Title:
RATCHET WRENCH
Document Type and Number:
WIPO Patent Application WO/2018/001012
Kind Code:
A1
Abstract:
Provided is a ratchet wrench, comprising a main body (1), a driving member (2), a braking member (3), a switching member (4), and a spring-back abutting assembly (5); the main body (1) is provided with a first accommodating chamber (11), a second accommodating chamber (12), and a third accommodating chamber (13) in communication with the first and second accommodating chambers; of the two ends of the second accommodating chamber (12), one end is a large-diameter section (121) and the other end is a small-diameter section (122); the driving member (2) is rotatably disposed inside the first accommodating chamber (11). The braking member (3) is disposed inside the third accommodating chamber (13) and limits the direction of rotation of the driving member (2); the switching member (4) is rotatably disposed inside the second accommodating chamber (12) and comprises a rotating member (41) and a projection (42) extending from the rotating member (41); the rotating member (41) is disposed on the large-diameter section (121) and the projection (42) is disposed on the small-diameter section (122). The ratchet wrench effectively prevents the selector from slipping.
Inventors:
CHAN YI-TUNG (CN)
Application Number:
PCT/CN2017/086031
Publication Date:
January 04, 2018
Filing Date:
May 26, 2017
Export Citation:
Assignee:
STANLEY CHIRO INT LTD (CN)
International Classes:
B25B13/46
Foreign References:
| CN2892384Y | 2007-04-25 | |||
| CN201394802Y | 2010-02-03 | |||
| CN201394803Y | 2010-02-03 | |||
| CN105328615A | 2016-02-17 | |||
| TW422158U | 2001-02-11 | |||
| TW425953U | 2001-03-11 | |||
| US8661933B2 | 2014-03-04 |
Other References:
See also references of EP 3479959A4
Attorney, Agent or Firm:
BEIJING BEIXIN-ZHICHENG INTELLECTUAL PROPERTY AGENT CO., LTD. (CN)
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