US3469328A - Adjustable hair-dryer hoods - Google Patents

Adjustable hair-dryer hoods Download PDF

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Publication number
US3469328A
US3469328A US738897A US3469328DA US3469328A US 3469328 A US3469328 A US 3469328A US 738897 A US738897 A US 738897A US 3469328D A US3469328D A US 3469328DA US 3469328 A US3469328 A US 3469328A
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United States
Prior art keywords
section
hood
wall
walls
hair
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Expired - Lifetime
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US738897A
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English (en)
Inventor
Martin M Handler
Jon Gulfo
Jerome B Bonat
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Samuel Bonat & Bro Inc
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Samuel Bonat & Bro Inc
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/44—Hair-drying helmets whereon the ventilating means and the heating means are apart from the helmet

Definitions

  • a hair-dryer hood which is adjustable within a given range of drying positions as well as between drying and non-drying positions.
  • the hood has fixed and movable quadrispheroidal telescopable sections each provided with inner and outer interconnected walls defining between themselves in fully extended position of the movable section a hemispheroidal chamber toreceive a gaseous drying medium.
  • These hood sections respectively terminate in cooperating open ends which overlap each other to provide communication between the quadrispheroidal chambers of the two sections.
  • the inner and outer walls of the movable section are movable along the inner and outer walls of the fixed section between a fully extended position where the section walls overlap each other to a minimum extent and a retracted position where the section walls overlap each other to a maximum extent.
  • the movable section when in extended position, provides the hood with a configuration substantially surrounding a body of hair which is to be dried, while, when the movable section is in its fully retracted position, it provides the hood with a configuration giving free, substantially unobstructed movement of the body of hair to and from the hood.
  • the present invention relates to hair dryers.
  • the present invention relates to hairdryer hoods.
  • Such a hood conventionally surrounds the body of hair which is to be dried during operation of the hair dryer. Because the patron whose hair is being dried.is seated beneath the hood with her head within the hood, it is diificult for her to move to and from the hood while the latter remains stationary. For this reason it is conventional to provide hair dryers with movable hoods which can be displaced vertically toward and away from the body of hair which is to be dried. However, even when such movable hoods are counterbalanced they can be moved only with considerable difliculty by the person whose hair is being dried, so that it is necessary with conventional hair dryers for a beauty parlor attendant to displace the hood between its drying and non-drying positions.
  • Multipart hoods while enabling easier access to and withdrawal of the patrons head, have not been adjustable as to area heated, are insufliciently easy and simple to open and tend to pinch stray tendrils or tresses of hair where the junction between the parts overlies the patrons hair.
  • a further problem encountered in hair drying hoods is that the bodies of hair which are to be dried extend over different areas depending upon the particular hair style and the size of the body of hair.
  • Conventional hoods will invariably heat a given predetermined area so that irrespective of the size of the body of hair and the hair style the same area will have the heated gaseous drying medium applied thereto.
  • the drying medium is directed toward areas where hair may not be located, but also there is waste of energy and other ineificiencies.
  • hood of the above type structures which will compensate for wear of the hood components and will maintain a desired frictional engagement between movable and fixed hood sections.
  • the hood includes fixed and movable quadrispheroidal telescopable sections, each having inner and outer interconnected walls defining between themselves in extended position a quadrispheroidal chamber for receiving a gaseous drying medium, the inner walls being formed with apertures through which the drying medium can be forced out under a mild pressure.
  • These chambers terminate in cooperating open ends which overlap each other to provide for communication between the chambers in all relative positions thereof, and a duct for supplying the gaseous drying medium is connected to the outer wall of one of the hood sections, preferably the fixed section, to communicate with the chamber thereof for supplying both chambers with the gaseous drying medium.
  • the interconnected inner and outer walls of the movable section are respectively movable along the inner and outer interconnected walls of the fixed section between a fully extended position where the walls overlap each other to a minimum extent and a retracted position where the walls overlap each other to a maximum extent.
  • the hood is of hemispheroidal shape and substantially surrounds the body of hair which is to be dried while when the movable section is in its retracted position, free, unobstructed movement of the patrons head to and from the hood is assured because the hood then is of quadrispheroidal shape.
  • the movable section can be partially retracted to a somewhat less than hemispheroidal shape for suitable adjustment to the brow line of patrons head of hair.
  • FIG. 1 is a schematic perspective illustration of a dryer which is provided with a hood of the present invention
  • FIG. 2 is a longitudinal sectional elevation taken along line 22 of FIG. 1 in the direction of the arrows and showing, at an enlarged scale as compared to FIG. 1, details of one embodiment of a hood of the invention;
  • FIG. 3 is a top plan view of the structure of FIG. 2 at a scale smaller than FIG. 2;
  • FIG. 4 is a transverse sectional elevation of the structure of FIG. 3 taken along line 4-4 of FIG. 3 in the direction of the arrows and showing the structure at a scale which is enlarged as compared to FIG. 3;
  • FIG. 5 is a transverse partly sectional elevation of the hood of the invention as seen when looking from the rear thereof, the supply duct for the drying medium being shown in section in FIG. 5;
  • FIG. 6 is a longitudinal partly sectional elevation, taken in a plane corresponding to that of FIG. 2, but showing another embodiment of a hood of the invention.
  • FIG. 1 shows a hair dryer 10 which includes a cabinet 12 supported on suitable roller assemblies 14, so that the entire hair dryer can be easily transported to a location behind a patrons chair.
  • a blower which draws air in from the ambient atmosphere through a suitable filter, for example.
  • the air is heated by suitable electrical heating elements, an unillustrated line electric cord being connected by a suitable plug to an unillustrated electric wall outlet to provide the electrical energy for activating the motordriven blower as well as for energizing the air-heating elements.
  • a suitable control panel 16 is situated at the top of the cabinet 12, and with this known structure a suitable drying medium, which in this case is air at an elevated temperature, is directed upwardly through a duct 18 to a hood 20 of the present invention.
  • the hood 20 of the invention includes a fixed hood section 22 and a movable hood section 24.
  • the fixed hood section 22 is directly connected to and carried by the duct 18, while the movable hood section 24 is carried by and movable with respect to the fixed section 22, so that the entire hood 20 is in fact carried by the duct 18.
  • the duct 18 and the hood 20 are made of suitable, substantially rigid but springy synthetic plastics, such as polystyrene, polyvinylchloride, or the like, capable of being easily fabricated and capable of easily withstanding the mildly elevated temperature of the gaseous hairdrying medium without deformation.
  • the hood sections 22 and 24 each have substantially the configuration of a quarter of a sphere, actually in the hood 20 being described slightly more.
  • the hood section 22 has an inner wall 26 (See FIGS. 2 and 4) and an imperforate outer wall 28, and the inner wall 26 is formed with a multitude of small apertures 30.
  • the walls 26 and 28 define between themselves a quadrispheroidal chamber 32 for the mildly heated gaseous hair-drying medium.
  • the bottom and distal end edges of the inner wall 26 terminate in an outwardly directed semi-circular flange 34 connected with a correspondingly positioned inwardly directed flange 36 of the outer wall 28 as by being welded thereto through ultrasonic welding, for eX- ample.
  • the chamber 32 is closed at the bottom and p 4 distal end of the fixed hood section 22 by the semicircular end Wall composed of the cooperating flanges 34, 36.
  • the opposite (proximal) ends of the walls 26 and 28 are spaced from each other to provide the chamber 32 with an open proximal end 58 which is also of substantially semi-circular configuration, and said open end 58 of the hood section 22 is situated in a plane which is substantially'at right angles to the bottom wall 34-36.
  • the outer wall 28 of the fixed section 22 is provided with a rearwardly directed tubular extension 38 as well as with reinforcing ribs 40 extending between the exterior surface of the wall 28 and the end of the tubular extension 38.
  • the duct 18 is received in the tubular extension 38 and fixed thereto by screws 42, so that in this way the quadrispheroidal chamber 32 will receive the drying medium from the duct 18 which is of rectangular cross section, as shown in FIG. 5.
  • the movable hood section 24 has an inner wall 44 (see FIGS. '2 and 4) and an imperforate outer wall 46.
  • the inner wall 44 is formed with a multitude of small apertures 48.
  • the walls 44 and 46 define between themselves a quadrispheroidal chamber 50 for the mildly heated gaseous hair-drying medium.
  • the bottom and distal end edges of the inner wall 44 terminate in an outwardly directed flange 52 which is of semicircular configuration, and the outer wall 46 has a correspondingly positioned inwardly directed flange 54 to which the flange 52 is connected, as by being welded thereto through ultrasonic welding, for example.
  • the movable hood section 24 has -a bottom and distal end wall 52-54.
  • the proximal ends of the walls 46 and 48 extending from the bottom wall 52-54 are spaced from each other to provide for the movable hood section 24 a proximal open end 56 which is telescopically received within the proximal open end 58 of the fixed section 22.
  • the open end 56 of the movable section 24 is also of a substantially semicircular configuration and is situated in a plane which is substantially at right angles to the plane of the bottom wall 52-54.
  • a pivot means connects the movable section 24 to the fixed section 22 for turning movement with respect thereto about a horizontal axis which coincides with the axis of revolution of the quadrispherical parts which are formed by the sections 22 and 24, respectively.
  • the inner wall 44 of the movable section 24 is formed with a pair of tubular, open-ended axially aligned sleeves 60a and 60b respectively coincident with the aforesaid axis of revolution and extending from the inner wall 44 to the outer wall 46. These sleeves 60a and 60b terminate in end portions of reduced diameter received in openings which pass through the outer wall 46.
  • bosses 62a and 62b of the outer wall 46 which respectively terminate in end faces rotatably engaging the inner surface of the outer wall 28 of the fixed hood section 22, so that these bosses 62a and 62b provide for bearing and wear surfaces between the hood sections.
  • the inner wall 26 of the fixed hood section 22 is formed with a pair of circular bosses 64a and 64b respectively terminating in outer end faces rotatably engaging the inner wall 44 of the movable hood section 24 to provide wear and bearing surfaces for the movable section 24.
  • These bosses 64a and 64b are coaxial with the bosses 62a and 62b and extend around coaxial openings of the inner wall 26.
  • the outer wall 28 of the fixed section 22 is formed with a pair of additional coaxial openings through which a pair of pivot assemblies 66a and 66b of the pivot means respectively extend.
  • the pivot assemblies 66a and 66b which have a common pivot axis coincident with the aforesaid axis of revolution, respectively include outer knurled knobs 68a and 68b situated at the ends of shanks 70a and 70b, the inner ends of which fixedly carry threaded studs 72a and 72b respectively received in threaded bores of a pair of inner, headed nut members 74a and 74b.
  • knobs 68a and 68b it is possible to regulate the frictional engagement of the movable section 24 with respect to the fixed section 22 in the region of the pivot means so that the movable section will be frictionally held at any position to which it is turned in a manner described below.
  • the inner Walls 26 and 44 permanently overlap at least in part, and the outer Walls 22 and 46 also permanently overlap at least in part.
  • bosses 62a, 62b maintain the outer walls 28, 46 slightly spaced apart; likewise the bosses 64a, 64b maintain the inner walls 26, 44 slightly spaced apart.
  • a sealing means is situated between the inner walls and between the outer walls so that the gaseous drying medium cannot escape from between the slightly spaced apart inner walls or from between the slightly spaced apart outer walls.
  • the sealing means takes the form of an outer elastic foam tape 76 adhering to the inner surface of the outer wall 28 within the end 58 and slidably engaging the exterior surface of the outer wall 46 and a similar foam tape 78 adhering to the outer surface of the inner wall 26 within the end 58 and slidably engaging the exterior surface of the wall 44.
  • These sealing tapes 76 and 78 extend along the entire lengths of the free edges of the walls 26 and 28 which define the open end 58 of the fixed section 22.
  • the movable section 24 is turnable with respect to the fixed section 22 up to the fully extended position shown in solid lines in FIG. 2, and in this position the free (proximal) ends of the wall 5254 respectively abut against the free ends of the wall 34-36 so as to limit the movement of the movable section 24 with respect to the stationary section 22.
  • the walls 34-36 and 5254 are located in a common horizontal plane, and the open end 56 of the movable section extends into the open end 58 of the fixed section 22 with the inner and outer walls of the movable section overlapping the inner and outer walls of the fixed section, respectively, to a minimum extent.
  • the movable section 24 has at its front lower region an outwardly directed extension 80 forming a handle integral with the outer wall 46 and connected thereto through reinforcing ribs 82.
  • the person whose hair is being dried can at any time grasp that handle 80 and easily turn the movable section 24 in a clockwise direction, as viewed in FIG. 2, all the way to a fully retracted position where the end wall 52 assumes the position 52' in a substantially vertical plane which is substantially at right angles to the end wall 34.
  • the inner and outer walls thereof respectively overlap the inner and outer walls of the fixed section to a maximum extent.
  • the chamber 32 of the fixed section accommodates at the region of the end wall 34 an electric control switch 84 in the form of a suitable microswitch disposed to be engaged by an edge of the open end 58 of the movable section 24.
  • the microswitch has normally closed contacts in the circuits for the blower motor and air-heating elements.
  • an end edge portion of the movable section 24 will engage and actuate the switch 84 so as to turn the dryer oif automatically.
  • retraction of the movable section to fully telescoped position is limited by an elastomeric bumper 85 supported on a flange 85 integral with and extending inwardly from the inner Wall 26. This bumper is engaged by an end edge portion of the movable section just after the switch 84 is actuated as aforesaid.
  • a closure means is provided for maintaining the chambers 32 and 5t closed on one another during a given increment of turning of the movable section 24 from its fully extended po ition toward its retracted position. This is necessary in the form of hood being described because the two sections 22, 24 are larger than quarter-spheres and the pivotal axis is above the bottoms of the sections which would otherwise become disengaged upon partial telescoping movement.
  • the aforesaid closure means takes the form of a pair of arcuate mutually parallel shoes 86a and 86b which respectively form spaced extensions of the walls 52,
  • closure shoes 86a and 86b are joined by a wall 860 that extends along a cylinder whose axis coincides with the turning axis provided by the pivot means formed by the pair of pivot assemblies 66a and 66b.
  • the foam tape 78 has a pair of free end portions 78a and 7812 (FIG. 4) extending across the wall 34 at the free end of the latter, and these sealing portions 78a and 78b have a sliding engagement with the exterior curved surfaces of the closure wall 860 while the shoes slidingly engage the tapes 76, 78.
  • the angular distance through which the closure shoes and wall 860 extend is approximately 45, so that it is possible to turn the movable section 24 through an angular increment of approximately 45 from its fully extended position toward its retracted position before the closure shoes 86a and 86b and wall 86c will be turned beyond the fixed section to open the proximal ends of both of the chambers 32 and 50 to the outer atmosphere.
  • this range of 45 of adjustability of the movable section in the region of its fully extended position is adequate to adpt the hood to different sizes of bodies of hair and brow lines, and to different styles of hair in order to limit the flow of the heating or drying medium through the apertures 30 and 48 to the hair only and not undesirably to other regions of the head of the patron whose hair is being dried.
  • the hood of FIG. 6 also includes a fixed hood section 122 and a movable section 124, with the fixed hood section 122 communicating at its outer wall 128 with a supply duct 118 for the mildly heated drying medium.
  • the fixed section 122 includes, in addition to its outer wall 128, an inner wall 126 formed with a multitude of small apertures 130 and defining with the wall 128 an inner chamber 132 which receives the drying medium from the duct 118.
  • the inner wall 126 also terminates in a semi-circular end Wall 134 which may be welded, as by ultrasonic welding, to an outwardly directed flange 136 of the outer wall 128.
  • the movable section 124 has an outer wall 146 and an inner wall 144, the latter wall being formed with a multitude of small apertures 148.
  • the walls 144 and 146 define between themselves the chamber 150.
  • the inner wall 144 terminates in a semicircular end wall 152 which is welded to the outwardly directed flange 154 of the outer wall 146. It will be noted that with the embodiment of FIG. 6 the inner and outer walls of the fixed hood section 122 are respectively situated outwardly of the inner and outer walls of the movable section 124.
  • the fixed section 122 has a pair of inwardly directed semi-circular flanges 176
  • the movable section 124 has at its open proximal end 156 a pair of outwardly directed flanges 178 respectively extending from the walls 144 and 146 and interlocking with the flanges 176 to limit the turning of the movable section 124 to the extended position shown in FIG. 6.
  • the flanges 178 are respectively provided with suitable coverings of sealing material forming a sealing means which has slidable engagement with the inner surfaces of the walls 126 and 128. The sealing means in this case turns with the movable section 124.
  • the pivot means of this embodiment includes, at each side of the hood, a hinge assembly 180 provided with a pair of hinge members 182 and 184 respectively fixed to the walls 152 and 134 in the manner illustrated in FIG. 6.
  • the pivotally interconnected pairs of binge members 182 and 184 provide through their coaxial hinge pins 186 the turning axis for movement of the movable section 124 with respect to the fixed section 122.
  • the turning axis is situated directly at the region of the walls 134 and 152 and that the two sections are essentially true quarterspheres, so that a closure means need not be provided with this embodiment.
  • the walls 134 and 152 are coplanar in the fully extended position, and the walls of the movable section overlap the walls of the fixed section to a minimum extent.
  • the operator can at any time grasp the wall 152 and swing the movable section in a clockwise direction, as viewed in FIG. 6, to its fully retracted position or to any desired position therebetween.
  • the hinge assembly is tight enough to retain the movable section in any position to which it is swung and yet loose enough to enable it to be swung by the patron or operator.
  • the plane in which the walls 134 and 152 are located is substantially a diametral plane of the sphere of which the hood sections respectively form quarter spheres
  • the coplanar flanges 52 and 34 are situated in a plane which is parallel to but situated at a substantial distance below the diametral horizontal plane of the sphere which contains the turning axis of the movable section 24.
  • the components which form the hood can be easily and inexpensively manufactured and assembled.
  • the person whose hair is being dried can readily and conveniently place the hood in its retracted position where it is a simple matter for the person to move without any obstruction, by merely leaning or moving forwardly to and from the dryer. It no longer is necessary to have relative movement vertically between the head and the drier hood.
  • the hood it is possible for the hood to have not only the fully extended position but also a range of positions in the region of its fully extended position where the hood is adapted to the particular requirements of the body of hair which is to be dried.
  • a hood having a fixed approximately quarter of revolution section and a movable approximately quarter of revolution section, each section havlng an apertured inner wall and an imperforate outer wall spaced therefrom to define therewith an approximately quarter of revolution chamber for receiving a gaseous drying medium, and said sections respectively having overlapping open proximal ends through which said chambers communicate with each other, said inner and outer walls of said movable section respectively being movable along said inner and outer walls of said fixed section between an extended position of said movable section, where said walls thereof overlap said walls of said fixed section to a minimum extent, and a retracted position, where said walls of said movable section overlap said walls of said fixed section to a maximum extent, and a supply duct operatively connected with the outer wall of one of said sections for blowing said drying medium to said chamber of said one section to flow from the latter chamber into the chamber of the other section and out through said apertures of said inner walls of said sections, said movable section, when in its extended position, providing for
  • said closure means includes a pair of arcuate shoes extending from said movable section into said fixed section when said movable section is in its extended position and only being displaced from said fixed section after said movable section has been turned through said increment, and shoes being connected by an arcuate wall, said shoes and wall being concentric about the pivot means.
  • hood sections respectively have end walls extending angularly from said overlapping open proximal ends, respectively, located in a common plane when said movable section is in said extended position thereof, and respectively located in different planes when said movable section is in said retracted position thereof.
  • one of said sections has a pair of aligned diametrically opposed coaxial sleeves each having opposed open ends, and said sleeves extending between the inner and outer walls of the other section, said pivot means including a pair of pivot assemblies respectively extending through said sleeves, and said walls of said other section being respectively formed with openings aligned with said sleeves and through which said pivot assemblies extend to the interior and exterior of the hood.
  • each pivot assembly includes an inner threaded member extending from the interior of said one section into said sleeves and said pair of pivot assemblies respectively including a pair of outer threaded members threaded with said inner members and extending from the exterior of the other section into said sleeves.
  • one of said inner walls is provided with a pair of annular bosses surrounding said pivot assemblies, respectively, and terminating in end faces engaging the other of said inner walls to provide for bearing and Wear surfaces between said inner walls
  • one of said outer walls is also formed with a pair of annular bosses surrounding said pivot assemblies, respectively, and terminating respectively in end faces engaging the other of said outer walls to provide additional bearing and Wear surfaces for said sections, said bosses providing spacing between the inner walls of each section and the outer walls of each section, and sealing means to inhibit escape of the drying medium through said spacing.
  • FREDERICK L. MATTESON 111.
  • Primary Examiner H. B. RAMEY Assistant Examiner

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  • Cleaning And Drying Hair (AREA)
US738897A 1968-06-21 1968-06-21 Adjustable hair-dryer hoods Expired - Lifetime US3469328A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US73889768A 1968-06-21 1968-06-21
GB45659/69A GB1282514A (en) 1968-06-21 1969-09-16 Adjustable hair dryer hoods
DE19691947288 DE1947288A1 (de) 1968-06-21 1969-09-18 Haartrockenhaube

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US3469328A true US3469328A (en) 1969-09-30

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US738897A Expired - Lifetime US3469328A (en) 1968-06-21 1968-06-21 Adjustable hair-dryer hoods

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DE (1) DE1947288A1 (de)
GB (1) GB1282514A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775861A (en) * 1972-02-28 1973-12-04 Schick Inc Hair dryer
US5235760A (en) * 1991-12-23 1993-08-17 Bastien Ernest J Hair dryer with blower and radiant heating modes of operation
US20100247469A1 (en) * 2006-08-08 2010-09-30 Takara Belmont Corporation Permanent wave treatment method and apparatus thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2412314A (en) * 2004-03-22 2005-09-28 Conair Collapsible helmet hair dryer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE472813C (de) * 1929-06-21 Ernst Thriene Haube zum Trocknen von Kopfhaar
FR784311A (fr) * 1935-01-18 1935-07-22 Séchoir à cheveux transportable à circuit d'air fermé et à grand rendement
DE1007966B (de) * 1955-05-02 1957-05-09 Wella Ag Dampfhaube
US2810967A (en) * 1957-01-29 1957-10-29 Ullman Products Corp Hair dryer hood
US3313037A (en) * 1965-09-16 1967-04-11 Ullman Robert Hair dryer hood

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE472813C (de) * 1929-06-21 Ernst Thriene Haube zum Trocknen von Kopfhaar
FR784311A (fr) * 1935-01-18 1935-07-22 Séchoir à cheveux transportable à circuit d'air fermé et à grand rendement
DE1007966B (de) * 1955-05-02 1957-05-09 Wella Ag Dampfhaube
US2810967A (en) * 1957-01-29 1957-10-29 Ullman Products Corp Hair dryer hood
US3313037A (en) * 1965-09-16 1967-04-11 Ullman Robert Hair dryer hood

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775861A (en) * 1972-02-28 1973-12-04 Schick Inc Hair dryer
US5235760A (en) * 1991-12-23 1993-08-17 Bastien Ernest J Hair dryer with blower and radiant heating modes of operation
US20100247469A1 (en) * 2006-08-08 2010-09-30 Takara Belmont Corporation Permanent wave treatment method and apparatus thereof

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Publication number Publication date
DE1947288A1 (de) 1971-04-01
GB1282514A (en) 1972-07-19

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