GB268545A - Improvements in or relating to clutches - Google Patents

Abstract

268,545. Stewart & Co., Ltd., D., and Holmes, T. E. March 25, 1926. Clutches, claw; flexible or yielding clutch members.-To facilitate the engagement of clutch claws 5, 6, the driving- member 1 carries an axiallyextending pin or pins 12, adapted to make prior engagement with holes 11 in a concentric intermediate member 10 axially located on the driven member 7, to which it imparts initial rotary movement through an elastic connection. The part 1 may be rotatable between collars 3, 4 on the shaft 2. to which the part 7, actuated by a rod 8, is splined. Arms 23, 23<1>, 24, 24<1>, rigid with spindles 25, 26 borne by the member 7, are connected at 29, 30 by adjustable turnbuckles 27, 28 to pins 31, 32 on the member 10, and by links 21, 22 to shouldered bolts 15, 16. These bolts are pressed by springs 13, 14, which have adjustable initial compression and bear on abutments 17, 18 on the driven member 7. This arrangement may be inverted, the abutments &c. being on the intermediate member 10. The adjustments are such that, by the time the claws 5, 6 engage, the driven member will have been elastically accelerated to approximately the speed of the driving-member, Disengaging tendency of the claws 5, 6 under spring reaction is prevented by stepped faces 33, 34. The Provisional Specification describes a form in which the lever pivots are carried by the part rigidly connected to the levers by adjusting- means, which may comprise an eccentric.