Power work arm with dual action shock absorber

Details Power work arm with dual action shock absorber Power work arm with dual action shock absorber

1997-07-09

1999-03-02

Marmor, Charles A.

Machine element or mechanism

Mechanical movements

Reciprocating to or from oscillating

74106, 74526, 901 15, 901 27, 414719, B25J 1800, F16H 2116

Patent

active

058756787

ABSTRACT:
A device with a pivoting work arm for carrying and positioning a tool which is moved by a modified Watts linkage powered by a linear actuator is provided with shock absorption adjacent both the fully extended and fully retracted work arm positions. The modified Watts linkage engages a pawl which rotates a lever arm in the same direction to actuate the same shock absorber(s) when the work arm is moved to both its fully extended and fully retracted positions.

REFERENCES:
patent: 3395813 (1968-08-01), Bruce et al.
patent: 4497461 (1985-02-01), Campbell
patent: 4547110 (1985-10-01), Davidson
patent: 5216930 (1993-06-01), McNamara
patent: 5772385 (1998-06-01), Huntoon et al.

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