Transmission mechanism for a scanner

Details Transmission mechanism for a scanner Transmission mechanism for a scanner

1997-11-13

2000-10-24

Jeffery, John A.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

358293, 400320, 474 73, F16H 2702, F16H 700, B41J 25304

Patent

active

06134978&

ABSTRACT:
A transmission mechanism which includes a pair of gears bilaterally disposed at one end of a scanning path defined inside a scanner, a first pair of fixed pulleys respectively and fixedly mounted on the gears, a second pair of fixed pulleys bilaterally disposed at an opposite end of the scanning path, a pair of movable pulleys synchronously moved along the scanning path, and a flexible transmission member mounted on the fixed pulleys and the movable pulleys subject to a designed order for power transmission for permitting the movable pulleys to be moved synchronously along the scanning path. By means of changing the revolving direction of the gears and the tangential velocity of the first fixed pulley and second fixed pulley, a different speed ratio is obtained.

REFERENCES:
patent: 2705427 (1955-07-01), Schipper
patent: 3273408 (1966-09-01), Nagel et al.
patent: 4116568 (1978-09-01), Suzuki et al.
patent: 4403877 (1983-09-01), Jones et al.
patent: 4429333 (1984-01-01), Davis
patent: 4804285 (1989-02-01), Bradford
patent: 5830094 (1998-11-01), DeNijs

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