Title:
【発明の名称】衝撃工具用駆動装置
Document Type and Number:
Japanese Patent JP2655282
Kind Code:
B2
Abstract:
A device for the driving of a drilling and/or percussion tool provided with a spindle 5 mounted rotatably in the housing 1, the one end of which spindle is suitable for fastening to the tool piece, the other end being accessible to an oscillating percussion body 6 movable in the housing 1 by means of a guideway 7, a rotatable driving shaft 3 bringing the tool spindle into rotation, a transmission being provided with means for the conversion of the rotary motion of the drive shaft into an oscillatory motion of a drive member 8, said member being joined to the percussion body through an elastic member 26 having a non-linear spring characteristic, wherein the drive member is mounted on the drive shaft or a shaft coupled therewith, under an angle deviating from 90 degrees to the centre line thereof, and the elastic member is a plate-like member rotatably connected to the drive member, and being provided with a coupling means engaging with the percussion body, whereby the conversion mechanisme can be made simple and small, whilst the frequency of the oscillatory motion can be boosted considerably giving a better percussion effect on the tool spindle.
Inventors:
ANTONII YOHANNESU MORENAAARU
JAN PIITAA HOBEN
JAN PIITAA HOBEN
Application Number:
JP14230089A
Publication Date:
September 17, 1997
Filing Date:
June 06, 1989
Export Citation:
Assignee:
EMASON EREKUTORITSUKU CO
International Classes:
B23Q11/12; B23B45/16; B23Q5/02; B23Q11/00; B25D11/00; B25D16/00; B25D17/00; B25D17/04; B25D17/18; E21B21/01; (IPC1-7): B23B45/16; B23Q5/02
Domestic Patent References:
| JP60141482A | ||||
| JP55144914A | ||||
| JP6018308Y2 |
Attorney, Agent or Firm:
Shinichi Ogawa (2 outside)