Title:
PRESSING AND CLAMPING SHAFT OF DENTAL HANDPIECE SUITABLE FOR DISPOSABLE SAFE USE
Document Type and Number:
WIPO Patent Application WO/2017/206225
Kind Code:
A1
Abstract:
Disclosed is a pressing and clamping shaft of a dental handpiece suitable for disposable safe use, comprising a clamping shaft body (1) which is provided with a via hole axially. Slot holes (3) cutting through the via hole are provided at both sides of a middle part of the clamping shaft body (1). A clamping spring strip (4) for clamping a card grinding (7) is provided on the slot holes (3). A push rod (5) for ejecting the clamping spring strip is slidably provided on the clamping shaft body (1). Push rod slots for placing the push rod (5) are provided in the clamping shaft body (1). The push rod (5) is slidably provided on the push rod slots. The push rod slots are located at both sides of the clamping shaft body (1). The clamping spring strip (4) is mounted on the clamping shaft body (1), and then the clamping shaft body (1) closely coordinates with an inner hole of an impeller (6).
Inventors:
ZHOU ZHANLI (CN)
Application Number:
PCT/CN2016/087017
Publication Date:
December 07, 2017
Filing Date:
June 24, 2016
Export Citation:
Assignee:
NINGBO HPDOVE DENTAL INSTR CO LTD (CN)
International Classes:
A61C1/14
Foreign References:
| CN205234665U | 2016-05-18 | |||
| CN204636578U | 2015-09-16 | |||
| CN205251721U | 2016-05-25 | |||
| CN203263556U | 2013-11-06 | |||
| US5688122A | 1997-11-18 | |||
| EP1486179A1 | 2004-12-15 |
Attorney, Agent or Firm:
ZHEJIANG HANGZHOU JUNDU PATENT AGENCY CO., LTD. (CN)
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