Boring stand
US4789275A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1987 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Mar 13, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/91
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A boring stand for supporting engine blocks or cylinders which are to be bored that has a moveable platform which is slidably mounted on a vertical upright of a stand and has polyethylene wear plates engageable with a vertical upright. The moveable platform has a cable with one end which connects to an upper portion of the stand and a lower portion which passes around a reel within the platform structure which can be driven by a worm wheel and worm and which has a crank handle attached to the worm. The worm and worm wheel assures that the platform will stay in a preset position after adjustment and allows the platform to be positioned to any desired height.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.