Title: Snap action switches

Abstract: A snap action switch blade has a pair of resiliently flexible arms projecting cantilever fashion from a support and drawn together to prestress the blade for snap action, the blade being anchored to the support by two lugs projecting in the opposite direction to the arms and an electrical contact being mounted off-axis near one of the arms of the blade.

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Inventors: Purssell, Robert F. (Plymouth, GB)

Application Number: 818381
Filing Date: 1977-07-25
Publication_date: 1979-03-20
Assignee: Ranco Incorporated (Columbus, OH)
Primary Class(es): 200/407 29/446, 29/450, 29/622
Other Classes:
US Patent Ref:

2584460	Feb, 1952	Jacob, Sr.	200/67.
3057982	Oct, 1962	Grover et al.	200/67.
3196233	Jul, 1965	Burch et al.	200/67.
3449534	Jun, 1969	Bauer	200/67.

Other Refs: 560583

Apr, 1944	GB

Primary Examiner: Ross, Herbert F.
Assistant Examiner:
Attorney: Watts, Hoffmann, Fisher & Heinke Co.