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. 29, 1979
Filed:
Mar. 03, 1978
Applicant:
Inventors:
Assignee:
Losenhausen Maschinenbau AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
404 84 ; 404122 ; 200 6191 ; 200D / ;
Abstract
The invention relates to a safety device in road rollers, which have a guide rod with a guide handle so that they can be guided by an operator walking in front of or behind the road roller, and which are driven by an engine through drive transmission means arranged to be disabled, said safety device comprising a sensor element, which extends substantially along the length of the guide handle and responds to the operator grasping the guide handle, and further comprising servo means controlled by the sensor element and adapted to disable the drive transmission means upon releasing of the guide handle.