US3574880A - Rotary brush - Google Patents

Rotary brush Download PDF

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Publication number
US3574880A
US3574880A US781355A US3574880DA US3574880A US 3574880 A US3574880 A US 3574880A US 781355 A US781355 A US 781355A US 3574880D A US3574880D A US 3574880DA US 3574880 A US3574880 A US 3574880A
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Prior art keywords
sleeve
tuft
core
brush
filament
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Expired - Lifetime
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US781355A
Inventor
Donald N Butzen
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LOS ANGELES BRUSH Mfg CORP
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LOS ANGELES BRUSH Mfg CORP
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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/005—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for dry-cleaning
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

Definitions

  • a rotary brush for use in cleaning, drying and polishing produce comprising a core with filament extending therefrom and adapted to be arranged in a substantially horizontal plane laterally adjacent a plurality of similar brushes.
  • Patented April 1a 1911 3,574,880
  • Rotary brushes have made a significant contribution to the fruit and vegetable processing industry. Fruit and vegetables are subject to the critical approval of the modern homemaker and today, more than ever, there is a desire for clean, better looking, and better lasting produce.
  • the smart packer or processer is taking advantage of this desire through the use of a variety of rotary brushes now offered for cleaning, polishing and waxing purposes.
  • the present brushes generally include a wood core which consists of hard wood mandrels with fibers stapled to the wood core. It has been desirable to use wood because of its penetrable qualities which allow for easy and proper stapling of the filament
  • wood core brushes are seasoned at the beginning and end of a run. That is, when the brushes are idle they are removed from the machine and stored on end in a well-ventilated area and then before being put back'into service the brushes are soaked with water daily for two or three days.
  • Another partial solution has been to insert a steel pipe axially within the wooden mandrel. Neither of these solutions have been entirely satisfactory.
  • FlG. 2 is a cross section of a portion of the brush.
  • FIG. 3 is a perspective view of one end of the brush disassembled.
  • this invention is a rotary brush having a rigid inner member and a penetrable outer member concentric with the inner member to form a core.
  • the fibers are attached to the outer member and the ends of the core are adapted to be releasably connected to a rotating body.
  • the rotary brush generally designated 10, includes a core 11 with filling material or filament 12 attached to the core 11.
  • the core consists of a rigid inner member 13 and a penetrable outer member 14.
  • the inner member 13 is a hollow steel cylinder.
  • the outer member or sleeve 14 includes a pair of concentric tubular members 14a and 14b, each a plastic material, preferably polyethylene.
  • the rigid inner member 13 is press fitted'into the outer member 14 and is concentric with the outer member 14.
  • the wall thickness of each of the tubular members 14a and 14b is such that each member can be produced by the process of extruding, but together they are thick enough for staple setting or attaching of the filament of fill material 12.
  • the outer surface of the sleeve 14 is provided with a plurality of circumferential tuft holes 15 extending radially inwardly and spaced axially at regular intervals.
  • Each tuft hole 15 receives a plurality of fibers or fill material 12.
  • a staple 16 secures the fibers within the tuft hole to the outer member 14. The ends of each staple 16 are wedged against the outer surface of the inner member 13 to maintain each staple in a tight-fitting position. This type of staple fastening of the fibers within circumferential tuft holes allows for easy clean out of small debris that stick to the core and also prevents larger particles from collecting on the core.
  • a cap 17 Mounted axially within each end of the inner member 13 is a cap 17 which allows the brush to be releasably attached to a rotating member within the produce-cleaning or polishing machine.
  • the cap 17 is preferably heat treated steel or grey cast iron.
  • An annular flange 18 on the cap 17 abuts the ends of the inner and outer members 13 and 14.
  • the end of the cap which extends beyond the flange 18 includes a square bore which receives a square shaft (not shown) which rotates the brush.
  • Cap 17 may also be designed to accommodate a round shaft and square key to support and drive the brush.
  • a roll pin 19 near each end of the core passes through aligned openings 20, 21 and 22 in the outer member 14, inner member 13 and cap- 17, respectively, for securing the three members.
  • a similar opening 23 in the cap 17 extends into the square bore and receives a roll pin (not shown) after the shaft (also not shown) is received.
  • each member may be varied to suit may particular instance.
  • An example of the size of a typical brush is as follows:
  • the inner steel member 13 has a wall thickness of approximately 0.049 inches thick and the polyethylene tubular members each have a wall thickness of 9/32 inches.
  • the overall length of the inner and outer member is 48 inches.
  • the cap is approximately 3 inches long and extends 1% inches beyond the ends of the inner and outer members 13 and 14.
  • the diameter of the core is 2% inches.
  • the fiber attached to the outer member extends with )4; inch of the ends of the inner and outer members 13 and 14.
  • the distance that the fibers project radially from the core may vary according to the particular use of the brush.
  • the density of the filling material or fiber and the type of fibers are also varied according to the particular use,
  • the present rotary brush is warp free and not susceptible to splitting or chipping when subjected to moisture.
  • the plastic sleeve holds the stapled filament securely and allows for easy cleanout of small debris and prevents collection of larger debris.
  • the brushes include reversible end castings with square bores for a proper fit on the shaft ends.
  • a rotary brush particularly adaptable for use in moist conditions comprising:
  • a penetrable plastic sleeve mounted concentrically on and in engagement with the outer surface of said mandrel, said sleeve having a plurality of cireumferentially spaced and inwardly extending tuft bores terminating at a particular distance from said mandrel;
  • each said staple member penetrating said sleeve and securing a tuft of filament against said sleeve at the termination of said tuft bore;
  • each said staple member is substantially deformed by said mandrel and clinched between said mandrel and said sleeve whereby said tufts of filament are securely anchored to said sleeve.
  • each end of said mandrel is provided with a releasably secured end cap, each said end cap fitting axially within the end of said mandrel and adapted to be connected to means for rotating the brush.
  • said sleeve comprises a pair of concentric extruded plastic members with said tuft bores in said outer concentric plastic member and said staple members penetrating said inner concentric plastic member.
  • An apparatus having a plurality of laterally adjacent rotatable brushes arranged in a substantially horizontal plane, each said brush comprising:
  • a metal core a penetrable plastic sleeve concentrically mounted on and in engagement with the outer surface of said core, said sleeve having a plurality of circumferentially spaced and inwardly extending tuft bores terminating at a particular distance from said core;

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Brushes (AREA)

Abstract

A rotary brush for use in cleaning, drying and polishing produce comprising a core with filament extending therefrom and adapted to be arranged in a substantially horizontal plane laterally adjacent a plurality of similar brushes.

Description

Unite States Patet lnventor Donald N. Butzen Arcadia, Calif. Appl. No. 781,355 Filed Dec. 5, 1968 Patented Apr. 13, 1971 Assignee Los Angeles Brush Manufacturing Corporation Los Angeles, Calif.
ROTARY BRUSH 5 Claims, 3 Drawing Figs.
US. Cl 15/179, 15/ 1 95 Int. Cl ..A46b 13/02, A46b 3/ 1 6 Field of Search 15/179- Primary Examiner-Peter Feldman Att0rney-Lyon and Lyon ABSTRACT: A rotary brush for use in cleaning, drying and polishing produce comprising a core with filament extending therefrom and adapted to be arranged in a substantially horizontal plane laterally adjacent a plurality of similar brushes.
Patented April 1a, 1911 3,574,880
INVENTOR. DONALD lV. 5U7IZN ROTARY BRUSH This invention relates to a brush and particularly to a rotary brush of the type used for cleaning, drying and polishing fruits and vegetables.
Rotary brushes have made a significant contribution to the fruit and vegetable processing industry. Fruit and vegetables are subject to the critical approval of the modern homemaker and today, more than ever, there is a desire for clean, better looking, and better lasting produce. The smart packer or processer is taking advantage of this desire through the use of a variety of rotary brushes now offered for cleaning, polishing and waxing purposes.
The present brushes generally include a wood core which consists of hard wood mandrels with fibers stapled to the wood core. It has been desirable to use wood because of its penetrable qualities which allow for easy and proper stapling of the filament However, an ever present problem associated with wood core brushes is the checking, splitting and warping of the wood when it is subjected to moisture. To minimize this problem the brushes are seasoned at the beginning and end of a run. That is, when the brushes are idle they are removed from the machine and stored on end in a well-ventilated area and then before being put back'into service the brushes are soaked with water daily for two or three days. Another partial solution has been to insert a steel pipe axially within the wooden mandrel. Neither of these solutions have been entirely satisfactory.
Therefore, it is a primary object of this invention to provide a brush which is suitable for stable setting of the filament and will not warp, chip or split when subjected to moisture. In accordance with this object, the brush should be easy to assemble and require a minimum of parts.
Other and further objects and advantages of this invention will be apparent from the following drawings and description.
IN THE DRAWINGS HO. 1 is a plan view of the brush.
FlG. 2 is a cross section of a portion of the brush.
FIG. 3 is a perspective view of one end of the brush disassembled.
Briefly, this invention is a rotary brush having a rigid inner member and a penetrable outer member concentric with the inner member to form a core. The fibers are attached to the outer member and the ends of the core are adapted to be releasably connected to a rotating body.
Referring to the drawings, the rotary brush generally designated 10, includes a core 11 with filling material or filament 12 attached to the core 11.
The core consists of a rigid inner member 13 and a penetrable outer member 14. The inner member 13 is a hollow steel cylinder. The outer member or sleeve 14 includes a pair of concentric tubular members 14a and 14b, each a plastic material, preferably polyethylene. The rigid inner member 13 is press fitted'into the outer member 14 and is concentric with the outer member 14. The wall thickness of each of the tubular members 14a and 14b is such that each member can be produced by the process of extruding, but together they are thick enough for staple setting or attaching of the filament of fill material 12. The outer surface of the sleeve 14 is provided with a plurality of circumferential tuft holes 15 extending radially inwardly and spaced axially at regular intervals. Each tuft hole 15 receives a plurality of fibers or fill material 12. A staple 16 secures the fibers within the tuft hole to the outer member 14. The ends of each staple 16 are wedged against the outer surface of the inner member 13 to maintain each staple in a tight-fitting position. This type of staple fastening of the fibers within circumferential tuft holes allows for easy clean out of small debris that stick to the core and also prevents larger particles from collecting on the core.
Mounted axially within each end of the inner member 13 is a cap 17 which allows the brush to be releasably attached to a rotating member within the produce-cleaning or polishing machine. The cap 17 is preferably heat treated steel or grey cast iron. An annular flange 18 on the cap 17 abuts the ends of the inner and outer members 13 and 14. The end of the cap which extends beyond the flange 18 includes a square bore which receives a square shaft (not shown) which rotates the brush. Cap 17 may also be designed to accommodate a round shaft and square key to support and drive the brush.
A roll pin 19 near each end of the core passes through aligned openings 20, 21 and 22 in the outer member 14, inner member 13 and cap- 17, respectively, for securing the three members. A similar opening 23 in the cap 17 extends into the square bore and receives a roll pin (not shown) after the shaft (also not shown) is received.
The size of each member may be varied to suit may particular instance. An example of the size of a typical brush is as follows: The inner steel member 13 has a wall thickness of approximately 0.049 inches thick and the polyethylene tubular members each have a wall thickness of 9/32 inches. The overall length of the inner and outer member is 48 inches. The cap is approximately 3 inches long and extends 1% inches beyond the ends of the inner and outer members 13 and 14. The diameter of the core is 2% inches. The fiber attached to the outer member extends with )4; inch of the ends of the inner and outer members 13 and 14. The distance that the fibers project radially from the core may vary according to the particular use of the brush. The density of the filling material or fiber and the type of fibers are also varied according to the particular use,
ln operation these .brushes are arranged in a horizontal plane adjacent to each other and each brush is rotated in the same direction. The fruit or vegetable passes over the brush and as it is passed over the brush the fibers clean, dry or polish the produce.
The present rotary brush is warp free and not susceptible to splitting or chipping when subjected to moisture. The plastic sleeve holds the stapled filament securely and allows for easy cleanout of small debris and prevents collection of larger debris. The brushes include reversible end castings with square bores for a proper fit on the shaft ends.
Having fully described my invention, it is to be understood that I am not to be limited to the details herein set forth, but that my invention is of the full scope of the appended claims.
lclaim:
1. A rotary brush particularly adaptable for use in moist conditions, comprising:
a rigid metal mandrel;
a penetrable plastic sleeve mounted concentrically on and in engagement with the outer surface of said mandrel, said sleeve having a plurality of cireumferentially spaced and inwardly extending tuft bores terminating at a particular distance from said mandrel;
tufts of filament extending radially outward from said sleeve, each said tuft of filament received by one of said tuft bores;
staple members, each said staple member penetrating said sleeve and securing a tuft of filament against said sleeve at the termination of said tuft bore;
said distance between the termination of each said tuft bore and said mandrel being such that each said staple member is substantially deformed by said mandrel and clinched between said mandrel and said sleeve whereby said tufts of filament are securely anchored to said sleeve.
2. The brush of claim 1, wherein each end of said mandrel is provided with a releasably secured end cap, each said end cap fitting axially within the end of said mandrel and adapted to be connected to means for rotating the brush.
3. The brush of claim 1, wherein said sleeve comprises a pair of concentric extruded plastic members with said tuft bores in said outer concentric plastic member and said staple members penetrating said inner concentric plastic member.
4. The brush of claim 1, wherein said plastic sleeve is polyethylene.
5. An apparatus having a plurality of laterally adjacent rotatable brushes arranged in a substantially horizontal plane, each said brush comprising:
a metal core; a penetrable plastic sleeve concentrically mounted on and in engagement with the outer surface of said core, said sleeve having a plurality of circumferentially spaced and inwardly extending tuft bores terminating at a particular distance from said core;
tufts of filament extending radially outward from said sleeve, each said tuft of filament received by one of said tuft bores;
staple members securing said tufts of filament within said

Claims (5)

1. A rotary brush particularly adaptable for use in moist conditions, comprising: a rigid metal mandrel; a penetrable plastic sleeve mounted concentrically on and in engagement with the outer surface of said mandrel, said sleeve having a plurality of circumferentially spaced and inwardly extending tuft bores terminating at a particular distance from said mandrel; tufts of filament extending radially outward from said sleeve, each said tuft of filament received by one of said tuft bores; staple members, each said staple member penetrating said sleeve and secuRing a tuft of filament against said sleeve at the termination of said tuft bore; said distance between the termination of each said tuft bore and said mandrel being such that each said staple member is substantially deformed by said mandrel and clinched between said mandrel and said sleeve whereby said tufts of filament are securely anchored to said sleeve.
2. The brush of claim 1, wherein each end of said mandrel is provided with a releasably secured end cap, each said end cap fitting axially within the end of said mandrel and adapted to be connected to means for rotating the brush.
3. The brush of claim 1, wherein said sleeve comprises a pair of concentric extruded plastic members with said tuft bores in said outer concentric plastic member and said staple members penetrating said inner concentric plastic member.
4. The brush of claim 1, wherein said plastic sleeve is polyethylene.
5. An apparatus having a plurality of laterally adjacent rotatable brushes arranged in a substantially horizontal plane, each said brush comprising: a metal core; a penetrable plastic sleeve concentrically mounted on and in engagement with the outer surface of said core, said sleeve having a plurality of circumferentially spaced and inwardly extending tuft bores terminating at a particular distance from said core; tufts of filament extending radially outward from said sleeve, each said tuft of filament received by one of said tuft bores; staple members securing said tufts of filament within said tuft bores and penetrating the portion of said sleeve between the termination of each said tuft bore and said core; said distance between the termination of each said tuft bore and said core being such that each said staple member is substantially deformed by said core and clinched between said core and said sleeve whereby said tufts of filament are securely anchored to said sleeve; means releasably attached to each end of said core and adapted to be connected to power driven means for rotating the brush.
US781355A 1968-12-05 1968-12-05 Rotary brush Expired - Lifetime US3574880A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921245A (en) * 1974-09-30 1975-11-25 Gaylord J Clark Cylindrical brush with stub shaft support
US3971097A (en) * 1974-09-30 1976-07-27 Clark Gaylord J Cylindrical brush with stub shaft support
US4741066A (en) * 1984-04-11 1988-05-03 Lion Corporation Brush
US4779932A (en) * 1984-12-17 1988-10-25 L.A. Brush Manufacturing Corp. Bristle filled sleeve and method of filling and using same
US5378051A (en) * 1989-09-18 1995-01-03 Oy C.E. Lindren Ab Method of making a brush element for a brush roller
US20040031117A1 (en) * 2002-08-13 2004-02-19 Gaser Joseph P. Power operated brush and method
US20050172438A1 (en) * 2004-01-29 2005-08-11 Applied Materials, Inc. Methods and apparatus for installing a scrubber brush on a mandrel
US20070209135A1 (en) * 2006-03-07 2007-09-13 Applied Materials, Inc. Scrubber brush with sleeve and brush mandrel for use with the scrubber brush
CN104759423A (en) * 2015-04-14 2015-07-08 夏云美 Rolling brush for cleaning ceramic tubes
US20170188696A1 (en) * 2015-12-31 2017-07-06 Landmann Usa Surface Cleaning Brush
US20170273522A1 (en) * 2010-11-05 2017-09-28 Bissell Homecare, Inc. Vacuum cleaner

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US648527A (en) * 1899-08-31 1900-05-01 Josias H Richards Rotary brush.
US1482744A (en) * 1921-05-12 1924-02-05 Heffernan Brush Company Inc Brush
US1978489A (en) * 1933-11-29 1934-10-30 Robert J Dunn Brush
US2244110A (en) * 1939-03-17 1941-06-03 Fmc Corp Fruit brusher
US2879534A (en) * 1956-04-19 1959-03-31 Tennant Co G H Rotary brush
GB842185A (en) * 1956-10-29 1960-07-20 Luciano Crotti Improvements in hollow rotary tools, e.g. brushes
CA634161A (en) * 1962-01-09 Kristensen Leif Brush
US3246378A (en) * 1958-11-27 1966-04-19 Monforts Maschinenfabrik A Napping machine
US3329986A (en) * 1965-05-27 1967-07-11 Lloyd G Hackworth Rotary brush

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA634161A (en) * 1962-01-09 Kristensen Leif Brush
US648527A (en) * 1899-08-31 1900-05-01 Josias H Richards Rotary brush.
US1482744A (en) * 1921-05-12 1924-02-05 Heffernan Brush Company Inc Brush
US1978489A (en) * 1933-11-29 1934-10-30 Robert J Dunn Brush
US2244110A (en) * 1939-03-17 1941-06-03 Fmc Corp Fruit brusher
US2879534A (en) * 1956-04-19 1959-03-31 Tennant Co G H Rotary brush
GB842185A (en) * 1956-10-29 1960-07-20 Luciano Crotti Improvements in hollow rotary tools, e.g. brushes
US3246378A (en) * 1958-11-27 1966-04-19 Monforts Maschinenfabrik A Napping machine
US3329986A (en) * 1965-05-27 1967-07-11 Lloyd G Hackworth Rotary brush

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971097A (en) * 1974-09-30 1976-07-27 Clark Gaylord J Cylindrical brush with stub shaft support
US3921245A (en) * 1974-09-30 1975-11-25 Gaylord J Clark Cylindrical brush with stub shaft support
US4741066A (en) * 1984-04-11 1988-05-03 Lion Corporation Brush
US4779932A (en) * 1984-12-17 1988-10-25 L.A. Brush Manufacturing Corp. Bristle filled sleeve and method of filling and using same
US5378051A (en) * 1989-09-18 1995-01-03 Oy C.E. Lindren Ab Method of making a brush element for a brush roller
US20040031117A1 (en) * 2002-08-13 2004-02-19 Gaser Joseph P. Power operated brush and method
US6974193B2 (en) * 2002-08-13 2005-12-13 Jason Incorporated Power operated brush and method
US7779527B2 (en) 2004-01-29 2010-08-24 Applied Materials, Inc. Methods and apparatus for installing a scrubber brush on a mandrel
US20050172438A1 (en) * 2004-01-29 2005-08-11 Applied Materials, Inc. Methods and apparatus for installing a scrubber brush on a mandrel
US20090025197A1 (en) * 2004-01-29 2009-01-29 Applied Materials, Inc. Methods and apparatus for installing a scrubber brush on a mandrel
US20090031516A1 (en) * 2004-01-29 2009-02-05 Applied Materials, Inc. Methods and apparatus for installing a scrubber brush on a mandrel
US20070209135A1 (en) * 2006-03-07 2007-09-13 Applied Materials, Inc. Scrubber brush with sleeve and brush mandrel for use with the scrubber brush
US8407846B2 (en) 2006-03-07 2013-04-02 Applied Materials, Inc. Scrubber brush with sleeve and brush mandrel for use with the scrubber brush
US20170273522A1 (en) * 2010-11-05 2017-09-28 Bissell Homecare, Inc. Vacuum cleaner
US9993127B2 (en) * 2010-11-05 2018-06-12 Bissell Homecare, Inc. Vacuum cleaner
US10820764B2 (en) 2010-11-05 2020-11-03 Bissell Inc. Vacuum cleaner
US11903550B2 (en) 2010-11-05 2024-02-20 Bissell Inc. Vacuum cleaner
CN104759423A (en) * 2015-04-14 2015-07-08 夏云美 Rolling brush for cleaning ceramic tubes
US20170188696A1 (en) * 2015-12-31 2017-07-06 Landmann Usa Surface Cleaning Brush

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