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. 26, 2006
Filed:
Dec. 06, 2004
John Patrick Dowell, Grove City, PA (US);
Charles David Crawford, Blue Springs, MO (US);
Maurizio Biagiotti, Pisa, IT;
Michael Lee Ashton, Lee's Summit, MO (US);
Edward Armand Croteau, Lee's Summit, MO (US);
Wallace Martindell Catanach, Iii, Grain Valley, MO (US);
John Patrick Dowell, Grove City, PA (US);
Charles David Crawford, Blue Springs, MO (US);
Maurizio Biagiotti, Pisa, IT;
Michael Lee Ashton, Lee's Summit, MO (US);
Edward Armand Croteau, Lee's Summit, MO (US);
Wallace Martindell Catanach, III, Grain Valley, MO (US);
General Electric Companyy, Schenectady, NY (US);
Abstract
A control mechanism for moving switch points on a railroad track, having a drive screw driven by a motor, a traveling block moving along the drive screw to position the switch points, an end stop on the drive screw for limiting movement of the traveling block, a hand crank for manually turning the drive screw, and a torque limiting clutch on the hand crank.