Earth scraper with track apparatus
US7077216B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2003 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | Oct 21, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/065
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An earth working scraper for use removing and transporting earth is disclosed. The scraper includes a scraper blade for scraping earth from a ground surface, a receiving area located near the blade for receiving earth scraped from the ground surface by the blade, a rotatable axle for providing transportation of the scraper connected with respect to the blade and receiving area, and a track apparatus connected with respect to the rotatable axle. The track apparatus may include a continuous flexible track having an upper length and a ground-engaging lower length and including an inner surface, an axle wheel mountable to the rotatable axle for rotational movement therewith, the axle wheel engaging the inner surface of the flexible track along the upper length to drive the flexible track in response to rotation of the axle, and a frame for mounting the axle wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.