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    • 8. 发明专利
    • Improvements in and relating to Friction Clutches and similar Devices.
    • GB190412279A
    • 1905-06-29
    • GB190412279D
    • 1904-05-30
    • BAKER FRANK
    • BAKER FRANK
    • 12,279. Baker, F. May 30. Clutches; brakes. -Relates to friction clutches or brakes applicable to power plants, machines, and changespeed gears for motor cars &c. Upon discs a, b, fixed respectively upon the driving and driven shafts c, d, are mounted the clutch members, which consist of a c ir cum f e rential series of segmental brake blocks e, f, alternate circular blocks being attached to either disc, as shown in Fig. 1, by means of shoulders or lugs h passing through openings i n t h e discs and being loosely held by pins i, on which spiral springs are disposed between the blocks. The blocks may be hinged or have a dovetail connection with the discs. To bring the clutch or brake into action, the brake blocks or rings e, f are pressed into frictional contact. For this purpose, inner and outer secondary blocks k are arranged about the brake blocks e, f, and are operated by means of a spring-controlled togglelever device m, m , in which the members m are connected at one end to the blocks k, by means of pins n, and at the other end to the members m, which are coupled to the arms o of a sliding sleeve. According to the Provisional Specification, the segmental blocks may be mounted at rightangles to the shaft, and, in place of operating the clutch by toggle-levers and blocks, a steel band, enclosing the brake blocks and operated by a pin or pins passing through one of the discs to a lever arranged thereon, may be employed ; hydraulic or pneumatic devices are also described, in which annular rings of rubber hose are expanded or displaced radially by movement of the sleeve &c. upon which may be mounted a reservoir of annular or other form.