Title:
【発明の名称】油圧工具のヘッドとそれを装着した油圧工具
Document Type and Number:
Japanese Patent JP2976090
Kind Code:
B2
Abstract:
PURPOSE: To provide a hydraulic tool head that can machine many kinds of objects different in necessary output grade and direction by one hydraulic pump. CONSTITUTION: A tool head 1 is removably connected to a portable hydraulic pump 2 so as to drive a cutting edge 4 by output, supplied from the ram 2c of the hydraulic pump 2, as drive source. A piston 6 direct-coupled to the ram 2c of the hydraulic pump 2, a cylinder 7 for accumulating oil pressurized by the piston 6, and an operating ram 8 different in outer diameter from the piston 6 and receiving the pressure of the piston 6 at the rear end face through the oil in the cylinder 7 are provided between the cutting edge 4 and a connecting part to the hydraulic pump 2. A booster 3 is further mounted to increase/ decrease the output of the ram 2c to transmit it to the cutting edge 4.
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Inventors:
NISHIDA RIKIO
Application Number:
JP33188594A
Publication Date:
November 10, 1999
Filing Date:
December 09, 1994
Export Citation:
Assignee:
NISHIDA RIKIO
International Classes:
B25F1/02; B25B25/00; (IPC1-7): B25B25/00
Domestic Patent References:
| JP61173867A | ||||
| JP2130769U | ||||
| JP6350673U | ||||
| JP69880U |
Attorney, Agent or Firm:
Yano Masayuki