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. 19, 1992
Filed:
Oct. 17, 1989
Applicant:
Inventors:
Assignee:
Tymco, Inc., Waco, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01H / ;
U.S. Cl.
CPC ...
15346 ; 153401 ; 298 11 ; 298 14 ; 298 175 ; 298 / ; 414471 ; 414477 ; 414546 ; 414549 ;
Abstract
A street sweeper which includes a frame, a hopper, a cab and a centrifugal separator on opposite sides of the hopper, a mechanism for moving the hopper from a position behind the cab to a position above and forward of the cab for dumping debris from the hopper, the hopper moving mechanism including a pair of first and second relatively extendable and retractable members, each of the first members being connected to the hopper and each of the second members being connected to the frame, a rotator carrying a slider, and a mechanism for pivoting each rotator which through its associated slider elevates the extendable and retractable members to permit movement of the hopper above and along the cab.