US2728933A

US2728933A - Vacuum cleaner nozzle attachments

Info

Publication number: US2728933A
Application number: US348776A
Authority: US
Inventors: Ruth A Pieper; George A Pieper
Original assignee: Individual
Current assignee: Individual
Priority date: 1953-04-14
Filing date: 1953-04-14
Publication date: 1956-01-03
Anticipated expiration: 1973-01-03

Description

Jan. 3, 1956 R. A. PIEPER ET AL 2,728,933

VACUUM CLEANER NQZZLE ATTACHMENTS Filed April 14, 1955 IN V EN TORS Ear/1' x9. /EPEE A rrae/ve-Y United States Patent VACUUM CLEANER NOZZLE ATTACHMENTS Ruth A. Pieper and George A. Pieper, Milwaukee, Wis. Application April 14, 1953, Serial No. 348,776

3 Claims. (Cl. 15-246) This invention relates to improvements in vacuum cleaner nozzle attachments and more particularly to a novel vacuum cleaner nozzle attachment of the runner type, and is a modification related in part to the forms of the invention disclosed in our patent application bearing the Serial Number 273,998, filed February 28, 1952, for vacuum cleaner tools and attachments.

An object of the invention is to provide a device of the type having a plurality of runners which may be attached over the bearing surface of a conventional vacuum cleaner nozzle to facilitate use of the same on a throw rug or a rug having elongated pile members, which normally tend to clog a vacuum cleaner nozzle and interfere with use of the tool.

Another object of the invention is to provide a device of the type having means integral therewith to erase runner marks in the rug during the cleaning operation.

Other and further objects of the invention will appear as the description proceeds, reference being had to the accompanying drawings, in which:

Fig. l is a plan view of a vacuum cleaner nozzle attachment embodying the invention in position on a conventional vacuum cleaner nozzle.

Fig. 2 is a plan view partly in elevation and partly in horizontal section of the device.

Fig. 3 is a front view in elevation partially broken away of the device in position on a vacuum cleaner nozzle.

Fig. 4 is a vertical sectional view taken on line 4-4 of Fig. 1.

Referring more particularly to the drawings, the numeral refers to the device generally, comprising a gridiron including a plurality of parallel runners 11, integral with the longitudinally extending

side members

12 and 13 and the

end members

14 and 15.

Each

side member

12 and 13 has a longitudinally embossed rib or head 16 and an upwardly curved outer edge 17.

A coil tension spring 18 is atfixed as at 19 to a runner 11 adjacent each end of the device 10, and said 2,728,933 Patented Jan. 3, 1956 spring 18 is enclosed in a rubber tube 19. Additional anchoring means 20 are provided at the extreme ends of the device 10 for use in attaching the device to a larger vacuum cleaner nozzle.

In use, the device 10 is placed on a vacuum cleaner nozzle 21 with the runners 11 covering the opening of the nozzle. The upwardly curved edges 17 permit movement of the nozzle and gridiron over a throw rug of conventional type having long pile elements. The runners 11 prevent the rug from clogging the nozzle 21, and the ribs 16 erase the runner marks in the rug as the device is used. The coil springs 18 releasably secure the device 10 to the vacuum cleaner nozzle 21, and the rubber tubes 19 prevent marring the surface of the nozzle. The embossments 22 restrain forward or backward shifting of the device 10 on said nozzle during use as they project slightly within the opening at 23 of the nozzle.

It will be understood that the device is capable of many modifications in structure and design without departing from the spirit of the invention.

Having thus described the invention, what is claimed and desired to be secured by Letters Patent of the United States, is:

1. In a vacuum cleaner attachment, a plurality of parallel runners, integral members joining the ends of said runners, and continuous downwardly disposed ribs extending along said integral members transversely to the direction of the runners for erasing marks of said runners in a rug while it is being cleaned.

2. A sheet metal gridiron including a plurality of parallel runner elements, integral side elements extending longitudinally thereof joining said runner elements, beads downwardly embossed longitudinally of said side ele ments, and a pair of coil springs attached to said runners for receiving a vacuum cleaner nozzle and retaining said gridiron upwardly against the opening thereof.

3. A sheet material gridiron including a plurality of parallel runner elements, integral side elements extending longitudinally thereof joining said runner elements, beads embossed downwardly longitudinally of said side elements, a pair of coil springs attached to the upper side of said runners for receiving a vacuum cleaner nozzle and for retaining said gridiron upwardly against the opening thereof, and tubular resilient means covering said springs.

References Cited in the file of this patent UNITED STATES PATENTS Great Britain Nov. 12, 1931 Cranmer Nov. 2, 1943