Tool driving or impacting – Drive control operable by hand engaging manipulating handle
Patent
1981-11-02
1984-04-03
Yost, Frank T.
Tool driving or impacting
Drive control operable by hand engaging manipulating handle
173171, B23B 4508
Patent
active
044402384
ABSTRACT:
A double-insulated portable electric tool has a housing with a pistol-grip switch handle portion and a switch cover portion removably secured to the switch handle portion forwardly thereof. An electric switch is mounted on the back of the cover and is provided with an actuating member. A trigger is mounted on the front of the cover and is coupled to the switch actuating member. The switch is accessible only upon removal of the switch cover from the switch handle; and even unauthorized removal of the trigger will not render the switch accessible. As a result, the switch may be replaced easily without an inadvertent interference with the double-insulating feature of the tool.
REFERENCES:
patent: 2450380 (1948-09-01), Perham
patent: 3352323 (1967-11-01), Wickham
patent: 3352368 (1967-11-01), Maffey, Jr.
patent: 3381104 (1968-04-01), Abell et al.
patent: 3432703 (1969-03-01), Sheps et al.
patent: 4045650 (1977-08-01), Nestor
Lentino Lynn E.
Sauerwein William D.
Black & Decker Inc.
Phan Hien H.
Sherer R.
Weinstein H.
Yocum Charles E.
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