Title:
打撃具及び球技用バット
Document Type and Number:
Japanese Patent JP4748622
Kind Code:
B2
Abstract:
A bat includes a handle having a handle joint, a barrel having a barrel joint and a barrel joint opening at an end of the barrel joint, and a connector connecting the handle joint and barrel joint together. The barrel joint has a first support hole formed proximal to the barrel joint opening, a second support hole formed distal to the barrel joint opening and having a larger diameter than the first support hole, and a receiver formed between the first and second support holes orthogonal to an axis of the holes. The connector has a handle connection connected to the handle joint, a first barrel connection formed on an outer periphery of the connector and engaging with the first support hole, a second barrel connection formed on an outer periphery of the connector and engaging with the second support hole.
Inventors:
Makoto Watari
Katsumi Shimodaira
Katsumi Shimodaira
Application Number:
JP2010003380A
Publication Date:
August 17, 2011
Filing Date:
January 08, 2010
Export Citation:
Assignee:
Nippon Jojo Co., Ltd.
International Classes:
A63B59/51; A63B60/06; A63B102/18
Domestic Patent References:
| JP2009521989A | ||||
| JP2003299756A |
Foreign References:
| US20060252586 | ||||
| US20070207882 | ||||
| US20040224803 | ||||
| US7311620 |
Attorney, Agent or Firm:
Yuichi Sudo