Apparatus for attaching power tool housing extensions

Details Apparatus for attaching power tool housing extensions Apparatus for attaching power tool housing extensions

1989-10-11

1991-10-01

Phan, Hien H.

Tool driving or impacting

Convertible

173164, 173171, 74417, 81 5713, 279 46R, 279 48, 403370, B25F 102

Patent

active

050524968

ABSTRACT:
An apparatus for rapid interchange of drive head units on a power tool motor unit is provided by forming a flared lip on the first of the two housings to be connected; capturing a coupling nut behind the flare with a split clamp ring; forming a bore on the second housing into which the flared lip and clamp ring of the first housing will fit; forming a positioning stop, within the bore, against which the flared lip of the first housing will be clamped; and providing a coupling device on the second housing to which the coupling nut of the first housing will be coupled to join the two housings.

REFERENCES:
patent: 2589822 (1952-03-01), Kosta
patent: 2795985 (1957-06-01), Wilson
patent: 3817115 (1974-06-01), Schnizler et al.
patent: 3901098 (1975-08-01), Jinkins
patent: 4422653 (1983-12-01), Piotrowski

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