displacement of the shelf incident to a relatively small displacement of a shelf counterbalance spring. The shelf is mounted on the trackway by followers carrying a manual brake releasably engageable with the trackway.

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