Stopping device with a switch

Details Stopping device with a switch Stopping device with a switch

1998-08-20

1999-08-17

Friedhofer, Michael

Electricity: circuit makers and breakers

Special application

Stationary feeler detects transient object

2003021, H01H 316

Patent

active

059396857

ABSTRACT:
A stopping device with a switch is used for stopping an object to be detected, such as a table on which a work or material to be measured is mounted. The stopping device is basically formed of a housing; a first leaf spring disposed in the housing and fixed thereto at an outer portion; an actuating shaft with a stopping surface fixed to an inner portion of the first leaf spring to be movable inside the housing; a movable contact attached to the actuating shaft at a side opposite to the stopping surface; a second leaf spring disposed in the housing to face the first leaf spring and fixed to the housing at an outer portion thereof; and a fixed contact fixed to an inner portion of the second leaf spring and facing the movable contact with a space therebetween. When the object abuts against the stopping surface, the actuating shaft is displaced to allow the movable contact to contact the fixed contact, and after the object is further displaced in a contact condition of the movable and fixed contacts, the object is stopped by the stop reference surface. The stopping device can be extremely shortened in its length.

REFERENCES:
patent: 2822436 (1958-02-01), Towle
patent: 4496807 (1985-01-01), Sakata
patent: 4788517 (1988-11-01), Meister
patent: 4910366 (1990-03-01), Matsumoto et al.
patent: 5412168 (1995-05-01), McKelvey et al.

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