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:
Feb. 25, 2020
Filed:
Nov. 07, 2017
Applicants:
William R. Krause, Charlottesville, VA (US);
Garland Edwards, Midlothian, VA (US);
Inventors:
William R. Krause, Charlottesville, VA (US);
Garland Edwards, Midlothian, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 23/00 (2006.01); B25B 15/02 (2006.01); B25B 13/48 (2006.01);
U.S. Cl.
CPC ...
B25B 23/0028 (2013.01); B25B 15/02 (2013.01); B25B 13/481 (2013.01);
Abstract
A flexible shaft, having a first end and, a second end and capable of being bent about its axis while transferring rotary motion from a device to tool is disclosed. The shaft, manufactured from a rigid material, has at least one flexible segment having two sinuous slots ascending in a helical path from a common start point in opposite rotational directions. In other segments the slots can be a single helical slot, double helical slots, parallel or crossing, or circumferential. The helical paths can vary within each segment or from segment to segment.