Claims
- 1. In a blower assembly for a vacuum cleaner of the type having one or more rotating fan assemblies, one or more stage assemblies, and a motor base, the improvement comprising,
- said motor base having an outer depending ring portion with an inner diameter which closely receives said stage assembly, said ring portion inner diameter further having one or more inwardly projecting lugs, said motor base further having a central spool portion with one or more pockets, and
- said stage assembly having a stage back with one or more outer peripheral notches, and stage assembly further having a stage plate with a central hole having one or more inwardly projecting tabs, said spool portion pockets receiving said tabs and permitting said fixed stage assembly to be rotated to a position at which said notches engage said lugs thereby locking said fixed stage assembly in an assembled condition with said motor base.
- 2. The improvement according to claim 1 wherein said pockets of said spool portion are "L"-shaped such that said tabs engage said pocket by axial movement and said tabs become axially restrained onto said spool when said stage assembled is rotated.
- 3. The improvement according to claim 1 wherein said stage assembly has three of said tabs and said motor base spool portion has three of said pockets.
- 4. The improvement according to claim 1 wherein said stage assembly is axially deflected in said assembled condition.
Parent Case Info
This is a division of U.S. patent application Ser. No. 782,510, now U.S. Pat. No. 4,735,555 filed Oct. 1, 1985, entitled "Improved Air Blower Assembly for Vacuum Cleaners", naming as inventor Roy Oliver Erickson, Jr.
US Referenced Citations (22)
Foreign Referenced Citations (1)
Number |
Date |
Country |
652337 |
Apr 1951 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Copy of Portions of Rexair, Inc. Prior Art Vacuum Blower Unit Assembly Taken from Drawing R-2000. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
782510 |
Oct 1985 |
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