Silk hat shaped wave gear device

Details Silk hat shaped wave gear device Silk hat shaped wave gear device

2005-01-25

2005-01-25

Lewis, Tisha (Department: 3681)

Machine element or mechanism

Gearing

Reexamination Certificate

active

06845689

ABSTRACT:
A flexible external gear of a silk hat shaped wave gear device has an annular body, external teeth formed on an outer circumferential portion of a first opening of the body, a circular diaphragm connected to a second opening portion of the body, and a circular boss connected to an outer circumferential end of the diaphragm. The shape of a connected portion of the diaphragm and the body is defined by a curved portion whose diameter decreases gradually from the diaphragm toward the body when viewed along a device axis. Since the body is wider on the diaphragm side, the wave generator7can be easily fitted into the flexible external gear from the diaphragm side.

REFERENCES:
patent: 5715732 (1998-02-01), Takizawa et al.
patent: 6202508 (2001-03-01), Takizawa

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