Extensible handle for a tool headpiece

Details Extensible handle for a tool headpiece Extensible handle for a tool headpiece

1977-03-01

1978-01-31

Jones, James L.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

16115, B25G 104

Patent

active

040709329

ABSTRACT:
An extensible handle for applying increased torque to a tool headpiece, such as a ratchet wrench. The handle includes a sleeve which carries the tool headpiece. A rod is telescopically received within the sleeve and is resiliently biased towards an extended position. A latch is provided for locking the rod in at least a first retracted position of lesser torque and a second extended position in which greater torque may be applied to the tool headpiece.

REFERENCES:
patent: 400944 (1889-04-01), Powell
patent: 1030592 (1912-06-01), Leland
patent: 1203853 (1916-11-01), Contal
patent: 1284351 (1918-11-01), Jagielo
patent: 1424794 (1922-08-01), Ayotte
patent: 1575593 (1926-03-01), Seiter
patent: 2282148 (1942-05-01), Mandl
patent: 2438633 (1948-03-01), Condor
patent: 2483396 (1949-10-01), Benson
patent: 2520652 (1950-08-01), Pfauser
patent: 2592978 (1952-04-01), Trimboli
patent: 2869410 (1959-01-01), Prichard
patent: 2963930 (1960-12-01), Clothier
patent: 2964981 (1960-12-01), Blunt

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