Title:
POWER TOOL AND CUSHIONING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2008/023745
Kind Code:
A1
Abstract:
A power tool having a strike cylinder, a strike piston slidably received in the
strike cylinder, a driver joined to the lower face of the strike piston, and a cushioning
mechanism for cushioning an impact occurring when the strike piston is driven
to drive a fastener by a driver. The cushioning mechanism has a receiving section
formed in the lower part of the strike cylinder and also has a bumper received in
the receiving section and receiving the lower face of the strike piston. The
bumper is formed in a tubular shape, the wall thickness of the center section of
the pumper is greater than those of the upper and lower sections of the bumper,
and the wall thicknesses of the upper and lower sections are substantially the
same.
Inventors:
HOSHINO TAKAMICHI
ARAI TOSHIMICHI
AIHARA YASUNORI
ARAI TOSHIMICHI
AIHARA YASUNORI
Application Number:
PCT/JP2007/066309
Publication Date:
February 28, 2008
Filing Date:
August 22, 2007
Export Citation:
Assignee:
MAX CO LTD (JP)
HOSHINO TAKAMICHI
ARAI TOSHIMICHI
AIHARA YASUNORI
HOSHINO TAKAMICHI
ARAI TOSHIMICHI
AIHARA YASUNORI
International Classes:
B25C7/00
Foreign References:
| JPS55120475U | 1980-08-26 | |||
| JPS51114784A | 1976-10-08 | |||
| JPH07241783A | 1995-09-19 | |||
| JPH0717481U | 1995-03-28 | |||
| JP2876982B2 | 1999-03-31 | |||
| JP2576575Y2 | 1998-07-16 | |||
| JP3267469B2 | 2002-03-18 | |||
| JP2006228465A | 2006-08-31 |
Attorney, Agent or Firm:
OGURI, Shohei et al. (7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, JP)
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