The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 1997
Filed:
Jan. 16, 1996
Applicant:
Inventor:
An-Ping Tseng, Taoyuan, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
172815 ; 172540 ; 172554 ; 404 90 ; 299 71 ; 299 73 ;
Abstract
An improved road scraper includes a second scraping device mounted at a rear end of a road scraper of a known construction having a first scraping device. Between the road scraper and the second scraping device are disposed a vertical displacement mechanism and a horizontal displacement mechanism. By the actions of these mechanisms, the second scraping device may be extended outwardly from one side of the road scraper for scraping a greater width of the road.