Tool driving or impacting – Drive adjustable to completely change kind of drive – Adjustable to impacting device
Patent
1982-11-12
1985-03-26
Yost, Frank T.
Tool driving or impacting
Drive adjustable to completely change kind of drive
Adjustable to impacting device
74531, 173109, 173117, 173123, B25D 1100
Patent
active
045067430
ABSTRACT:
A power tool has a changeover mechanism for varying at least one operational mode of the power tool. A rotatable control member having a lateral periphery is connected to the changeover mechanism. A detachable cover plate, forming part of the housing of the power tool, has an aperture therein through which the control member protrudes, and the lateral periphery of the control member is covered by the cover plate. A latching arrangement comprises a first latch component formed in said lateral periphery, and a second latch component located on the underside of the cover plate, the first and second latch components cooperating to retain the control member in a selected position, and one of these latch components is resilient. Preferably the second latch component is resilient and may be formed integrally with the cover plate. The cover plate may have two apertures for two control members with a common resilient latch member on the cover plate for both control members. The cover plate, which retains the or each control member in the power tool, facilitates assembly of and access to the latching arrangement.
REFERENCES:
patent: 3123156 (1964-03-01), Gapstur
patent: 3707861 (1973-01-01), Lindner
patent: 3774699 (1973-11-01), Schmuck
patent: 3777825 (1973-12-01), Gullich
patent: 3834468 (1974-09-01), Hettich et al.
patent: 3931744 (1976-01-01), Wunsch
patent: 4038508 (1977-07-01), Mapelsden
patent: 4236588 (1980-12-01), Moldan et al.
patent: 4259856 (1981-04-01), Wingert
Black & Decker Inc.
Murphy Edward D.
Phan Hien H.
Sherer Ronald B.
Weinstein Harold
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