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:
Jul. 07, 1992
Filed:
Oct. 04, 1990
Roy E LaBounty, Two Harbors, MN (US);
Kenneth R LaBounty, Two Harbors, MN (US);
LaBounty Manufacturing, Inc., Two Harbors, MN (US);
Abstract
A rail breaker attachable to the boom structure and hydraulic system of a hydraulic excavator and having an elongate frame tiltable by a hydraulic cylinder of the excavator, a grapple and a swingable breaker arm on the outer end of the frame, the grapple having a width to grasp and clamp a length of the rail to immobilize the rail, the lower stationary jaw of the grapple having a hardened fulcrum blade over which the rail is broken, the upper jaw of the grapple having a nicking blade to put a nick in the rail to be broken, and the breaker arm swinging against the extended portion of the rail which is being clamped by a grapple to break the rail at the nick produced and over the fulcrum blade.