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.

Date of Patent:
Sep. 26, 2017

Filed:

Aug. 14, 2014
Applicant:

Nordco Inc., Oak Creek, WI (US);

Inventor:

Daniel Mark Henke, Hartland, WI (US);

Assignee:

NORDCO INC., Oak Creek, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25D 9/00 (2006.01); B25D 11/00 (2006.01); B25D 13/00 (2006.01); E21B 1/00 (2006.01); E01B 29/26 (2006.01);
U.S. Cl.
CPC ...
E01B 29/26 (2013.01); Y10T 29/49815 (2015.01);
Abstract

A fastener driving workhead unit is provided for performing an operation on spikes of a railroad track having a plurality of ties, and includes a hammer housing configured for accommodating a hammer, the housing being attached to a hammer bushing having a hammer bushing clamp. Also included in the workhead unit is an anvil assembly having an anvil and an extension coupler, the extension coupler being releasably secured to the hammer bushing by fastening the hammer bushing clamp. Further, the workhead unit includes a jaw assembly having a jaw block, the jaw block having at least one jaw block clamp for releasably securing a guide rod to the jaw block by the jaw block clamp, such that the anvil freely reciprocates in the hammer housing for driving the spikes into the plurality of ties.


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