Conveyance apparatus for processing step
US7134541B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 10, 2004 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Dec 10, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2201/0294
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveyance truck movable along travel rails includes a suspended supporting device for supporting a vehicle body, a raising and lowering device for raising and lowering the suspended supporting device, and a posture adjusting device for adjusting the posture of the vehicle body. The raising and lowering device includes a first supporting axle disposed in the front section in the travel direction, a second supporting axle provided in the rear section movable towards and away from the first supporting axle, a crank arm supported rotatably on the second supporting axle and having the suspended supporting device supported rotatably at its free end portion, a swinging arm fixed to the first supporting axle and having a free end portion coupled to an intermediate position of the crank arm, and an arm drive mechanism for causing the crank arm to rotate about the second supporting axle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.