Vacuum cleaner
US5218736A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1992 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Apr 21, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L5/26
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A hand-held corded vacuum cleaner having a housing with a motor compartment containing a motor mounted on partitions defining inlet, cooling and outlet chambers for efficient motor cooling by air which enters inlet and exits outlet vents in the inlet and outlet chambers, respectively. A dirt channel extends from a fan chamber having a fan mounted by being swaged on a motor shaft. A nozzle chamber is disposed at one end of the housing and a bag assembly is removably detached from the rear of the housing by means of a collar having a side hole through which a detent extends and which may be depressed to remove the bag assembly. The nozzle is in communication with the fan chamber and the fan pushes dirt through a dirt channel over the motor compartment into the bag of the bag assembly. The motor shaft has a pulley at the end thereof which is connected to a brush which is releasably retained in the nozzle compartment. A belt extends around the brush and the pulley. A door provides access to the belt and has a post which is coaxial with the motor shaft and extends into the immediate proximity of the end thereof to prevent the belt from meandering off the shaft. A well in the belly of th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.