Coin release mechanism of pay phone

Details Coin release mechanism of pay phone Coin release mechanism of pay phone

1996-09-17

1998-04-07

Kuntz, Curtis

Telephonic communications

With check operated control

Coin signalling or control

379153, 194345, H04M 1700

Patent

active

057374023

ABSTRACT:
A pay phone coin release mechanism includes a base plate fixed inside the pay phone casing and having a pivot pin extending therefrom to rotatably supported thereon a driven link having two opposite arms of which one has a pin formed thereon and the other one rotatably supports thereon a coin release roller adapted to cooperate with a conventional coin receiving mechanism. The base plate also has a hole through which a shaft rotatably extends to drivingly engage a driving link. The driving link has an elongated slot into which the pin of the driven link extends and drivingly engages. The shaft of the driving link extends outside the pay phone casing and connected to a user-actuateable lever so that by actuating the lever, the driving link is rotated to drive, through the connection between the elongated slot and the pin, the driven link to rotate about the pivot. A biasing spring is provided between the driving link and the base plate to bias the driving toward a un-actuated position defined by contact engagement between an extension of the driving link and a stop provided on the base plate.

REFERENCES:
patent: 4809319 (1989-02-01), McGough
patent: 4815123 (1989-03-01), McGough
patent: 5299673 (1994-04-01), Wu

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