| 摘要 |
<p>1,149,789. Slack adjuster. BENDIXWESTINGHOUSE AUTOMOTIVE AIR BRAKE CO. 2 Dec., 1966 [13 Dec., 1965], No. 54129/66. Addition to 1,146,965. Heading F2E. An automatic vehicle brake slack adjuster including a body 10 with an upstanding arm 12 connectible to a brake actuator, a worm-wheel 14 receiving a brake cam-shaft 11, the angular position of the worm-wheel in the body being automatically adjustable to take up slack by rotation of a secondary worm 24 driving a secondary worm-wheel 20 engageable with a primary worm shaft 18, 16 gearing with the worm-wheel 14, is characterized by the connection between the secondary worm-wheel 20 and the primary worm shaft 18 being releasable to allow the primary shaft to be rotated manually to effect initial adjustment of the brake rigging. The releasable connection is provided by a plunger 52 having splined connections 58, 60 with the worm shaft and splined connections 48, 46 with the worm-wheel 20, the splines 48, 46 being separable by moving the plunger 52 rightwards against spring 64 to allow the primary shaft to be manually rotated by a spanner engaging the end 54 of the plunger. The automatic operation of the adjuster is disclosed in Specification 1,146,965.</p> |
