Title:
PRESS BRAKE
Document Type and Number:
WIPO Patent Application WO/2021/256305
Kind Code:
A1
Abstract:
This press brake (10) is provided with raising/lowering members (32) that are respectively provided to a pair of support blocks (30) in a raisable/lowerable manner and extends in the vertical direction. A ball screw (36) is rotatably provided to a first raising/lowering member (32), and a nut member (48) to be screwed into the ball screw (36) is provided to a first support block (30). One end side of a stretch (56) in the left-right direction is connected to the upper end section of the first raising/lowering member (32), and the other end side of the stretch (56) in the left-right direction is pivotably connected to the upper end section of a second raising/lowering member (32). A support mechanism (62) that supports the stretch (56) from below is provided to the first raising/lowering member (32), and an abutting member (98) is provided to the stretch (56).
Inventors:
AKIYAMA SHOGO (JP)
Application Number:
PCT/JP2021/021479
Publication Date:
December 23, 2021
Filing Date:
June 07, 2021
Export Citation:
Assignee:
AMADA CO LTD (JP)
International Classes:
B21D5/02; B21D43/00; B21D43/26
Foreign References:
| JP2010162558A | 2010-07-29 | |||
| JP2001062515A | 2001-03-13 | |||
| JPH0726012U | 1995-05-16 | |||
| JPH09253754A | 1997-09-30 | |||
| JP2010162558A | 2010-07-29 | |||
| JP2019130535A | 2019-08-08 | |||
| JPH0584520A | 1993-04-06 | |||
| JP2020102874A | 2020-07-02 |
Other References:
See also references of EP 4166253A4
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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