Geometrical instruments
Patent
1977-07-14
1978-10-03
Lake, Roy
Geometrical instruments
339 28, 339 65, H01R 1130
Patent
active
041180909
ABSTRACT:
This invention relates to device comprising a plurality of movable electrically conductive contacts each having at least one contact surface. The contacts are movable in guide paths in response to application of forces to the contact surfaces. Elastomeric biassing means engage the contacts and bias the contacts to oppose forces applied to the contact surfaces. The elastomeric biassing means preferably comprises a moulded element of elastomeric material bonded to the contacts and restraining the contacts from leaving the guide paths. The contact surfaces can then be provided on one side of said element and terminals for connection to electrical leads can be provided by the contacts at the opposite side of the element.
REFERENCES:
patent: 3363220 (1968-01-01), Redd et al.
patent: 3808577 (1974-04-01), Mathauser
Jones DeWalden W.
Lake Roy
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