Title:
THUMBWHEEL STRUCTURE AND CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/227767
Kind Code:
A1
Abstract:
A thumbwheel structure and a control device using same, relating to the technical field of control. The thumbwheel structure comprises a base (10); a toggle member (20) and a resetting member (30); the base (10) is rotatably connected to the toggle member (20) by means of a rotating shaft (40); the base (10) is provided with a first abutting portion (11); the toggle member (20) comprises a second abutting portion (21) facing the rotating shaft (40); the second abutting portion (21) is adjacent to the first abutting portion (11) in the radial direction of the rotating shaft (40); the resetting member (30) abuts against the first abutting portion (11) and the second abutting portion (21); when the toggle member (20) rotates on the base (10), the resetting member (30) generates abutting force in two opposite directions on the first abutting portion (11) and the second abutting portion (21), respectively. The thumbwheel has compact structure, can ensure that the toggle member returns to the initial position under the function of the same magnitude of resetting force when rotating by the same distance in different directions, and enables the touch feeling of operations to be consistent.
Inventors:
YAN XIN (CN)
Application Number:
PCT/CN2018/105234
Publication Date:
December 05, 2019
Filing Date:
September 12, 2018
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G05D1/00
Foreign References:
| CN1959885A | 2007-05-09 | |||
| CN206685294U | 2017-11-28 | |||
| CN101308738A | 2008-11-19 | |||
| CN102034630A | 2011-04-27 | |||
| CN206471261U | 2017-09-05 | |||
| US5894118A | 1999-04-13 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
Download PDF: