EP 0108935 A3 19840822 - STAMPING MACHINE HAVING A MULTIPLE PUNCH
Title (en)
STAMPING MACHINE HAVING A MULTIPLE PUNCH
Publication
Application
Priority
DE 3241046 A 19821106
Abstract (en)
[origin: US4555966A] A punch press has a punching tool assembly removably coupled to the ram, and it carries a plurality of punching pins which are individually selectable for a punching operation. A rotatable cam moves the selected punch pin from a retracted position in the tool assembly to an operative punching position, and the cam is driven by a retractable drive mechanism which is movable into engagement with the rotatable cam to effect such rotation and retracted to an inoperative position, by a moving means. Control means is provided to effect operation of the moving means and of the drive mechanism, and is operable to effect precise rotation of the cam member.
IPC 1-7
IPC 8 full level
B21D 28/14 (2006.01); B21D 28/24 (2006.01); B21D 28/34 (2006.01); B21D 37/04 (2006.01); B26F 1/02 (2006.01)
CPC (source: EP US)
B21D 28/125 (2013.01 - EP US); B21D 28/34 (2013.01 - EP US); B21D 37/04 (2013.01 - EP US); Y10T 83/162 (2015.04 - EP US); Y10T 83/4491 (2015.04 - EP US); Y10T 83/626 (2015.04 - EP US); Y10T 83/8727 (2015.04 - EP US); Y10T 83/8732 (2015.04 - EP US); Y10T 83/8759 (2015.04 - EP US)
Citation (search report)
- [X] DE 7736466 U1 19790208
- [Y] DE 441599 C 19270307 - WAGGON UND MASCHINENFABRIK AKT
- [Y] US 3048328 A 19620807 - BOHABOY EDWARD J, et al
- [A] DE 1652637 A1 19700514 - SIEMENS AG
- [A] DE 1502721 B2 19731004
- [A] GB 1081820 A 19670906 - GEN ELECTRIC CO LTD, et al
Designated contracting state (EPC)
CH FR GB IT LI
DOCDB simple family (publication)
EP 0108935 A2 19840523; EP 0108935 A3 19840822; EP 0108935 B1 19870616; DE 3241046 A1 19840510; JP S59130634 A 19840727; JP S6219925 B2 19870501; US 4555966 A 19851203; US 4569267 A 19860211
DOCDB simple family (application)
EP 83110194 A 19831013; DE 3241046 A 19821106; JP 20766483 A 19831107; US 54674583 A 19831028; US 64741984 A 19840905