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:
May. 08, 1979
Filed:
May. 10, 1977
William D Langford, Stow, OH (US);
Incom International Inc., Pittsburgh, PA (US);
Abstract
A two cable differential and push-pull system uses both cables simultaneously to operate a controlled device. The two cables are tensioned together or pushed together, or one cable is tensioned while the other is pushed, to operate a single device. Controls which have used separate cables for separate functions use paired cables for the multiple functions, reducing stress on individual cables without increasing the number of cables in the installation. In the illustrated transmission control a differential motion, which includes pushing and pulling forces, is applied through the cables to select a rail. A coincident pushing or pulling force is applied through both cables to shift the rail.