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:
Mar. 25, 2003
Filed:
May. 09, 2001
David J. Boles, Barberton, OH (US);
Nick M. Bosyj, North Canton, OH (US);
Jeffery S. Louis, Green, OH (US);
Gregg A. McAllise, North Canton, OH (US);
William McGill, Jr., Canton, OH (US);
Dave O'Neal, Louisville, OH (US);
The Hoover Company, North Canton, OH (US);
Abstract
A conversion valve arrangement for converting a vacuum cleaner from floor use to off-the-floor use. A valve door located in the suction duct leading from the nozzle body shuts off the suction airstream to the nozzle body when the vacuum cleaner is moved into the upright stored position. A projection on the motor housing located beneath the handle engages a resilient member cooperating with a crank arm on the valve door to close the valve door when the handle is moved to the upright position. The resilient member is comprised of a front valve arm and a rear valve arm pivotally linked together. The motion of the rear valve arm is transmitted to the front valve arm in one direction by a stop. The motion of the rear valve arm is transmitted to the front valve arm in the opposite direction by the stiffness of a spring disposed between them. The resiliency of the spring will allow the rear valve arm to rotate relative to the front valve arm should the valve door become stuck in the open position when the handle is moved to the upright position to prevent damage to the projection on the motor housing, the rear valve arm, front valve arm, torsional coil spring, and valve door.