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:
Oct. 27, 2015
Filed:
Jan. 06, 2010
Jeffrey Kent Aldred, Boulder, CO (US);
Alexis Stuart Foreman, Boulder, CO (US);
Palmer Hubbard Beam, Boulder, CO (US);
James E. Fay, Boulder, CO (US);
Jeffrey Kent Aldred, Boulder, CO (US);
Alexis Stuart Foreman, Boulder, CO (US);
Palmer Hubbard Beam, Boulder, CO (US);
James E. Fay, Boulder, CO (US);
DEUS Rescue GmbH, Bietigheim-Bissingen, DE;
Abstract
A descent device according to embodiments of the present invention includes a housing; an inlet capstan; a drive wheel coupled to a centrifugal brake, the drive wheel rotatable with respect to the housing about an axis, the drive wheel including a groove formed along its outer perimeter, the groove having a first inner side wall, a second inner side wall, and a bottom, a distance between the first and second inner side walls decreases from the outer perimeter to the bottom in a direction toward the axis, wherein at least a portion of a radial extent of the inner side walls includes a pattern of protrusions positioned between inner side walls to form an irregular rope path along the groove; an outlet capstan; and a rope extending through the rope inlet, around the inlet capstan, around the drive wheel, around the outlet capstan, and through the rope outlet.