Switch and handle construction for double-insulated electric too

Details Switch and handle construction for double-insulated electric too Switch and handle construction for double-insulated electric too

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

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