Counterbalance mechanism

Details Counterbalance mechanism Counterbalance mechanism

1994-06-17

1996-03-26

Braun, Leslie A.

Supports

Brackets

Adjustable

24829211, 248919, 248920, 248923, E04G 300

Patent

active

055014208

ABSTRACT:
A counterbalance mechanism for vertically positioning a load includes auxiliary linkage means associated with an upper end of the mechanism for carrying a load and automatically varying the vertical angular orientation of the load incident to vertical movement of the load.

REFERENCES:
patent: 3215386 (1965-11-01), Swenson
patent: 4383486 (1983-05-01), Reineman et al.
patent: 4703700 (1987-11-01), Sema
patent: 4729533 (1988-03-01), Hillary et al.
patent: 4834329 (1989-05-01), Delapp
patent: 5180136 (1993-01-01), Sova

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