Positioning system for molding plastic drive gear

Details Positioning system for molding plastic drive gear Positioning system for molding plastic drive gear

1985-08-20

1986-07-15

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425129R, 425123, 249 83, 249142, 249160, B29F 110, B29C 100

Patent

active

046003720

ABSTRACT:
A system for mounting a gear member having gear teeth tilted in one direction onto a core pin of a mold. The gear member is a part of a drive gear member that rotates a pick-up spindle of a used ribbon in a cassette. The gear forms a center hole having a rim that has at least three keys that are adapted to slide upon at least three keyways formed by the core pin. The keys are positioned at such angular distance that a mirror image of the metal key member and the keys would not be adapted to be received by the keyways of the core pin.

REFERENCES:
patent: 2030132 (1936-02-01), Apple
patent: 2222755 (1940-11-01), Watson
patent: 2983958 (1961-05-01), Foy
patent: 3254372 (1966-06-01), Hofbauer
patent: 3293694 (1966-12-01), Taylor
patent: 3362675 (1968-01-01), Ferdig
patent: 3496611 (1970-02-01), Ferdig
patent: 3557270 (1979-01-01), Waid
patent: 3584345 (1971-06-01), Beastrom
patent: 3933334 (1976-01-01), Edwards
patent: 4093413 (1978-06-01), Schollhorn et al.
patent: 4415513 (1983-11-01), Plachy

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