Elbow joint assembly
US5827005A · kind A · utility
Inventor
Key dates
| Filing date | May 19, 1997 |
| Grant date | Oct 27, 1998 |
| Priority date | — |
| Expiry date | May 19, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/591
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An elbow joint assembly including two elbow joints mounted on two opposite ends of a shaft around a screw rod, each elbow joint including a fixed elbow having a barrel raised from the periphery and fixed to a locating rod of a mechanism, two movable elbows turned about the shaft and having a respective barrel raised from the periphery and holding a respective rod, two constraint blocks mounted on the shaft and forced to hold down the movable elbows and the fixed elbow in between the movable elbows, two spring elements mounted around the shaft between the movable elbows and the constraint blocks to force them apart; and two levers respectively pivoted to the shaft and turned between a first position in which the constraint blocks are forced into engagement with the movable elbows, causing the movable elbows and the fixed elbow to be firmly retained in position, and a second position in which the constraint blocks are released from the movable elbows, for permitting the movable elbows to be respectively turned about the shaft to the desired angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.