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Patent Searching and Data


Title:
VIBRATION GENERATOR
Document Type and Number:
Japanese Patent JP2010240553
Kind Code:
A
Abstract:

To provide a small vibration generator which can alter the amplitude under work according to applications and in which disassembling, assembling and replacement of parts are easy.

The vibration generator generating vibration includes a rotary shaft 31, a bearing 32 supporting the rotary shaft 31, a color 33 having guide surfaces 33a, 33b on a periphery and attached to the rotary shaft 31 while fitting the center of gravity to the center of rotation of the rotary shaft 31, and a weight 34 housing the color 33 in an opening 33c and freely moving in the radial direction of the rotary shaft 31 while being slid on the guide surfaces 33a, 33b. The eccentricity of the weight 34 to the rotary shaft 31 is specified by making a pin 51 pass any of penetrating holes 34d to 34h installed through the weight 34 and the penetrating hole 33c of the color 33.


Inventors:
Tanaka, Masamichi
Okuya, SO
Hasebe, Takahisa
Ishii, Toshihisa
Application Number:
JP2009000091050
Publication Date:
October 28, 2010
Filing Date:
April 03, 2009
Export Citation:
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Assignee:
HITACHI CONSTR MACH CO LTD
International Classes:
B06B1/16; B07B1/42; E01C19/28; E02D7/18; E02F7/00
Attorney, Agent or Firm:
春日 讓