Piano switch

Details Piano switch Piano switch

1977-06-27

1980-06-24

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

84343, 200 16F, 200339, H01H 1516

Patent

active

042096740

ABSTRACT:
Disclosed is a piano switch having a driving lever which can be operated without clattering. The driving lever is generally L-shaped and has one end engaging a recess formed in a sliding body. The lever is pivoted to an attaching arm for free rotation. A spring is stretched between a frame of the switch and the driving lever.

REFERENCES:
patent: 2821582 (1958-01-01), Kimball
patent: 3136869 (1964-06-01), Haviland
patent: 3217112 (1965-11-01), Campbell
patent: 3319016 (1967-05-01), Hoy et al.
patent: 3564172 (1971-02-01), Laasko
patent: 3668353 (1972-06-01), Raab
patent: 3922510 (1975-11-01), Arthur
patent: 3983349 (1976-09-01), Denny
patent: 4013855 (1977-03-01), Reichen et al.

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