F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 7/20 (2006.01) F16D 41/066 (2006.01) F16H 29/12 (2006.01) F16H 55/36 (2006.01)
Patent
CA 2311075
The present invention is a pulley having a high speed clutch mechanism located in the hub of the circular pulley which mechanically couples a drive belt to an accessory spindle. The circular pulley has a central hub opening and a peripheral edge configured to engage the drive belt. The hub opening has a central axis, an internal diameter, and an inside surface. An annular member is coaxially and rigidly mounted to the inside surface of the pulley hub opening, the annular member having a central opening with an inside diameter, a central axis and an inside surface. Coaxially mounted within the central opening of the annular member is a cylindrical member having a first and second opposite end portions and a central portion between the end portions. The central portion of the cylindrical member has an outside surface, an outside diameter and a plurality of grooves equally spaced along the circumference of the outside surface. Each groove is defined by a first sloping wall and a second sloping wall, the sloping walls being configured to retain a roller bearing between them. The outside diameter of the central portion of the cylindrical member is slightly less than the inside diameter of the annular member. The cylindrical member is mechanically coupled to the accessory spindle. A first bearing is mounted to the first end portion of the cylindrical member and a second bearing is mounted to the second end portion of the cylindrical member. Both of the bearings are dimensioned and configured to position the cylindrical member at the center of the pulley hub with the annular member being positioned between the bearings. Furthermore, the bearings are also dimensioned so that the cylindrical member does not touch the annular member. Finally, the first and second sloping walls and the roller bearings are all dimensioned and configured to permit the cylindrical member to rotate freely in a first direction relative to the annular member, while preventing the annular member from rotating in the first direction relative to the cylindrical member.
Babetin Pavel
Kozlowski & Company
LandOfFree
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