Title:
金属シート曲げ機
Document Type and Number:
Japanese Patent JP7332719
Kind Code:
B2
Abstract:
A bending machine for metal sheets includes a punch assembly having an upper tool-holding crosspiece that supports a set of upper bending tools with respective supporting pins and is provided with a guiding groove that is open for receiving the set of upper bending tools. The guiding groove has a lateral supporting groove that receives and supports the supporting pins and maintains the set of upper bending tools slidably coupled to the upper tool-holding crosspiece. The supporting groove has a single second lower opening to allow disengaging/engaging of the supporting pins from/with the supporting groove to remove/insert from/into the upper tool-holding crosspiece at the same time all the upper bending tools. The punch assembly has a single closing element connected to the upper tool-holding crosspiece that is linearly movable between closed and open positions to close and open the second lower opening.
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Inventors:
Farina, Giulio
Menegello, Roberto
Menegello, Roberto
Application Number:
JP2021565906A
Publication Date:
August 23, 2023
Filing Date:
May 07, 2020
Export Citation:
Assignee:
SALVAGNINI ITALIA S.p.A.
International Classes:
B21D5/02; B21D37/04
Domestic Patent References:
| JP2005074429A | ||||
| JP2015517407A | ||||
| JP2018515346A |
Foreign References:
| US20070006635 | ||||
| US7168286 |
Attorney, Agent or Firm:
Patent Attorney Corporation R&C
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