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. 27, 1979
Filed:
Apr. 22, 1977
George G Lassanske, Oconomowoc, WI (US);
Other;
Abstract
Disclosed herein is a vehicle comprising a frame, a drive wheel supported by the frame, a direct current motor supported by the frame, a drive train connecting the direct current motor and the drive wheel and including a variable speed 'V' belt drive with a rotatably carried pulley including a non-axially movable sheave and an axially movable sheave, and a spring biasing the axially movable sheave away from the non-axially movable sheave, a hydraulic circuit for regulating the axial position of the axially movable sheave and including a pump driven by the motor, a hydraulic cylinder piston assembly in communication with the pump and mechanically connected to the axially movable sheave for applying a force urging the axially movable sheave toward the non-axially movable sheave, and a control for regulating the pressure of the fluid in the hydraulic cylinder piston assembly to regulate the axial force applied to the axially movable sheave.