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:
Dec. 27, 1983
Filed:
Jun. 16, 1981
Applicant:
Inventors:
David E Johnson, Pataskala, OH (US);
Kenneth E McCall, Lancaster, OH (US);
William J Coughlin, Lancaster, OH (US);
Assignee:
Arcair Company, Lancaster, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q / ; B23K / ;
U.S. Cl.
CPC ...
105 / ; 105144 ; 104119 ; 266 67 ; 173 32 ;
Abstract
A tractor assembly for mounting on a track fixed to a workpiece the tractor used to support and guide a metal-working tool along a fixed path, the tractor having three wheels to engage opposite edges of the track, one of said wheels being laterally displaceable to facilitate mounting of the tractor to the track. The invention also includes rest buttons or supports to facilitate alignment and mounting of the tractor and additional roller supports engageable to said track if needed.