Title:
MOTOR-DRIVEN BENDING DEVICE
Document Type and Number:
Japanese Patent JP3932831
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent broken pieces of a reinforcement bar from scattering during bending the reinforcement bar.
SOLUTION: The device is comprised of a stationary roller 5 to serve as a fulcrum, a bending roller 8 to bend the reinforcement bar 20 and a reaction force receiver 9. A gripping device that grips the reinforcement bar while bending is performed around the stationary roller 5 is also installed. On the opposite side of the reaction force receiver 9, either rotational nails 13 or a rubber board is attached to press the reinforcement bar 20 preventing it from scattering.
Inventors:
Toshinori Matsushita
Mutsumi Takeda
Hiroyuki Oda
Mutsumi Takeda
Hiroyuki Oda
Application Number:
JP2001156584A
Publication Date:
June 20, 2007
Filing Date:
May 25, 2001
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
B21D7/024; E04G21/12; B21F1/00; (IPC1-7): B21D7/024; B21F1/00; E04G21/12
Domestic Patent References:
| JP5084533A |