Stylus shielding and unshielding apparatus for a phonograph

Details Stylus shielding and unshielding apparatus for a phonograph Stylus shielding and unshielding apparatus for a phonograph

1983-01-05

1984-11-27

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having stationary storage medium

369 63, G11B 340

Patent

active

044854668

ABSTRACT:
The upwardly-extending reproducing stylus (100) is shielded within opening (24) in phonograph (16) when recorded-message carrier (12) is not in playing position by a cover member (246). A cam (256) unshields stylus (100) and exposes it in an arcuate slot (244) when a pin (274) on recorded-message carrier (12) exerts a downward force on cam (256) during the coupling of carrier (12) to opening (24) by engaging annular groove (290) with detents (44, 46, 48).

REFERENCES:
patent: 3224782 (1965-12-01), Isemura
patent: 3720011 (1973-03-01), May
patent: 4123065 (1978-10-01), Watanabe
patent: 4286789 (1981-09-01), Watanabe
patent: 4332023 (1982-05-01), Okamura et al.
Page 88 of the 1975 catalog of the Kenner Toys division of General Mills, Inc.

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