| 摘要 |
<p>RCA 68,900 LID INTERLOCK AND TURNTABLE BREAK SYSTEM A lid is hinged to the base of a disc record player for movement between a closed position and an open position. A lid latch member is mounted in the base for securely holding the lid in the closed position, and releasing the lid in response to manipulation of a lid release lever. A cam is mounted in the base for movement between a first condition decoupling, and a second condition intercoupling, the release lever and the latch member. A linkage is provided between the cam and a signal pickup housing of the player for moving the cam into the first condition when the housing is in a playback mode whereat manipulation of the release lever is ineffective to release the lid, and into the second condition when the housing is in a standby mode whereat the latch member responsive to manipulation of the lever releases the lid, if the lid were closed. In accordance with a further feature of the invention, a turntable brake mechanism is provided for braking the turntable when the lid is opened while the turntable is rotating.</p> |
