Transmission device capable of changing speed with stored...

Details Transmission device capable of changing speed with stored... Transmission device capable of changing speed with stored...

2007-07-17

2007-07-17

Rodriguez, Saul (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C358S415000

Reexamination Certificate

active

11032143

ABSTRACT:
A transmission device capable of changing speed with stored energy drives a carriage to move back and forth. The transmission device includes a variable speed transmission mechanism mounted on a base and driven by a motor. A first energy storage mechanism mounted on the variable speed transmission mechanism cooperates with a first latch mechanism mounted on the base so as to store and release the energy of the driven carriage, switch the output of the variable speed transmission mechanism, and thus switch the moving speed of the carriage.

REFERENCES:
patent: 2587145 (1952-02-01), Grib
patent: 6189395 (2001-02-01), Lee
patent: 6244124 (2001-06-01), Lee
patent: 6366343 (2002-04-01), Lee
patent: 6626057 (2003-09-01), Fang
patent: 2003/0081271 (2003-05-01), Chien
patent: 541828 (1990-12-01), None

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