Dual-ratchet wheel transmission apparatus

Details Dual-ratchet wheel transmission apparatus Dual-ratchet wheel transmission apparatus

2011-03-22

2011-03-22

Marcelo, Emmanuel M (Department: 3654)

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including intermeshing gears in one drive train

C474S069000, C474S086000, C474S148000

Reexamination Certificate

active

07909716

ABSTRACT:
A dual-ratchet wheel transmission apparatus includes: a drive wheel set, having a first drive wheel and a second drive wheel coaxially integrated with a drive shaft; a driven wheel set, being coaxially set with a driven shaft in which the driven shaft is connected to an output for transmission, the driven wheel set including: a first driven wheel being centrally integrated with a unidirectional ratchet wheel, in which the first driven wheel engages with the first drive wheel for transmission, a second driven wheel being centrally integrated with another unidirectional ratchet wheel, in which the second driven wheel is connected to the second drive wheel via a transmission element. By the aforementioned configuration, whether the drive wheel set rotates forward or backward, the transmission set rotates in only one direction.

REFERENCES:
patent: 4304150 (1981-12-01), Lupo et al.
patent: 4577849 (1986-03-01), Watanabe
patent: 4608885 (1986-09-01), Koivunen
patent: 4630504 (1986-12-01), Smirl
patent: 5632703 (1997-05-01), Wilkes et al.
patent: 6146296 (2000-11-01), Apostolo
patent: 7155788 (2007-01-01), Chang
patent: 2006/0000464 (2006-01-01), Marques et al.
patent: 2007/0275802 (2007-11-01), Potma
patent: 2010/0125015 (2010-05-01), Deno

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