Hand tool

Details Hand tool Hand tool

1995-11-22

1998-03-10

Walczak, David J.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

2003021, H01H 1906

Patent

active

057250863

ABSTRACT:
A key pad (6) is provided for the on/off switch for a powered hand tool (2) in which the on/off switch is of the rocker type in which the switch mechanism is actuated by a rocker member (16) comprising two rocker components (18,20) pivoted about a pivot point (22) and is switched by applying pressure selectively to one of the two rocker components (18,20). The key pad (6) forms a sealed cover for the rocker switch (16) and is moulded from a resilient material, and comprises a pair of actuator pads (8,10), each of which actuator pads (8,10) is associated with a corresponding rocker component (18,20) of the rocker switch (16) and is moulded as a relatively thick pad section (8,10) linked to the key pad wall (12) by a relatively thin deformable circumferential linking section (14) and can be selectively switched between a first stable position and a second stable position in which the actuator pad (8,10) is depressed relative to the first stable position.

REFERENCES:
patent: 3654415 (1972-04-01), Hawkins et al.
patent: 4520247 (1985-05-01), Pancook et al.
patent: 5448028 (1995-09-01), Filion et al.

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