Counterbalance mechanism

Details Counterbalance mechanism Counterbalance mechanism

1991-08-19

1993-01-19

Talbott, David L.

Supports

Resilient support

Adjustable preloading of resilient means

2482801, 2482811, F16M 1300

Patent

active

051801361

ABSTRACT:
A counterbalance mechanism including a pair of interconnected parallelogram linkages provided with counterbalance springs, and an adjustment for simultaneously controlling the counterbalance effect of the springs.

REFERENCES:
patent: 2131693 (1938-09-01), Smith
patent: 3426190 (1969-02-01), Bobrick
patent: 4160536 (1979-07-01), Krogsrud
patent: 4291857 (1981-09-01), Totter et al.
patent: 4320884 (1982-03-01), Leo
patent: 4447031 (1984-05-01), Souder, Jr. et al.
patent: 4589621 (1986-05-01), Hunt et al.
patent: 4834329 (1989-05-01), Delapp
patent: 4846434 (1989-07-01), Krogsrud

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