Tire chain device
US4480673A · kind A · utility
Inventor
Key dates
| Filing date | May 26, 1983 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | May 26, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/1471
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire chain device of the type which has a rigid structure positioned on the inner side of the wheel upon which it is installed, said rigid structure being comprised of an adjustable length horizontal strap and two rigid depending straps pivoted from either end thereof in a manner that restricts pivoting more than 90.degree., the two ends of the horizontal strap of said inner structure being connected by two short cross links to an adjustable length outer strap, and the lower end of each depending strap being removably connected by two long cross links to a plurality of posts having expanded ends spaced along the exposed side of the outer strap. The outer strap is slotted near one end for vertical support of the inner structure in the formation of a warning triangle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.