LINEAR GEAR MECHANISM TRANSMITTING AT VARIABLE ANGLE

WIPO Patent Application WO/2019/114452

A1

A linear gear mechanism transmitting at a variable angle, in which a pair of linear gears having intersecting shafts constitutes a transmission pair, comprising a driving wheel (3) and a driven wheel (1), wherein the driving wheel (3) and the driven wheel (1) are each composed of a gear body and a line tooth; contact lines of a driving wheel line tooth (4) and a driven wheel line tooth (2) mesh according to a pair of spatial conjugate curves; one or more line teeth are on the driving wheel (3); the line tooth on the driven wheel (1) is a line tooth that has the property of transmitting at a variable angle, and during the transmission process, the mechanism may adjust the transmission angle of the gear pair which has intersecting shafts, thus causing engagement points to form on different contact lines while the transmission ratio remains unchanged and transmission is stable. The contact lines of the driving wheel line tooth (4) and driven wheel line tooth (2) of the linear gear mechanism are different at different transmission angles, and different meshing lines may cause the gear mechanism to have the same transmission ratio; thus, transmission at an continuously variable angle and a fixed transmission ratio between two shafts may be achieved.

CHEN YANGZHI (CN)
HE CHAO (CN)
LV YUELING (CN)

PCT/CN2018/113219

June 20, 2019

October 31, 2018

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UNIV SOUTH CHINA TECH (CN)

F16H1/02; F16H57/023

WO2013067039A1

2013-05-10

CN108019463A	2018-05-11
CN207830466U	2018-09-07
CN102954153A	2013-03-06
CN105114532A	2015-12-02
CN205978280U	2017-02-22
CN101782129A	2010-07-21
US5092751A	1992-03-03

YOGO PATENT & TRADEMARK AGENCY LIMITED COMPANY (CN)

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