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:
Sep. 09, 1980
Filed:
Jun. 15, 1978
Gerald H Wick, Galesburg, IL (US);
Outboard Marine Corporation, Waukegan, IL (US);
Abstract
Disclosed herein is a lawn mower including a blade housing, wheels for supporting the blade housing for movement along the ground, a rotary blade supported in the blade housing, and an internal combustion engine supported by the blade housing and rotatably driving the blade. The internal combustion engine includes a carburetor, a movable throttle control for controlling fluid flow through the carburetor, the throttle control being movable from an open position to a flow restricting position, a movable air vane connected to the throttle control for moving the throttle control, and a fan for forcing air against the air vane and for urging the throttle control to the flow restricting position. The engine further includes a spring connected to the throttle control for urging the throttle control to the open position, and a control member connected to the spring, the control member being movable between a first spring force level position and a second spring force level position for varying the force of the spring on the throttle control.