Cold-forming of toothed wheels from sheet steel

Details Cold-forming of toothed wheels from sheet steel Cold-forming of toothed wheels from sheet steel

1992-08-07

1993-04-20

Herrmann, Allan D.

Machine element or mechanism

Gearing

Rotary bodies

74460, F16H 5512

Patent

active

052032230

ABSTRACT:
A cold-formed gear made from a single circular sheet of sheet metal. The gear is formed to have a central wall and a series of gear teeth surrounding the central wall. The teeth are formed in a outer annular section of the steel sheet by rolling contact with a cold-forming gear member. Extending from the outer annular section is a radial surface that supports the gear on a preform unit and then can be formed into a pulse ring for the gear.

REFERENCES:
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patent: 2729110 (1956-01-01), Killian et al.
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patent: 3745851 (1973-07-01), Zeldman et al.
patent: 3894418 (1975-07-01), Horl
patent: 4464949 (1984-08-01), Concina
patent: 4796345 (1989-01-01), Krapfenbauer
patent: 4945783 (1990-08-01), Grob

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