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:
Mar. 24, 1998
Filed:
Nov. 27, 1996
Applicant:
Inventors:
Craig A Sandsted, Irmo, SC (US);
Marion D Smith, Irmo, SC (US);
Assignee:
Harsco Corporation, Camp Hill, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
104 10 ; 104 12 ;
Abstract
A tamping assembly uses a split tool mechanical vibrator having corresponding front and back vibrator units powered by a single motor. A tamping tool provides easy connection to a tamping tool holder in such a way that two tamping tools may be mounted to one tool holder using a single bolt and wherein the tool holder has a channel in which a projection of the tamping tool is secured by a taper lock.