Stalk switch

Details Stalk switch Stalk switch

2005-01-18

2005-01-18

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

C200S335000

Reexamination Certificate

active

06844510

ABSTRACT:
A stalk switch having an energy storage element disposed coxially about a handle to store energy when the handle is in a contact position and release energy to provide a force to drive the handle back to the neutral position from the contact position. The energy storage element may be a sleeve made of an elastomeric material. Such a sleeve may also provide for overload protection for contact closures of the switch. The stalk switch may also have at least one microswitch to align operation of a contact closure with actual motion of the handle.

REFERENCES:
patent: 3898397 (1975-08-01), Devore et al.
patent: 4406931 (1983-09-01), Dola
patent: 4470320 (1984-09-01), Kim
patent: 4604502 (1986-08-01), Thomas
patent: 5157229 (1992-10-01), Wu
patent: 5744769 (1998-04-01), Proctor et al.
patent: 5952631 (1999-09-01), Miyaki
patent: 6034336 (2000-03-01), Lee
patent: 6573465 (2003-06-01), Doepner

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