1976-12-06
1977-10-25
Aegerter, Richard E.
Undertaking
274 1A, G11B 1706, A63H 333
Patent
active
040553515
ABSTRACT:
An improved resettable toy phonograph in which a phonograph record is mountable on a rotating turntable with sound being picked up from the record by a pivoted pickup arm. The pickup arm contains an upstanding protrusion which is received in an aperture in the lift arm at the end of the play of the record to enable the resiliently biased lift arm to be lowered toward the record a sufficient amount to enable the lift arm protrusion to engage the protrusion on the floating cam. The floating cam is biased into nesting engagement with a congruent cam fixedly mounted on the turntable for rotation therewith with both cams comprising a pair of spaced apart sloped peripherally engageable cam surfaces for enabling an equal distributed direct upward lift for the speaker cone assembly when the cams are driven out of nesting engagement. The stopping of the floating cam during rotation of the turntable causes the floating cam peripheral cam surfaces to ride up the corresponding sloped surfaces of the other cam thereby driving it out of nesting engagement therewith for raising the floating cam a sufficient amount to contact the speaker cone assembly and lift it out of biasing engagement with the pickup arm, the lift arm aperture being lifted above the protrusion on the pickup arm whereby the pickup arm, which is normally spring biased toward the periphery of the record, automatically returns to the periphery of the record and returns the lift arm to supporting contact with the protrusion on the pickup arm.
REFERENCES:
patent: 3411790 (1968-11-01), Suchowski
patent: 3479037 (1969-11-01), Tomiyama
patent: 3984111 (1976-10-01), Hughes
Aegerter Richard E.
Shepperd John W.
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