Tow bar having compact swivel unit with pin-less stowing lobes
US8690181B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 30, 2012 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Jul 27, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60D2001/546
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tow bar including a towing vehicle hitch; a towed vehicle hitch; a towing connector releasably connectable to the towing vehicle hitch; a swivel unit having a first portion fixedly secured to the towing connector, a second portion connected to the first portion to pivot about a transverse horizontal axis, a third portion connected to the second portion to pivot about a fore-to-aft horizontal axis; a pair of opposing tow bar legs connected to the third portion to pivot about a vertical axis; and rear leg connectors to releasably connect the aft ends of the tow bar legs to the towed vehicle hitch; wherein the first portion includes an upwardly-extending lobe enabling the tow bar legs to be pin-lessly stowed in a horizontal orientation at the rear of the towing vehicle; and a swivel device for such a tow bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.