Tractor drawbar hitch
US6526735B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 6, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Jul 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/14
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A sturdy yet easy to assemble and disassemble T-shaped apparatus for ganging together a plurality of individually powered trail-behind mowers for towing by a tractor mower or other type all-terrain vehicle in cutting grass or similar vegetation. This design includes a tractor drawbar pivotally attached to a vehicle for towing having a pivot pin connected thereto at an opposite end to the vehicle, a center drawbar centrally attached to the tractor drawbar by a pivot hinge for connection with the pivot pin, and which is pivotally attached on either end by a left and a right mower drawbar attachment. The center drawbar also having a rear hitch centrally connected, as by welding, on an opposite side to the pivot hinge to pull additional mowers. The design features at least three pivot points to allow an even cut by a plurality of trail-behind mowers on bumpy, uneven terrain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.