GB776517A - Improvements relating to suction cleaners - Google Patents
Improvements relating to suction cleanersInfo
- Publication number
- GB776517A GB776517A GB28516/55A GB2851655A GB776517A GB 776517 A GB776517 A GB 776517A GB 28516/55 A GB28516/55 A GB 28516/55A GB 2851655 A GB2851655 A GB 2851655A GB 776517 A GB776517 A GB 776517A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing wall
- connection
- riveted
- introduction
- strips
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
Landscapes
- Electric Vacuum Cleaner (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
776,517. Suction cleaners. CANADIAN GENERAL ELECTRIC CO., Ltd. Oct. 6, 1955 [Oct. 6, 1954], No. 28516/55. Class 8(1) Prior to or coincident with the introduction of a blower connection into normally closed opening 12, Fig. 2, in the casing wall 2 of a suction cleaner of fan and canister type one or more normally open exhaust air outlets 11 in said casing wall 2 are blocked by valve means 14 whereby a concentrated blast of air issues through the opening 12 on introduction of the connection 13 (not shown). As shown the valve means comprises two arched spring strips 14 riveted to diametrically opposite points 15 of the wall 2 and having their free bent-over ends 16 secured to opposite ends of a bar 20 which is rocked about a central pivot pin 21 on inward movement of a sliding plate 23 carrying a stud 26 engaging a slot 27 in the bar 20 whereby the strips 14 close the exhaust openings 11. The plate 23 is pushed inwardly by engagement of the bore connection with a detent 29. In a modification the two arched strips are riveted to the casing wall at a common point 31, Fig. 4 (not shown), and the free ends are forced apart by a lazy-tongs mechanism on introduction of the blower hose connection to effect blocking of the exhaust openings. In a further modification a single spring strip 40, Fig. 5, is riveted at one end 41 to the casing wall 2 and the bent-over free end 16 is secured to a pivoted arm 42 actuated by an arm 45 and external handle 16. In each con struction the blower opening is closed by a removable plug when not in use.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA776517X | 1954-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB776517A true GB776517A (en) | 1957-06-05 |
Family
ID=4172437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB28516/55A Expired GB776517A (en) | 1954-10-06 | 1955-10-06 | Improvements relating to suction cleaners |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB776517A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154862A (en) * | 1984-03-01 | 1985-09-18 | James Liou | Suction cleaning/blower |
-
1955
- 1955-10-06 GB GB28516/55A patent/GB776517A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154862A (en) * | 1984-03-01 | 1985-09-18 | James Liou | Suction cleaning/blower |
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