Die cart
US4614108A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1985 |
| Grant date | Sep 30, 1986 |
| Priority date | — |
| Expiry date | Apr 12, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B15/028
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A die cart comprising a carriage adapted to be moved along track means toward and away from a press; a turntable mounted for rotary movement on the carriage and having a first load surface at one end thereof and a second load surface of the opposite end thereof; and a transfer device mounted on the turntable for fore and aft movement over the first and second load surfaces and having coupling means for engaging a die to push or pull a die positioned on either load surface onto or off of the bed of the press. The cart includes a first hydraulic motor carried by the carriage for moving the carriage along the track means; a second hydraulic motor carried by the turntable for rotating the turntable on the carriage; and a third hydraulic motor carried by the turntable for moving the transfer device fore and aft over the first and second load surfaces. The cart further includes a hydraulic pump; an air motor arranged to drive the hydraulic pump to create a source of pressurized hydraulic fluid; hydraulic valve means for selectively routing the pressurized hydraulic fluid to the first, second and third hydraulic motors; and air control means for selectively actuating the hydraulic valve m…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.