H - Electricity – 01 – H
Patent
H - Electricity
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H01H 13/72 (2006.01) H01H 9/26 (2006.01) A01N 25/22 (2006.01) A01N 31/14 (2006.01) A01N 33/18 (2006.01) A01N 37/26 (2006.01)
Patent
CA 1307814
ABSTRACT OF THE DISCLOSURE An interlocking device for a push-button switch which is small and of simple mechanical construction and yet effects an accurate interlocking operation. The device com- prises a pair of push-buttons which can be slidably depressed in a pair of push-button holes in a housing, an interlocking hole connecting the push-button holes in which three balls or rollers are disposed, a fulcrum supporter and an interlocking lever. When one of the push-buttons is pushed down in its hole, a central ball of the three balls is pushed up and pushes up the fulcrum supporter, and the push-button is locked by the lever.
537526
Nakai Kiyoshi
Umemura Heihachiro
Marks & Clerk
Shinkoh Electric Co. Ltd.
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