Counterbalance mechanism for laser knife device

Details Counterbalance mechanism for laser knife device Counterbalance mechanism for laser knife device

1980-07-14

1982-12-21

Foss, J. Franklin

Supports

Stand and bracket

Having adjustable bracket

2482801, 350522, 350543, 350567, F16L 300, A47G 2900

Patent

active

043645356

ABSTRACT:
A counterbalance mechanism for a laser knife device which includes a manipulator in which the overall height of the balance mechanism is quite short and all rotational moments of the manipulator are cancelled for all operative positions thereof. A base support arm is rotatably mounted around a short first hollow arm with a second hollow arm extending through upright portions of the base support arm joined at its two ends through articulations to the upper end of the first hollow arm and a third hollow arm. A parallelogram link mechanism is formed including the upright members of the base support arm, first and second substantially parallel support arms and a third substantially vertical support arm upon which a counterbalance weight is mounted. One end of the first support arm is pivotably mounted between the upright members of the base support arm while the corresponding end of the second support arm is pivotably mounted around the second hollow arm between the upright members.

REFERENCES:
patent: 2224901 (1940-12-01), Cunningham
patent: 3762796 (1973-10-01), Heller
patent: 3891301 (1975-06-01), Heller
patent: 3913582 (1975-10-01), Sharon
patent: 4241891 (1980-12-01), Rudolph
patent: 4243025 (1981-01-01), Jones

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