Device for positively telescopically extending and retracting

Details Device for positively telescopically extending and retracting Device for positively telescopically extending and retracting

1992-08-03

1994-06-21

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hand bars and hand barrows

Ball retriever

151444, 16115, B25J 102

Patent

active

053223349

ABSTRACT:
An extendible-retractable device, which is made up of a number of interconnected members and to which a suitable tool may be attached. The device makes it possible to continually change the position of the tool as a task is being performed. The device includes members which are attached to each other through flexible cables so that relatively small movements of a handle or similar device in the hand of the user results is relatively large extension or retraction movements of the farthest member which carries the tool.

REFERENCES:
patent: 336414 (1886-02-01), Kerr
patent: 892980 (1908-07-01), Cooper
patent: 926642 (1909-06-01), Concoff et al.
patent: 1611326 (1926-12-01), Abbe
patent: 3836011 (1974-09-01), Sakamoto et al.
patent: 4169338 (1979-10-01), Eik

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