Title:
WORKING TOOL
Document Type and Number:
WIPO Patent Application WO/2013/065614
Kind Code:
A1
Abstract:
An electric vibration tool (100) for driving a blade (200), the electric vibration tool having a spindle (120), a crank shaft (123) that is detachably mounted on the spindle (120), and a crank-shaft-holding mechanism (130) for holding the crank shaft (123) and thereby mounting the crank shaft (123) on the spindle (120). The crank shaft (123) has a shaft (124), a clamp head (125), and an engaging flange (126). The clamp head (125) and the engaging flange (126) are formed so as to protrude in the radial direction from the shaft (124). The crank-shaft-holding mechanism (130) has a holding member for holding the engaging flange (126), the holding member being positioned between the shaft (124) and the outer end of the engaging flange (126). The holding member holds the crank shaft (123) in cooperation with the engaging flange (126).
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Inventors:
YAMAUCHI KEN (JP)
Application Number:
PCT/JP2012/077801
Publication Date:
May 10, 2013
Filing Date:
October 26, 2012
Export Citation:
Assignee:
MAKITA CORP (JP)
YAMAUCHI KEN (JP)
YAMAUCHI KEN (JP)
International Classes:
B24B23/00; B24B45/00
Foreign References:
| JPS5055291U | 1975-05-26 | |||
| EP1790434A1 | 2007-05-30 | |||
| JPS54134983U | 1979-09-19 | |||
| US20080254725A1 | 2008-10-16 | |||
| JP2007533472A | 2007-11-22 | |||
| JPH06238557A | 1994-08-30 | |||
| GB2409422A | 2005-06-29 |
Attorney, Agent or Firm:
IWATA Tetsuyuki et al. (JP)
Tetsuyuki Iwata (JP)
Tetsuyuki Iwata (JP)
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Claims: