04596912 is referenced by 14 patents and cites 4 patents.

A push-button switch for use in the keyboard of an electronic typewriter, word processor, or the like comprises a casing, a stem extending through the casing for operating a movable contact, a top cover mounted on the outer end of the stem, a cylinder of an elastomeric material disposed between the top cover and the casing and loosely mounted on the outer periphery of the stem, and a circular retaining plate protruding from the outer end of the stem. The cylinder which biases the stem upward is resiliently mounted between the retaining plate and the casing, whereby the cylinder is maintained in a fixed condition.

Title
Push-button switch
Application Number
6/703297
Publication Number
4596912
Application Date
February 20, 1985
Publication Date
June 24, 1986
Inventor
Yoichi Hattori
Iwaki
JP
Agent
Guy W Shoup
Assignee
Alps Electric
JP
IPC
H01H 13/06
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