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US 5,454,760 AGranted
Precision pulley wheel
OwnerErnesto Aranibarinventor
Life of this patent
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Abstract
A method and construction of forming a pulley wheel mounted on a shaft. The pulley includes a pair of identical discs fused back to back by laser welding forming a pulley wheel with a peripheral groove and axial central opening. The pulley wheel is mounted on the shaft having a serrated or toothed exterior surface.
Claims17
A method of forming a precision pulley wheel on a shaft comprising
- forming a pair of identical discs from a flat metal sheet,
- fusing said discs back to back by laser welding to form a pulley wheel having a continuous peripheral belt receiving groove and an axial central opening, and
- securing the pulley wheel onto a shaft which has a serrated or toothed exterior surface.
The combination of a pulley wheel and a shaft having a serrated or toothed exterior surface comprising
- a pair of identical discs formed from a flat metal sheet and fused back to back by laser welding forming a pulley wheel having a continuous peripheral belt receiving groove and an axial central opening,
- said pulley wheel being securely mounted on said shaft by means of the serrated or toothed exterior surface of the shaft.
Dependencies are inferred from the claim text.