Hammer drill adapter

Details Hammer drill adapter Hammer drill adapter

1981-05-28

1984-12-25

Staab, Lawrence J.

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

74 22A, E02D 702, F16H 3716

Patent

active

044897928

ABSTRACT:
An adapter device for securement to an output rotary drive of a drill. The adapter comprises a housing having an input connector securable to the rotary drive, and an output connector. A fixed mode cam is immovably secured with respect to the housing. A displaceable floating cam is provided intermediate the input connector and a displaceable keying element. The floating cam is displaceable in and out of engagement with the input keying element. An adjusting assembly is provided to displace the keying element in and out of engagement with the fixed mode cam and the floating cam whereby the input connector can impart a rotary drive, rotary drive and impact forces or impact forces only to the output connector.

REFERENCES:
patent: 2223727 (1940-12-01), Homen
patent: 3161241 (1964-12-01), Allen et al.
patent: 3430707 (1969-03-01), Rees
patent: 3789933 (1974-02-01), Jarecki
patent: 3809168 (1974-05-01), Fromm
patent: 4229981 (1980-10-01), Macry
patent: 4274304 (1981-06-01), Curtiss

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