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Patent Searching and Data


Title:
MOTOR DRIVE CUTTING AND BENDING TOOL
Document Type and Number:
Japanese Patent JPH09271849
Kind Code:
A
Abstract:

To miniaturize a motor drive cutting and bending tool to cut and bend a rod of reinforcing bar, etc., with a simple composition.

A reinforcing bar is cut with a moving cutting knife and a fixed cutting knife on a swing arm 21 driven with a cam 18 attached on a spindle 13 rotated with a motor 1 through gear series 7 to 12, the reinforcing bar is bent with a bending pin 16 of extending from the side face of the cam 18 and rotating around a center pin 27 of the top end of spindle 13, the power multifying factor of the cam 18 and the lever multifying factor of the swing arm 21 are set properly and the torque of outputting shaft 13 is made almost in the same value during cutting and bending.


Inventors:
YOSHIMIZU TOMOUMI
MATSUMOTO KIHACHIROU
KONISHI JUNICHI
ODA HIROYUKI
Application Number:
JP8801696A
Publication Date:
October 21, 1997
Filing Date:
April 10, 1996
Export Citation:
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Assignee:
HITACHI KOKI KK
International Classes:
B23D29/00; B21D7/024; B21F1/00; B21F11/00; (IPC1-7): B21D7/024; B21F1/00; B21F11/00; B23D29/00
Domestic Patent References:
JPH0639445A1994-02-15