Endless belt power transmission systems or components – Positive drive pulley or guide roll – Having nonmetallic component
Patent
1990-11-30
1991-12-03
Bui, Thuy M.
Endless belt power transmission systems or components
Positive drive pulley or guide roll
Having nonmetallic component
29892, 403376, 474 94, F16H 5500
Patent
active
050696548
ABSTRACT:
A connection system is provided for mounting apertured components such as gears, pulleys, rollers and the like on shafts. In preferred form, the system of the invention provides connections that are releasable so that shaft-mounted components can be repositioned, removed, serviced and/or replaced. A component that is to be mounted on a shaft is provided with a mounting hole that has an inner diameter that loosely receives the outer diameter of a shaft onto which the component is to be mounted. A ring of elastomeric material is inserted into an annular space that is defined at a location between the inner diameter of the mounting hole and the outer diameter of the shaft; and, the elastomeric material is tightly clamped between a pair of relatively axially movable clamping members that extend into opposed end regions of the annular space. Typically, the clamped elastomeric material includes one or a combination of sleeve-like and/or O-ring-like members that are so tightly clamped toward each other as to be "hydro-elastomerically" compressed between the clamping members. In one embodiment, the elastomeric material directly engages both the inner diameter of the mounting hole and the outer diameter of the shaft. In another embodiment, a thin-walled sleeve assists in filling such space as exists between the inner diameter of the mounting hole and outer diameter of the shaft. In preferred form, the sleeve has an internal diameter that closely surrounds the outer diameter of the shaft, and has an external diameter that cooperates with the inner diameter of the mounting hole to define the annular space.
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"15 Ways to Fasten Gears to Shafts", Product Engineering, May 30, 1960 pp. 43-47.
Bui Thuy M.
Burge David A.
Jepmar Research
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