Importance

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Abstract

In a mode-change mechanism for a tape recorder, a driving bar is mounted for movement between a record/playback mode position and a stop mode position, a partially toothless gear has a cam thereon engageable by a cam follower on the driving bar for moving the latter between its mode selecting positions in response to turning of the partially toothless gear between immobile positions thereof in which opposed first and second toothless portions on the outer periphery respectively face a driving gear for intermittently rotating the partially toothless gear, a lock lever is selectively engageable with one of a pair of stop elements on the partially toothless gear for halting rotation of the latter in a respective one of the immobile positions thereof, and a spring urges the driving bar toward one of its mode selecting positions, with the cam, toothless portions and stop elements on the partially toothless gear being angularly positioned in respect to each other so that, when the lock lever is disengaged from one of the stop elements, the force of the spring on the driving bar is effective, through the action of the cam follower on the cam, to initiate turning of the partially toothless gear from its prior immobile position for meshing engagement with the driving gear.

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First Claim