Title:
RATCHET WRENCH
Document Type and Number:
WIPO Patent Application WO/2018/141137
Kind Code:
A1
Abstract:
A ratchet wrench includes a body (10) which has a through hole (11), a first recess (12), a second recess (13), a top recessed area (15) and a bottom recessed area (17) to accommodate the ratchet wheel (20), the pawl (30), the switch unit (40), the top ring (50), the bottom ring (70), the top clip (60) and the bottom clip (80). The ratchet wheel (20) has a first pivotal portion (23), a top groove (24), a second pivotal portion (25) and a bottom groove (26). The pawl (30) has a notch (32). The switch unit (40) is pivoted to control the movement of the pawl (30) in the first recess (12). The top ring (50) is located in the top recessed area (15) and the bottom ring (70) is located in the bottom recessed area (17). The top clip (60) and the bottom clip (80) respectively position the ratchet wheel (20), and restrict the top ring (50) and the bottom ring (70) from dropping from the body (10).
Inventors:
YANG CHUNWEI (CN)
ZHANG ZHEPING (CN)
ZHANG ZHEPING (CN)
Application Number:
PCT/CN2017/083118
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:
| JP3209939U | 2017-04-13 | |||
| CN106392967A | 2017-02-15 | |||
| US20040025645A1 | 2004-02-12 | |||
| DE202015104204U1 | 2015-08-26 | |||
| CN2705269Y | 2005-06-22 | |||
| CN202763737U | 2013-03-06 | |||
| CN202412114U | 2012-09-05 |
Attorney, Agent or Firm:
HANGZHOU ZHITONG PATENT AGENCY OFFICE (GENERAL PARTNERSHIP) (CN)
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