Differential transmission apparatus

Details Differential transmission apparatus Differential transmission apparatus

2006-11-07

2006-11-07

Bonck, Rodney H. (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

C074S473360

Reexamination Certificate

active

07131928

ABSTRACT:
A differential transmission apparatus. The differential transmission apparatus includes a base, a fixed gear, a rotating member, an output shaft, a reduction gear, an acceleration gear, a shifting device, at least one transmission shaft, at least one first gear, at least one second gear, and at least one third gear. The fixed gear is fixed on the base. The rotating member is adjacent to the fixed gear. The output shaft rotatably fits in the rotating member, fixed gear, and base. The reduction gear is slidably disposed on the output shaft. The acceleration gear is slidably disposed on the output shaft and connected to the reduction gear. The shifting device is disposed on the base and output shaft. The first, second, and third gears are fixed on the transmission shaft and the third gear is between the second gear and the rotating member.

REFERENCES:
patent: 1231655 (1917-07-01), Schmidt
patent: 1632123 (1927-06-01), Else
patent: 2005/0261103 (2005-11-01), Wang et al.
Tsai, “Robot Analysis: the mechanics of serial and parallel manipulators,” A Wiley-Interscience Publication, pp. 313-316, 1999.
Wilson, et al. “Kinematics and Dynamics of a Machinery,” Harper Collins pp. 511-516, 1991.

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