US3650041A - Hair dryer - Google Patents

Hair dryer Download PDF

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Publication number
US3650041A
US3650041A US839932A US3650041DA US3650041A US 3650041 A US3650041 A US 3650041A US 839932 A US839932 A US 839932A US 3650041D A US3650041D A US 3650041DA US 3650041 A US3650041 A US 3650041A
Authority
US
United States
Prior art keywords
housing
hair dryer
stretching members
bonnet
air
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 - Lifetime
Application number
US839932A
Other languages
English (en)
Inventor
Gotz Florian Strzelczyk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rowenta Werke GmbH
Original Assignee
Rowenta Werke GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rowenta Werke GmbH filed Critical Rowenta Werke GmbH
Application granted granted Critical
Publication of US3650041A publication Critical patent/US3650041A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current

Definitions

  • the bonnet is constructed of both stiff and flexible parts arranged on either side of a thin substantially rectangular casing.
  • the parts fold outwardly from either side of the case forming a full sized hair dryer.
  • the bonnet is stored the parts are folded inwardly forming a volume similar to a small attache case.
  • the invention relates to a hair dryer of the hood type for home use which has the efflciency and other characteristics of a professional hair dryer when in use and particularly to a bonnet composed of stiff and flexible parts which allows the hair dryer to be folded into a flat volume of minimal size for storage after use.
  • the hair dryer comprises a housing having an air inlet and an air outlet duct, a communicating duct connecting the inlet and outlet ducts, a fan driven by an electric motor for drawing air through the inlet into the connecting duct, an electric heating unit within the connecting duct heating the air flowing through said connecting duct whereby said fan discharges the heated air flowing through the outlet duct, a collapsible hollow bonnet of a size to accommodate the head of a person when in operative position, whereby said bonnet comprises both stiff and flexible parts capable of being folded into a storage position whereby said parts of said bonnet are placed within the outer limitations of said housing, and mounting means for detachably securing the bonnet to a standard in operative position.
  • the hair dryer comprises a bonnet having at each half at least one reinforcing member which could be folded out of the case at approximately 90.
  • the hair dryer has a bonnet with platelike stiff parts forming an upper wall of the bonnet when folded into its operative position.
  • a more specific object of the invention is to provide a novel and improved hair dryer in which the plates of the bonnet are joined to the housing pivotally and whereby preferably the plates are of the same material as the housing.
  • the plate and/or the hinges are preferably made of plastic.
  • Another more specific object of the invention is to provide a novel and improved bonnet for a hair dryer in which at the lower end of the bonnet at either side of the housing at least one further reinforcement member, for instance a curved piece, is pivotally connected to the housing.
  • the semicircular plates are omitted in that case.
  • Another more specific object of the invention is to provide a hair dryer in which the housing is the shape of a inverted "U” overriding the bonnet, whereby the motor-fan unit of the blower-type hair dryer is provided within the housing.
  • Still another more specific object of the invention is a hair dryer which on one end of the housing is provided with a control member for regulating the drying temperature and/or time.
  • the scale of the control member and/or the position of the control member itself may be readable from below.
  • the bonnet is provided with at least one air-discharge ring or bow.
  • air-discharge bows it is possible to provide one or more reinforcement bows and/or semicircular plates which are constructed as air-discharge members.
  • One further object of the invention is to provide a novel and improved hair dryer having a double-walled bonnet.
  • FIG. 1 is a perspective view of the hair dryer according to one embodiment of the invention in operative position.
  • FIG. la shows part of the bonnet removed to. illustrate the air blowing and heating means of the dryer.
  • FIG. 2 is a view to a hair dryer according to FIG. 1 in a partially folded position.
  • FIG. 3 is a perspective view of a hair dryer according to another embodiment of the invention in operative position.
  • FIG. 4 is a view to a hair dryer according to FIG. 3 in storage position.
  • FIG. 1 and 2 exemplify a hair dryer of the hood type comprised of an inverted U-shaped hollow housing preferably made of a suitable plastic.
  • the main housing 1 In the operative position the main housing 1 is oriented as an inverted U.”
  • the bonnet or hood 5 is provided with two foldable semicircular halves on either side of the housing 1.
  • Each half of the bonnet consists of a lower semicircular bow 9, a foldable part 8, for instance, of a soft plastic and a semicircular plate 6.
  • the plate 6 is hinged to the housing 1, for instance, by means of an integral plastic hinge 7.
  • the bows 9 and the plates 6 can fold into the housing within the direction of the arrows shown in FIG. 1. When parts 6 and 9 are swung inwardly the soft material of part 8 folds in between.
  • the hair dryer according to the invention When not in use the hair dryer according to the invention forms a flat case requiring a minimal of storage space.
  • the motor-fan-unit draws dry air through air intake ducts 2.
  • the means for directing flows of hot air into the bonnet should be visualized as conventional. As shown in FIG. la, they may comprise a suction fan 14 having a fan blade 15 which sucks in cold air through inlet 2. The sucked-in air is heated by suitable heating means indicated by a grid 16 and directed into a duct 18 within the housing. From this duct the air escapes through a plurality of openings 17 into the bonnet.
  • Fixture 3 attaches the hair dryer to a mounting standard 13. When using a telescopic standard this can be inserted into the housing 1.
  • the control member 4 for controlling or setting the temperature is mounted on to the lower side of the housing 1 in a manner such that it can be read from below.
  • An additional heating unit can be installed within the semicircular plates, when additional performance is desired.
  • the air distribution system is not shown in details since there are known many suitable embodiments.
  • all or part of the inner three walls of the housing 1 can be provided with apertures as slots which distribute the air within the bonnet relatively uniformly in all directions.
  • FIGS. 3 and 4 is provided at least one further reinforcing bow 12 between the housing I and the bow l0. Collapsing of the bonnet is effected by swinging the bows l0 and 12 in the direction of the arrow as shown in FIG. 3. The storage position of the hair dryer is shown in FIG. 4.
  • the mounting of the motor-fan unit including the heater may be the same as shown in FIGS. 1 and 2.
  • the location of the temperature and/or time control 4 is similar to FIGS. 1 and 2 in that the setting and reading of this control can be made from below while the hair dryer is in use.
  • the method of warm air distribution is in principle identical to FIGS. 1 and 2.
  • a hair dryer comprising in combination:
  • a generally U-shaped substantially rigid housing having air inlet and air outlet openings and including air-blowing and heating means for causing heated air flows to escape from said outlet openings;
  • substantially rigid first stretching members having a width substantially equal to the inner distance between the two branches of the U-shaped housing and substantially rigid second stretching members also having a width substantially equal to the inner distance between the two branches of the housing, each of said first stretching members being in the form of a plate hinged at one edge to the base of said U-shaped housing and each of said second stretching members being a bow member hinged at its ends to the branches of said U-shaped housing for pivotal movement between a first position in which the stretching members protrude laterally from the housing and a second position in which the stretching members are located substantially within the outline of the housing, and flexible substantially air-impervious sheet material secured to said housing and to said stretching members along the lengths thereof,
  • said first position of the stretching members constituting the open position of the hood and said second position the collapsed position thereof.
  • each of said plates is semicircularly shaped and hinged with its straight edge to the base of the U-shaped frame

Landscapes

  • Cleaning And Drying Hair (AREA)
  • Drying Of Solid Materials (AREA)
US839932A 1968-07-11 1969-07-08 Hair dryer Expired - Lifetime US3650041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681782040 DE1782040A1 (de) 1968-07-11 1968-07-11 Trockenhaube

Publications (1)

Publication Number Publication Date
US3650041A true US3650041A (en) 1972-03-21

Family

ID=5704839

Family Applications (1)

Application Number Title Priority Date Filing Date
US839932A Expired - Lifetime US3650041A (en) 1968-07-11 1969-07-08 Hair dryer

Country Status (14)

Country Link
US (1) US3650041A (da)
JP (1) JPS493791B1 (da)
AT (1) AT308310B (da)
BE (1) BE735888A (da)
CH (1) CH494554A (da)
DE (1) DE1782040A1 (da)
DK (1) DK128876B (da)
ES (1) ES369423A1 (da)
FR (1) FR2012760A1 (da)
GB (1) GB1280228A (da)
NL (1) NL6910567A (da)
NO (1) NO121171B (da)
SE (1) SE343201B (da)
YU (1) YU32265B (da)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS511178U (da) * 1974-06-20 1976-01-07
JPS51107491U (da) * 1975-02-20 1976-08-27
US4361966A (en) * 1980-12-29 1982-12-07 Downey John H Portable hair dryer
USD314065S (en) 1988-09-17 1991-01-22 Takara Belmont Kabushiki Kaisha Hair dryer
USD527490S1 (en) * 2003-04-11 2006-08-29 Wella Aktiengesellschaft Hair dryer
USD601750S1 (en) 2007-10-19 2009-10-06 Wella Aktiengesellschaft Hair dryer
USD622445S1 (en) 2006-12-05 2010-08-24 Wella Aktiengesellschaft Hair drying hood
USD628343S1 (en) 2008-04-17 2010-11-30 Wella Aktiengesellschaft Infrared radiation dryer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR587244A (fr) * 1924-08-13 1925-04-14 Appareil séchoir de tête
US2425056A (en) * 1944-08-15 1947-08-05 Younger Alexander Reginald Electric hair dryer
US2662303A (en) * 1952-02-11 1953-12-15 Myers Carmel Hair drier
GB921287A (en) * 1958-07-04 1963-03-20 Electrolux Ltd Improvements in hair dryers
US3418726A (en) * 1966-12-19 1968-12-31 Westinghouse Electric Corp Hair dryer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR587244A (fr) * 1924-08-13 1925-04-14 Appareil séchoir de tête
US2425056A (en) * 1944-08-15 1947-08-05 Younger Alexander Reginald Electric hair dryer
US2662303A (en) * 1952-02-11 1953-12-15 Myers Carmel Hair drier
GB921287A (en) * 1958-07-04 1963-03-20 Electrolux Ltd Improvements in hair dryers
US3418726A (en) * 1966-12-19 1968-12-31 Westinghouse Electric Corp Hair dryer

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS511178U (da) * 1974-06-20 1976-01-07
JPS51107491U (da) * 1975-02-20 1976-08-27
US4361966A (en) * 1980-12-29 1982-12-07 Downey John H Portable hair dryer
USD314065S (en) 1988-09-17 1991-01-22 Takara Belmont Kabushiki Kaisha Hair dryer
USD527490S1 (en) * 2003-04-11 2006-08-29 Wella Aktiengesellschaft Hair dryer
USD622445S1 (en) 2006-12-05 2010-08-24 Wella Aktiengesellschaft Hair drying hood
USD622444S1 (en) 2006-12-05 2010-08-24 Wella Aktiengesellschaft Hair drying hood
USD629968S1 (en) 2006-12-05 2010-12-28 Wella Aktiengesellschaft Hair drying hood
USD640002S1 (en) 2006-12-05 2011-06-14 Wella Aktiengesellschaft Hair drying hood
USD601750S1 (en) 2007-10-19 2009-10-06 Wella Aktiengesellschaft Hair dryer
USD628343S1 (en) 2008-04-17 2010-11-30 Wella Aktiengesellschaft Infrared radiation dryer
USD655039S1 (en) 2008-04-17 2012-02-28 Wella Aktiengesellschaft Infrared radiation dryer
USD655040S1 (en) 2008-04-17 2012-02-28 Wella Aktiengesellschaft Infrared radiation dryer

Also Published As

Publication number Publication date
YU178169A (en) 1973-12-31
YU32265B (en) 1974-06-30
GB1280228A (en) 1972-07-05
JPS493791B1 (da) 1974-01-28
NL6910567A (da) 1970-01-13
DE1782040A1 (de) 1971-07-01
AT308310B (de) 1973-06-25
BE735888A (da) 1969-12-16
NO121171B (da) 1971-01-25
FR2012760A1 (da) 1970-03-20
CH494554A (de) 1970-08-15
SE343201B (da) 1972-03-06
ES369423A1 (es) 1971-05-16
DK128876B (da) 1974-07-22

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