Pulley construction

Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements

Patent

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Details

29159R, F16H 5544, F16H 5549

Patent

active

040020819

ABSTRACT:
A pulley is disclosed which comprises a hub, a firmly resilient collar affixed to the hub, and first and second annular sheet metal members surrounding the collar. The first annular sheet metal member has an outwardly flared margin and bushing portion which engages the collar outer surface with an axially extending press fit. The second annular sheet metal member has an outwardly flared margin adapted to oppose the first sheet metal member margin so as to form a groove for accommodating a belt. A bi-ended sleeve extends from this second member margin and is adapted to engage the first member bushing with an extended, nesting fit. A groove section is formed at the free sleeve end for accommodating a second belt. A radially inwardly extending free bushing end is adapted to engage a groove in the collar to further assist in securing the first sheet metal member to the collar. Additional collar-first member interengagement is provided by a number of lugs which extend radially inwardly from the first member bushing. Tabs extend radially outwardly from the first member bushing for engaging recesses in the second member sleeve to pin the first member to the second member in a rigid pulley unit.

REFERENCES:
patent: 2196923 (1940-04-01), Johanson
patent: 2741134 (1956-04-01), Bagley
patent: 3599503 (1971-08-01), Schultz, Jr.
patent: 3722310 (1973-03-01), Schultz, Jr.

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