Adjustable king pin assembly
US4923204A · kind A · utility
Inventor
Key dates
| Filing date | Oct 17, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Oct 17, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D53/0842
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An adjustable king pin assembly for releasably mating with a fifth wheel assembly on a tractor-trailer arrangement. The king pin is secured to a plate which plate is slidably positioned for longitudinal movement with respect to the frame of the trailer in a space between spaced, elongated, longitudinally aligned guide bars. Spaced longitudinally aligned apertures are provided in the plate or guide bars, and an appropriate locking mechanism, secured to the assembly, is releasably movable into locking position in any one of each one of the apertures to securely hold the plate in position against longitudinal movement. An appropriate mechanical control mechanism is provided for moving the locking means from and into locking position. The assembly according to the invention provides an economical and easy-to-operate system for longitudinally positioning the king pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.