Title:
STRING DRAWING APPARATUS OF STRINGING MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/184187
Kind Code:
A1
Abstract:
A string drawing apparatus of a stringing machine, comprising: a string clamping device (1), a sensor (2), a driving element (3), a transmission mechanism, and a control circuit (4). The sensor (2) is connected to the string clamping device (1), and is configured to detect tension applied to the string clamping device (1) and transmit a detected tension value to the control circuit (4); the control circuit (4) compares the detected tension value with a set value, and controls rotation of the driving element (3) according to the comparison result; the transmission mechanism comprises: a mounting base (5), a transmission sliding block (6), a transmission rack (7), and a driving gear (8); the driving gear (8) is connected to an output end of the driving element (3), and the transmission rack (7) is meshed with the driving gear (8) and is connected to the transmission sliding block (6); a guide column (9) is provided on the mounting base (5); the transmission sliding block (6) is sleeved on the guide column (9) and is connected to the sensor (2); the transmission sliding block (6) drives the sensor (2) and the string clamping device (1) to move forwards or backwards under driving of the driving gear (8), so as to enable a racket string to be tightened or loosened.
Inventors:
MA YUNDOU (CN)
Application Number:
PCT/CN2018/099421
Publication Date:
October 03, 2019
Filing Date:
August 08, 2018
Export Citation:
Assignee:
MA YUNDOU (CN)
International Classes:
A63B51/14; A63B51/16
Foreign References:
| CN202942616U | 2013-05-22 | |||
| CN200951292Y | 2007-09-26 | |||
| CN2623288Y | 2004-07-07 | |||
| US9597556B2 | 2017-03-21 | |||
| CN101337121A | 2009-01-07 |
Other References:
See also references of EP 3777983A4
Attorney, Agent or Firm:
GUANGZHOU SINO PATENT & TRADEMARK AGENT CO., LTD. (CN)
Download PDF: