Geometrical instruments
Patent
1975-01-29
1976-02-10
Lake, Roy
Geometrical instruments
339101, 339181C, 339 8P, H01R 3900
Patent
active
039375439
ABSTRACT:
An assembly including a support plate carrying a contact member on each face. A power cord terminal has an electrically-conductive pin projecting through aligned holes in the support plate and contact members, and an electrically-conductive ring surrounding the pin and insulated from it. A spring cooperates with the pin to press the ring against one of the contact members and electrically connect the pin to the other contact member.
REFERENCES:
patent: 1407937 (1922-02-01), Fitzgerald
patent: 1765330 (1930-06-01), Goldrick
Continental Hair Products, Inc.
Jones DeWalden W.
Lake Roy
Levine Alan H.
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