Universal jig fixture for castings
US4203582A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1978 |
| Grant date | May 20, 1980 |
| Priority date | — |
| Expiry date | Jun 12, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S269/909
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A universal jig fixture for tree castings includes longitudinally spaced port blocks mounted on a base structure, the support blocks having top openings with converging, sloping sides that engage similarly shaped sides on the runner of the casting, and hold down clamps for pressing the runner down on the support blocks. The casting is longitudinally located by a stop engaging a sprue cup of the casting or an end stop on the support block. The sprue cup includes a spring finger cup, and the hold down clamp can be fluid actuated. Lateral and vertical location of the casting by the support blocks; longitudinal location of the casting is by the sprue cup stop or the end stop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.