Title:
LOCKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/041157
Kind Code:
A1
Abstract:
Disclosed is a locking device. The locking device comprises an outer sleeve (1) and at least one locking unit (2) located in the outer sleeve (1), wherein the locking unit (2) is formed by connecting a plurality of pressing blocks (3), a gap (5) is provided between two adjacent pressing blocks (3), a rod locking hole (6) is provided in the gap (5), and a stopper screw hole (7) is provided on the outer sleeve (1) at a position corresponding to the locking unit (2). When a stopper screw is screwed into the stopper screw hole (7) and directly or indirectly presses on the locking unit (2), the locking unit (2) deforms and drives the pressing blocks (3) to simultaneously press on rods (8, 9) mounted in each rod locking hole (6).
Inventors:
XU KAI (CN)
DONG TIANLAI (CN)
DAI ZHENGCHEN (CN)
ZHAO JIANGRAN (CN)
YANG ZHIXIONG (CN)
LIANG BO (CN)
DONG TIANLAI (CN)
DAI ZHENGCHEN (CN)
ZHAO JIANGRAN (CN)
YANG ZHIXIONG (CN)
LIANG BO (CN)
Application Number:
PCT/CN2017/099753
Publication Date:
March 08, 2018
Filing Date:
August 30, 2017
Export Citation:
Assignee:
BEIJING SURGERII TECH CO LTD (CN)
International Classes:
F16B21/20
Foreign References:
| CN106286530A | 2017-01-04 | |||
| CN204828164U | 2015-12-02 | |||
| CN202560729U | 2012-11-28 | |||
| JP2013204762A | 2013-10-07 | |||
| JP2007162790A | 2007-06-28 |
Other References:
See also references of EP 3508738A4
Attorney, Agent or Firm:
ZHISHENG IP, LLP (CN)
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