Title:
HAMMER DRILL
Document Type and Number:
WIPO Patent Application WO/2012/144500
Kind Code:
A1
Abstract:
[Problem] To provide a hammer drill improved for enhanced drilling performance.
[Solution] A hammer drill having: a linear impact mechanism section (115) for applying an impact force in the longitudinal axis direction to a tool bit (119); and a rotational drive mechanism section (117) for rotationally operating the tool bit (119) about the longitudinal axis. The hammer drill is configured so that a rotational impact can be applied to the tool bit (119) in the rotational direction.
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Inventors:
YOSHIKANE KIYONOBU (JP)
Application Number:
PCT/JP2012/060386
Publication Date:
October 26, 2012
Filing Date:
April 17, 2012
Export Citation:
Assignee:
MAKITA CORP (JP)
YOSHIKANE KIYONOBU (JP)
YOSHIKANE KIYONOBU (JP)
International Classes:
B25D16/00
Foreign References:
| JPH0970771A | 1997-03-18 | |||
| JP2001009746A | 2001-01-16 | |||
| JPH03113764U | 1991-11-21 | |||
| JPH0349881A | 1991-03-04 | |||
| JPH0970771A | 1997-03-18 |
Other References:
See also references of EP 2700478A4
Attorney, Agent or Firm:
IWATA Tetsuyuki et al. (JP)
Tetsuyuki Iwata (JP)
Tetsuyuki Iwata (JP)
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Claims:
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