Title:
ROTARY IMPACT TOOL
Document Type and Number:
WIPO Patent Application WO/2012/023452
Kind Code:
A1
Abstract:
This tool is provided with: a motor (2) which is a rotary power source; an impact generating device which generates pulse-shaped impacts from the rotation of the motor, and applies rotational torque to an output shaft (7) by means of the impacts; a torque sensor (10) which measures the torque applied to the output axis; and a control means (C) which stops the motor when the torque measured by the torque sensor has reached a set target torque. The control means is configured so as to alter the per-impact torque increase amount according to the set target torque.
Inventors:
MIZUNO MITSUMASA (JP)
OHASHI TOSHIHARU (JP)
OHASHI TOSHIHARU (JP)
Application Number:
PCT/JP2011/068029
Publication Date:
February 23, 2012
Filing Date:
August 08, 2011
Export Citation:
Assignee:
PANASONIC ELECTRIC WORKS POWER (JP)
MIZUNO MITSUMASA (JP)
OHASHI TOSHIHARU (JP)
MIZUNO MITSUMASA (JP)
OHASHI TOSHIHARU (JP)
International Classes:
B25B23/14; B25B21/02
Domestic Patent References:
| WO2007099626A1 | 2007-09-07 |
Foreign References:
| JP2005324265A | 2005-11-24 | |||
| JP2005118910A | 2005-05-12 | |||
| JPH07116969A | 1995-05-09 | |||
| JP3110344U | 2005-06-23 | |||
| JPS6175968U | 1986-05-22 | |||
| JPH08267368A | 1996-10-15 |
Other References:
See also references of EP 2607020A4
Attorney, Agent or Firm:
NISHIKAWA, Yoshikiyo et al. (JP)
Yoshikiyo Nishikawa (JP)
Yoshikiyo Nishikawa (JP)
Download PDF:
Claims:
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