Pulley for driving a high performance printer

Details Pulley for driving a high performance printer Pulley for driving a high performance printer

1987-01-12

1990-08-07

Burr, Edgar S.

Printing

Selective or progressive

Bed and platen machines

101111, 400146, B41J 120

Patent

active

049458280

ABSTRACT:
A pulley for connecting a driven device, that is sensitive to speed variations, to be driven by an a.c. motor that is susceptible to speed variations, caused by power line disturbances. The pulley has a peripheral drive surface for a belt drive and two side surfaces through which an opening is formed to receive a drive shaft that is turned by the a.c. motor. One of the sides of the pulley has a slot formed therein with surfaces on each side of the slot. A resilient material of a preselected Durometer value is positioned within the slot and contiguous with at least one of the surfaces in the slot, against which an element projecting from the drive shaft acts to turn the pulley. During a momentary slowdown in the motor speed, the projecting element moves away from the resilient material and permits the momentum of the driven device to maintain its speed while the motor recovers its speed.

REFERENCES:
patent: 3384216 (1968-05-01), Thayer
patent: 3819966 (1974-06-01), Noguchi
patent: 4161373 (1979-07-01), Chvatlinsky
patent: 4324498 (1982-04-01), Steinhardt
patent: 4803855 (1989-02-01), Kennedy

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