Mechanical arm

Details Mechanical arm Mechanical arm

2006-10-31

2006-10-31

Underwood, Donald (Department: 3652)

Amusement devices: toys

Material or article handling device

Having load supporting swingable arm

C414S680000, C414S915000, C446S427000

Reexamination Certificate

active

07128633

ABSTRACT:
A mechanical arm generally intended for use as a toy or game element comprises a base rotatably supporting a turret. A first link connected to the turret by a shoulder joint, a second link connected to the first link by an elbow joint, and an end effector connected to the distal end of the second link. A first lever with a handgrip drives the first link, a second lever with a handgrip drives the second link using a drive cable and pulleys mounted in the interior of the first link. The end effector is controlled by a lever attached near the second handgrip. A control cable is threaded through the hollow interior of the mechanical arm to operate the end effector.

REFERENCES:
patent: 2822641 (1958-02-01), Lamb
patent: 2985983 (1961-05-01), Konstenius
patent: 3587872 (1971-06-01), Pauly
patent: 4863164 (1989-09-01), Mizunuma

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