... cas-sette audio-visual tape recorders.The models included record-playbackand playback-only portables and decks.Fixed parameters. The Philips cas-sette concept has several fixed parame-ters—the ... the other. Thenthe wedge-type, two-way, over-runningclutch (second figure) disengages, free-ing the wheel to spin without drag.Variations. Each clutch has three posi-tions: forward drive, ... transmission for gasoline-powered railroad section cars. The connecting rod from the crank,mounted on a constant-speed shaft, rocks the oscillating lever andactuates the over-running clutch. This...