Handling: hand and hoist-line implements – Grapple – Slideable jaws
Patent
1987-08-12
1988-08-09
Cherry, Johnny D.
Handling: hand and hoist-line implements
Grapple
Slideable jaws
901 36, 901 39, B25J 1508
Patent
active
047623578
ABSTRACT:
The present invention provides an apparatus and method of utilization of the same of a linear motion gripper usable in conjunction with a robot or like structure. The gripper is powered by a rotary actuator connected with a plate which is cammingly engaged with a slider or sliders. Movement of the actuator causes the slider to move linearly. However, loss of power of the actuator cammingly locks the slider(s) in position. Therefore, upon loss of power to the actuator, the slider(s) are locked in position.
REFERENCES:
patent: 271941 (1883-02-01), Sleeth et al.
patent: 435475 (1890-09-01), Abrams
patent: 1442107 (1923-01-01), Vernaz
patent: 2690915 (1954-10-01), Pealer
patent: 4469362 (1984-09-01), Schaarschmidt
patent: 4529237 (1985-07-01), Gupta et al.
Cherry Johnny D.
General Motors Corporation
Helms Ernest E.
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