US2404040A - Demonstrating device for vacuum cleaners - Google Patents

Demonstrating device for vacuum cleaners Download PDF

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Publication number
US2404040A
US2404040A US555689A US55568944A US2404040A US 2404040 A US2404040 A US 2404040A US 555689 A US555689 A US 555689A US 55568944 A US55568944 A US 55568944A US 2404040 A US2404040 A US 2404040A
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carpeting
cleaner
piece
horizontally extending
extending portion
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US555689A
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Archibald J Chapman
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EUREKA WILLIAMS Corp
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EUREKA WILLIAMS CORP
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    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/19—Means for monitoring filtering operation

Definitions

  • This invention relates to exhibiting and demonstrating devices for vacuum. cleaners and has particular reference to a new and improved device ior exhibiting and demonstrating a vacuum cleaner in a very convenient and effective manner.
  • a principal object of the invention is to provide a new and improved device for exhibiting and demonstrating a vacuum cleaner.
  • Fig. 1 is a perspective view of the device embodying the invention
  • Fig. 2 is a side elevational view thereof with the case removed in order to illustrate the working parts of the mechanism and taken generally along the line 2-2 of Fig. 1;
  • Fig. 3 is a fragmentary sectional view taken generally along the line 3-3 of Fig. 1.
  • the device comprises in general a unit having a vacuum cleaner Ill positioned thereon.
  • ' unit includes a suitable case l2 enclosing a base l4 upon which a plurality of drums l6.
  • I8, 20 and 22 are rotatably mounted, the drums l6 and 22 having their shafts journaled in bearings 24 which are adjustably mounted in a suitable bearing retainer 26.
  • Rollers 30 and 32 positioned close together with their axes arranged parallel are arranged above the drums l8 and 20.
  • An endless strip of carpeting 34 is arranged on the drums 20 and 22 and the roller 32, while another endless strip of carpeting 36 is arranged on the drums l6 and I8 and the roller 30.
  • the two strips of carpeting are arranged in alignment and each has upper horizontally extending portions or runs extending between the roller 32 and the drum 22 and the roller 30 and the drum l respectively. Such horizontal portions are visible through opening 38 provided in the upper surface of the case 12. and the cleaner II] is arranged as illustrated to straddle the joint or break between the hori zontally extending portions of the strips 34 and 36 of carpeting.
  • the width of the nozzle of the cleaner l0 may be slightly greater than that of the opening 38 so that the ends of the cleaner will rest upon the top of the case l2 at the side of the opening 33, and a bar 42 spanning the opening 38 beneath the cleaner Ill may be provided for supporting the rear end of the cleaner above the strips of carpeting 34 and 36.
  • the drums l8 and 20 are provided with sprockextending run of the carpet 34, and this beater 52 is connected by a belt and pulley drive 55 to one of the sprockets 44 so that during operation of the motor the beater 52 will be driven.
  • the beater 52 is arranged to beat the under side of the carpet 34 a short distance ahead of the front of the cleaner In so as to make the carpet vibrate at the region immediately in front of the cleaner Ill.
  • the carpet 34 has permanently secured to the exposed surface thereof suitable material of a cotton or linty nature so as to simulate the appearance of a dirty carpet.
  • the carpet 36 must be of the same character and color as the carpet 34 but is clean and free from lint, dirt, etc.
  • the pulley 44 will be driven in a counterclockwise direction so as to drive the strips 34 and 35 of carpeting in the direction indicated by the arrows in Fig. 2. This will give the appearance of a dirty carpet passing under the nozzle of the cleaner and a clean carpet moving away from the back end of the cleaner.
  • the action of the beater 52 at this time will simulate the action of the brush or agitator of the cleaner in beating the carpet.
  • the horizontal run of the carpet 36 may pass over a flat solid surface so as to eliminate the possibility of this part of the carpet vibrating during the operation of the device.
  • the motor of the vacuum cleaner may be turned on during the operation of the device if desired, although it is not necessary.
  • the bag of the cleaner may be fixed in a distended position by any suitable means so as to give the appearance of a vacuum cleaner bag during normal cleaner operation.
  • a device for exhibiting suction cleaners comprising a piece of carpeting arranged so as to have an exposed horizontally extending .portion, said piece of carpeting having litter or dirt secured thereto, a second piece of clean carpeting arranged so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces I of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, and means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner.
  • a device for exhibiting suction cleaners comprising a piece of carpeting arranged so as to have an exposed horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second piece of clean carpeting arranged so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner, and means below the carpeting operative for beating the horizontally extending portion of the firstmentioned piece of carpeting in a zone adjacent the nozzle of said cleaner and simultaneously with movement of said carpeting cleaner.
  • a device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have an exposed horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said firstmentioned piece, and means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner.
  • a device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have an exposed horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have an exposed horizontally extending portion in line with and adjoining that of said firsti entioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement rom front to rear of said cleaner, and means for beating the horizontally extending portion of the first-mentioned piece of carpeting in a zone adjacent the nozzle of said cleaner and simultaneously with movement of said carpeting 5.
  • a device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have an exposed horizontall extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said firstmentioned piece, means for moving both of said,
  • a device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have a horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have a horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a casing enclosing said carpeting and having an elongated opening in the upper surface thereof through which said horizontally extending portions are exposed, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means within said casing for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner.
  • a device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have a horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have a horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a casing enclosing said carpeting and having an elongated opening in the upper surface thereof through which said horizontally extending portions are exposed, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means within said casing for moving both of said pieces of carpetlng relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner, and means for beating the horizontall extending portion of the first-mentioned piece of carpeting in a zone adjacent the nozzle of said cleaner.
  • a device for exhibiting suction cleaners comprising carpeting arranged on rolls so as to have an exposed horizontally extending portion, a suction cleaner having a nozzle overlying and presented toward the horizontally extending portion of said carpeting, and means for moving said carpeting relative to said cleaner in a direction carpeting relative to said cleaner in a direction corresponding with movement from front to rear of said cleaner, and means for beating the horizontally extending portion of said carpeting adjacent the nozzle of said cleaner and during movement of said carpeting.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Description

' July 16,: 1946. A. J. CHAPMAN 2,404,040
DEMONSTRATING DEVICE FOR VACUUM CLEANERS Filed Sept. 25, 1944 a: INVENTOR.
Patented July 16, 1946 DEMONSTRATING DEVICE FOR VACUUM CLEANERS Archibald J. Chapman, Grosse Pointe, Mich., assignor to Eureka Williams Corporation, a corporation of Michigan Application September 25, 1944, Serial No. 555,689
9 Claims.
This invention relates to exhibiting and demonstrating devices for vacuum. cleaners and has particular reference to a new and improved device ior exhibiting and demonstrating a vacuum cleaner in a very convenient and effective manner.
A principal object of the invention is to provide a new and improved device for exhibiting and demonstrating a vacuum cleaner.
Other objects and advantages of the invention will be apparent from a consideration of the following specification taken in conjunction with the accompanying drawing, of which there is one sheet and wherein:
Fig. 1 is a perspective view of the device embodying the invention;
Fig. 2 is a side elevational view thereof with the case removed in order to illustrate the working parts of the mechanism and taken generally along the line 2-2 of Fig. 1; and
Fig. 3 is a fragmentary sectional view taken generally along the line 3-3 of Fig. 1.
The device comprises in general a unit having a vacuum cleaner Ill positioned thereon. The
' unit includes a suitable case l2 enclosing a base l4 upon which a plurality of drums l6. I8, 20 and 22 are rotatably mounted, the drums l6 and 22 having their shafts journaled in bearings 24 which are adjustably mounted in a suitable bearing retainer 26. Rollers 30 and 32 positioned close together with their axes arranged parallel are arranged above the drums l8 and 20. An endless strip of carpeting 34 is arranged on the drums 20 and 22 and the roller 32, while another endless strip of carpeting 36 is arranged on the drums l6 and I8 and the roller 30. The two strips of carpeting are arranged in alignment and each has upper horizontally extending portions or runs extending between the roller 32 and the drum 22 and the roller 30 and the drum l respectively. Such horizontal portions are visible through opening 38 provided in the upper surface of the case 12. and the cleaner II] is arranged as illustrated to straddle the joint or break between the hori zontally extending portions of the strips 34 and 36 of carpeting.
The width of the nozzle of the cleaner l0 may be slightly greater than that of the opening 38 so that the ends of the cleaner will rest upon the top of the case l2 at the side of the opening 33, and a bar 42 spanning the opening 38 beneath the cleaner Ill may be provided for supporting the rear end of the cleaner above the strips of carpeting 34 and 36.
The drums l8 and 20 are provided with sprockextending run of the carpet 34, and this beater 52 is connected by a belt and pulley drive 55 to one of the sprockets 44 so that during operation of the motor the beater 52 will be driven.
The beater 52 is arranged to beat the under side of the carpet 34 a short distance ahead of the front of the cleaner In so as to make the carpet vibrate at the region immediately in front of the cleaner Ill. The carpet 34 has permanently secured to the exposed surface thereof suitable material of a cotton or linty nature so as to simulate the appearance of a dirty carpet. The carpet 36 must be of the same character and color as the carpet 34 but is clean and free from lint, dirt, etc.
During the operation of the motor 48 the pulley 44 will be driven in a counterclockwise direction so as to drive the strips 34 and 35 of carpeting in the direction indicated by the arrows in Fig. 2. This will give the appearance of a dirty carpet passing under the nozzle of the cleaner and a clean carpet moving away from the back end of the cleaner. The action of the beater 52 at this time will simulate the action of the brush or agitator of the cleaner in beating the carpet. The horizontal run of the carpet 36 may pass over a flat solid surface so as to eliminate the possibility of this part of the carpet vibrating during the operation of the device.
The motor of the vacuum cleaner may be turned on during the operation of the device if desired, although it is not necessary. In order to give a more realistic appearance to the cleaner if the same is not operated during the operation of the device, the bag of the cleaner may be fixed in a distended position by any suitable means so as to give the appearance of a vacuum cleaner bag during normal cleaner operation.
One of the principal advantages inherent in this device is that with it it is possible to provide a demonstration in a store without the use of an operator.
While the invention has been described with some detail, it is to be understood that the description is for the purposeof illustration only and is not definitive of the limits of the inventive idea. The right is reserved to make such changes in the details of construction and arrangement of parts as will fall within the purview of the attached claims.
I claim:
1. A device for exhibiting suction cleaners comprising a piece of carpeting arranged so as to have an exposed horizontally extending .portion, said piece of carpeting having litter or dirt secured thereto, a second piece of clean carpeting arranged so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces I of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, and means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner.
2. A device for exhibiting suction cleaners comprising a piece of carpeting arranged so as to have an exposed horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second piece of clean carpeting arranged so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner, and means below the carpeting operative for beating the horizontally extending portion of the firstmentioned piece of carpeting in a zone adjacent the nozzle of said cleaner and simultaneously with movement of said carpeting cleaner.
3. A device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have an exposed horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said firstmentioned piece, and means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner.
4. A device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have an exposed horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have an exposed horizontally extending portion in line with and adjoining that of said firsti entioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement rom front to rear of said cleaner, and means for beating the horizontally extending portion of the first-mentioned piece of carpeting in a zone adjacent the nozzle of said cleaner and simultaneously with movement of said carpeting 5. A device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have an exposed horizontall extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have an exposed horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said firstmentioned piece, means for moving both of said,
pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner, and means beneath the horizontally extending portion of the first-mentioned piece of carpeting for beating the same adjacent the nozzle of the cleaner and simultaneously with movement of said carpeting.
G. A device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have a horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have a horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a casing enclosing said carpeting and having an elongated opening in the upper surface thereof through which said horizontally extending portions are exposed, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means within said casing for moving both of said pieces of carpeting relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner.
'7. A device for exhibiting suction cleaners comprising an endless piece of carpeting arranged on rolls so as to have a horizontally extending portion, said piece of carpeting having litter or dirt secured thereto, a second endless piece of clean carpeting arranged on rolls so as to have a horizontally extending portion in line with and adjoining that of said first-mentioned piece of carpeting, a casing enclosing said carpeting and having an elongated opening in the upper surface thereof through which said horizontally extending portions are exposed, a suction cleaner overlying the gap between the horizontally extending portions of said pieces of carpeting and having its nozzle arranged over and presented toward said first-mentioned piece, means within said casing for moving both of said pieces of carpetlng relative to said cleaner at substantially the same speed and in a direction corresponding with movement from front to rear of said cleaner, and means for beating the horizontall extending portion of the first-mentioned piece of carpeting in a zone adjacent the nozzle of said cleaner.
8. A device for exhibiting suction cleaners comprising carpeting arranged on rolls so as to have an exposed horizontally extending portion, a suction cleaner having a nozzle overlying and presented toward the horizontally extending portion of said carpeting, and means for moving said carpeting relative to said cleaner in a direction carpeting relative to said cleaner in a direction corresponding with movement from front to rear of said cleaner, and means for beating the horizontally extending portion of said carpeting adjacent the nozzle of said cleaner and during movement of said carpeting.
ARCHIBALD J. CHAPMAN.
US555689A 1944-09-25 1944-09-25 Demonstrating device for vacuum cleaners Expired - Lifetime US2404040A (en)

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