F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
64/7
F16D 3/50 (2006.01)
Patent
CA 1040878
A B S T R A C T For drivingly connecting the external cylindrical surface of an inner machine element to the internal cylindrical surface of an outer machine element, such as a shaft to a pulley, forward and rearward clamping rings are spaced axially apart from one another and have cir- cumferentially spaced aligned bolt holes disposed parallel to the axis of their internal and external cylindrical surfaces. One ring has smooth bolt holes and the other ring has threaded bolt holes, these holes re- ceiving threaded clamping bolts. Mounted in the space between the two clamping rings are pairs of alternately oppositely facing resilient coup- ling rings of substantially Z-shaped cross-section having bolt holes aligned with the clamping ring bolt holes. Each coupling ring consists of radially-spaced inner and outer annular rims connected at acute angles to the opposite ends of an annular web inclined at an oblique angle to the axis of the cylindrical outer and inner surfaces of these coupling rings. tightening the clamping bolts urges the clamping rings toward one another, thereby compressing the coupling rings so that their obliquely inclined webs are deformed into more nearly radial positions to the axis of the clamping rings, consequently forcing the inner and outer annular rims to simultaneously expand and contract in opposite directions into frictional coupling engagement with the external and internal sur- faces respectively of the inner and outer machine elements.
262015
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