Patent · US Expired

Transfer method and device and driving system therefor for transfer presses

US4995505A · kind A · utility

17Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1988
Grant dateFeb 26, 1991
Priority date
Expiry dateOct 20, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D43/055
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A trolley is reciprocably moved along a guide and work supported by the trolley is vertically moved by a lift mechanism and the lift mechanism is made compact in size, light in weight and highly reliable in operation, whereby the processing speed of a processing line can be increased and therefore productivity can be improved.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.