Invention Grant
- Patent Title: Speed change device
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Application No.: US15147160Application Date: 2016-05-05
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Publication No.: US09939049B2Publication Date: 2018-04-10
- Inventor: Te-En Liu
- Applicant: TERAFORCE Precision Technology Co., Ltd.
- Applicant Address: TW Taichung
- Assignee: Teraforce Precision Technology Co., Ltd.
- Current Assignee: Teraforce Precision Technology Co., Ltd.
- Current Assignee Address: TW Taichung
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: TW105111559A 20160413
- Main IPC: F16H3/70
- IPC: F16H3/70 ; F16H57/04

Abstract:
A speed change device is provided, including: an outer ring part, an interior thereof including at least one outer gear; a spindle, coaxially pivoted to the outer ring part with the at least one outer gear, having a central axis, an outer circumference of the spindle having a plurality of cam assembling portions; a plurality of cam parts, respectively disassemblably assembled to the plurality of cam assembling portions, synchronizingly rotating with the spindle, at least two of the plurality of cam parts having a phase difference of angle which is larger than zero degree; a plurality of inner gears, being rigid, respectively sleeved on the plurality of cam parts and being non-rotatable with the plurality of the cam parts, respectively meshed with the at least one outer gear.
Public/Granted literature
- US20170299020A1 SPEED CHANGE DEVICE Public/Granted day:2017-10-19
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