Title:
ビリヤードキュー等の棒状器具の重量および重心位置調節装置
Document Type and Number:
Japanese Patent JP4711091
Kind Code:
B2
Abstract:
A device for adjusting the weight and the gravity center position of a bar-like implement such as a billiard cue. The bar-like implement comprises a female screw part formed in the inner surface of a hollow part formed at its one end to be opened to the outside and having a bottom diameter gradually lowered toward its other end and a plurality of male screw members inserted from the one end of the bar-like implement into the hollow part and threaded with the female screw part at different positions in the longitudinal direction. By this implement, the weight and the gravity center position of the bar-like implement can be arbitrarily and easily adjusted by a user. Also, since the male screw members are not loosened while the bar-like implement is used, adjustment does not get out of order and noise does not occur.
Inventors:
Mountain saki study
Application Number:
JP2007517704A
Publication Date:
June 29, 2011
Filing Date:
May 27, 2005
Export Citation:
Assignee:
Mountain saki study
International Classes:
A63D15/08; A63B53/06; A63B59/42; A63B60/02; A63B102/02; A63B102/16; A63B102/32
Domestic Patent References:
| JPS532128A | 1978-01-10 | |||
| JPS6217090Y2 | 1987-04-30 | |||
| JPH0866500A | 1996-03-12 | |||
| JPH0279975U | 1990-06-20 |
Foreign References:
| US20050043107A1 | 2005-02-24 | |||
| DE2753192A1 | 1979-06-07 |
Attorney, Agent or Firm:
Norihiko Hibi
Einosuke Kishimoto
Akira Watanabe
Matsumura Naoto
Einosuke Kishimoto
Akira Watanabe
Matsumura Naoto