Title:
QUICK-RELEASE ROD AND SCREWDRIVER
Document Type and Number:
WIPO Patent Application WO/2016/106800
Kind Code:
A1
Abstract:
Disclosed is a quick-release rod, comprising a connecting sleeve rod (1); one end of the connecting sleeve rod (1) is provided with a sleeve rod connection portion (1-4) for installing a screwdriver handle, and the other end of the connecting sleeve rod (1) is provided with a sleeve rod shaft hole (1-1) for installing a tool bit; the sleeve rod shaft hole (1-1) is provided with a tool bit installation portion (1-1-1) and a magnet assembly installation portion (1-1-2) having a magnet assembly installed therein; a fixed end of the magnet assembly expands to fit tightly in the magnet assembly installation portion (1-1-2), and a free end of the magnet assembly can slide in the magnet assembly installation portion (1-1-2); and a magnet (5) installed on the free end of the magnet assembly attracts the tool bit inserted in the tool bit installation portion (1-1-1). Also disclosed is a screwdriver, comprising a screwdriver handle, a screwdriver rod and a tool bit; and the screwdriver rod employs the above quick-release rod. The quick-release rod attracts and holds the tool bit via the magnet on the free end, thus facilitating a quick replacement of the tool bit.
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| WO/2023/111904 | HYDRAULIC TORQUE WRENCH |
| WO/2005/028162 | NUT-TIGHTENING AND -LOOSENING DEVICE |
Inventors:
WANG BOYONG (CN)
Application Number:
PCT/CN2015/070276
Publication Date:
July 07, 2016
Filing Date:
January 07, 2015
Export Citation:
Assignee:
SHAOXING HUANZHOU TOOLS CO LTD (CN)
International Classes:
B25B23/00; B25B15/00; B25B21/00
Foreign References:
| CN204450372U | 2015-07-08 | |||
| US20060145431A1 | 2006-07-06 | |||
| CN202344472U | 2012-07-25 | |||
| CN203993699U | 2014-12-10 | |||
| CN202528113U | 2012-11-14 |
Attorney, Agent or Firm:
BEI JING TSING HUA YUAN LAW FIRM (CN)
北京市清华源律师事务所 (CN)
北京市清华源律师事务所 (CN)
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