Title:
RATCHET WRENCH
Document Type and Number:
WIPO Patent Application WO/2018/141138
Kind Code:
A1
Abstract:
A ratchet wrench includes a body (10), a ratchet wheel (20), a pawl (30), a top ring (50), a top clip (60), a bottom ring (70) and a bottom clip (80). The body (10) includes a through hole (11) defined through the top (101) and the bottom (102) of the body (10). A top recessed area (15) and a bottom recessed area (17) are respectively defined in the top (101) and the bottom (102) of the body (10). A recess (12) is defined in the inner periphery of the through hole (11). A protrusion (13) with a receiving slot (14) extends from one end of the recess (12). A resilient member (40) is received in the receiving slot (14) to bias the pawl (30) to engage with the ratchet wheel (20). The top ring (50) is engaged with the top recessed area (15). The bottom ring (70) is engaged with the bottom recessed area (17). The top clip (60) and the bottom clip (80) are respectively engaged with the top and the bottom recessed areas (15, 17). The top ring (50) is pressed by the top clip (60).
Inventors:
YANG CHUNWEI (CN)
ZHANG ZHEPING (CN)
ZHANG ZHEPING (CN)
Application Number:
PCT/CN2017/083120
Publication Date:
August 09, 2018
Filing Date:
May 04, 2017
Export Citation:
Assignee:
ZHEJIANG YIYANG TOOL MFT CO LTD (CN)
International Classes:
B25B13/46
Foreign References:
| US20050120834A1 | 2005-06-09 | |||
| US20160243680A1 | 2016-08-25 | |||
| CN203993660U | 2014-12-10 | |||
| CN102357851A | 2012-02-22 | |||
| CN2930983Y | 2007-08-08 | |||
| CN200974204Y | 2007-11-14 | |||
| CN104760013A | 2015-07-08 |
Attorney, Agent or Firm:
HANGZHOU ZHITONG PATENT AGENCY OFFICE (GENERAL PARTNERSHIP) (CN)
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