Coaxial-type differential transmission apparatus

Details Coaxial-type differential transmission apparatus Coaxial-type differential transmission apparatus

2006-11-07

2006-11-07

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Gear shiftable axially to disconnect or vary ratio

Reexamination Certificate

active

07131927

ABSTRACT:
A coaxial-type differential transmission apparatus. A fixed gear fixed on a base. An intermediate member is adjacent to the fixed gear. An input shaft is rotatably fitted in the base and fixed gear and is fixed on the intermediate member. An output shaft is rotatably adjacent to the input shaft and is coaxial thereto. A reduction gear and an acceleration gear are slidably disposed on the output shaft. The acceleration gear is between the reduction gear and the intermediate member. A shifting device is disposed on the base and output shaft. A transmission shaft is rotatably fitted in the intermediate member. A first gear is fixed on the transmission shaft and is adjacent to the intermediate member. A second gear is fixed on the transmission shaft. A third gear is fixed on the transmission shaft and between the second gear and the intermediate member.

REFERENCES:
patent: 978159 (1910-12-01), Henriod
patent: 1623213 (1927-04-01), Starr
patent: 2005/0261106 (2005-11-01), Wang et al.
“Robot Analysis: The Mechanics of Serial and Parallel Manipulators” Tsai.
“Kinematics and Dynamics of Machinery” Wilson et al.

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