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:
Nov. 17, 2015
Filed:
Nov. 18, 2013
David C. Brabb, Westmont, IL (US);
Anand R. Vithani, Addison, IL (US);
Kenneth L Martin, Pueblo, CO (US);
Howard R. Sommerfeld, Oak Forest, IL (US);
Graydon Booth, Chicago, IL (US);
David C. Brabb, Westmont, IL (US);
Anand R. Vithani, Addison, IL (US);
Kenneth L Martin, Pueblo, CO (US);
Howard R. Sommerfeld, Oak Forest, IL (US);
Graydon Booth, Chicago, IL (US);
Sharma & Associates, INC., Countryside, IL (US);
Abstract
An apparatus for a hand brake includes a gear assembly, an electric motor coupled to the gear assembly, one or more sensors configured to sense at least one of the released and set states, a controller coupled to the electric motor and to the one or more sensors, the controller is configured to operate the electric motor in accordance with a predetermined logic algorithm so as to move the chain between the released and set states, and a device being movable between a first position wherein the device engages only the hand wheel and wherein the hand wheel is used to move the chain between the released and set states and a second position wherein the device engages both the hand wheel and a gear in the gear assembly and wherein the electric motor is operable to move the chain between the released and set states.