US1832899A - Hair drier - Google Patents
Hair drier Download PDFInfo
- Publication number
- US1832899A US1832899A US332215A US33221529A US1832899A US 1832899 A US1832899 A US 1832899A US 332215 A US332215 A US 332215A US 33221529 A US33221529 A US 33221529A US 1832899 A US1832899 A US 1832899A
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- US
- United States
- Prior art keywords
- fan
- casing
- disc
- heating
- motor
- 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
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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
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/14—Portable drying stands
Definitions
- This invention relates to apparatus for treatingthe hair and scalp, and'is an improvement upon the structure set forth in my pending application; Serial No.'153,300, and 1s in art a continuation thereof.
- Another object is that of providing a hair I treatmg apparatus which may be readily accessible heating-unit that shifted from place to pace, and in which the noz zl e may be caused to assume any desired 10051131011, and will maintain such position until the operator desires to shft the same, the
- apparatus being so constructed as to remove or minimize the likelihood of damage to the apparatus or of injury to the person being treated or to the o, erator.
- Still another ob ect is to provide a readilyis readily-demountable as a unit, andcomp'rises readily.- detachable heatin -coils.
- Fig. 1 1s a perspective view of a referred form of the. apparatus, showing t e nozzle member as swung back on its hinge so as to rest on the fan-casing, thus exposing the view in Fig. 2;
- Fig. 4 is an elevation of the outer face of I the fan-casing
- Fig. 5 is a planloo g down on the fan- ,ca ing, heating-section nd nozzle-section;
- v Fig. 6 on a larger scale, is a longitudinal section through the heating-chamber, showd the demountable heating-unit; an a Fig. 7 is a diagram indicating the switchcontrol and the various circuits. Referring to these drawings,F1 1 shows.
- a pedestal mounted on ca tors an carrying a standard 10 that supports a motor-casing 11, which in turn supports all the rest of the a paratus.
- a fan-casing 12. which may o? sheet-metal, is swivelled at the end. of said motor-casing in such manner as to have rotary motion within' a limited range of about 180 degrees.
- '-At 14 is indicated a circuit-controlling switch, preferably -a three-point switch, the first movement of the switch closing a circuit throu h a circuit through another pair of heating coils, as indicated in Fi 8,.the1main portion oft efancasing-is su 1 I .stantially circular; and a funnelilike throat icated in t e 7.
- I cl! - cuit through a-pair of, heating-coils, and a I still further movement of the switch closing-j leads tangentially,therefrointowards a vent eng ne sideby'a,
- a convexly-curving wall 17 so that the air-current set up by a rotaiy fan (within the casing 12) will encounter no sudden constriction or buffer or re-entrant .wall which would tend to produce noise.
- the air-current passes through a. heating-section or chamber 18, which is demountably telescoped over the vent.
- a nozzle-section 19 is hinged at 20, so it can be folded back to rest upon the fan-casing, thus exposing the outer end of the deniountable heating-unit, as indicated in Fig. 1.
- a cylindrical shoulder 22 which provides a circular reduction; and in the adjacent face of the fan-casing is provided a circular opening of such diameter as to take freely over this shoulder.
- a heavy bearing 23 At the same end of the motor-casing is a heavy bearing 23 through which a rotary fan-shaft 24 (from the motor, not shown) protrudes into the fan-casing and carries a fan 25.
- a tensiondisc 26 of resilient metal, and a frusto-conical shape and with a central opening, is applied over the shaft and with the outer margin of its concave face overlapping the margin around the aforesaid opening in the fancasing, and bearing against the inner face of the casing; then a stout annulus 27 is applied over the shaft and forced against the crown of the tension-disc, and is secured to the heavy bearing 23 aforesaid, as by a plurality of bolts.
- the end of the motor-casing is provided with lugs, as 29, for engaging with corresponding projections 29 formed on the disc 26, to limit the rotary movement of the fan-casing and the disc to (say) 180 degrees, in order to prevent undue stretching of the circuit-wires which lead from the controlswitch 14 and into the heating-chamber 18.
- any rotary movement imparted to the fancasing is transmitted to the tension-disc.
- the tension-disc will have relative rotary movement with respect to members 23 and 27, which frictionally engage the crownportion thereof; and for this reason and because the disc is under tension, the fancasing (with sections 18 and 19 carried by it) will remain stationary in whatever position of rotary adjustment has been selected for directing the air-current from the nozzle towards the scalp and hair of the patron being treated, until an intentional shift of adjustment is effected.
- the fan-casing In the outer face of the fan-casing is a large opening for the introduction and installation of the fan 25, and for the admission of air to the fan; preferably the opening and the main or circular portion of the fan-casing are eccentric with respect to the shaft 24.
- the fan can be installed by inserting two adjacent fan-tips into this opening and beneath that portion of the sidewall of the fan-casing which has the greatest overhang with respect to the opening; and then, upon shoving these fan-tips as far as they can. go, the other fan-tips can readily be introduced and the hub of the fan can be applied over the motor-shaft and secured thereon.
- a plate 30 may be secured over the opening.
- This plate has a concentric arrangement of sector-shaped openings, which are preferably screened with Wire gauze.
- This plate carries concentrically a revoluble cover 32 having a similar arrangement of free openings and controlled by a handle 33 located to operate over a dial. By shifting the position of this handle, the operator controls the amount of air drawn into the fan; and by means of this control, and the switching at 14, the volume and the temperature of the emitted air-current is regulated as desired.
- Fig. 6 34 represents a bar of insulating-material, which is secured diametrically within the inner end of the heating-section 18, while the latter is removed from the fan-casing, as by means of screws passed from the exter or of section 18 into the ends of this bar.
- This bar is provided with three socket-members 35, each of conducting material.
- Two parallel metal rods 36 are secured to the end-portions of this bar. and project into the chamber and longitudinally thereof.
- This bar 34 and its rods and sockets are for removably mounting the demountable heating-unit, to be next described.
- a plate 37 of insulating material is provided along its opposite side-edges with parallel tubes or sleeves 3838 of metal, and from what is to be the inner end of the plate project three parallel contact-plugs 39, 40, 41, all of metal.
- These sleeves are to take over the rods 36, and these contact-plugs are to enter the sock- ;of t em projecting fromone face of the plate and the otherfrom the opposite face.
- Two heating-coils 44 and 45, of crinkled wire or a ribbon of high resistance, are dis 'osed on one ILL) face of the plate, and one end'o each-coil is detachably connected, one to one endof the middle stud42, and the other to the end of another stud 43; while the outer ends of these two coils are detachabl connected to the ends of two other metal stu s carried by the outer end of plate 37.
- a heating-device whichis demountable as a unit. It is inserted into the heating,- chamber 18, after the nozzle-section 19 has been swung back as indicated in Fig. 1, the sleevesand contact-plugs of late 37 engaging the rods and socket-mem ers of bar 34, and the unit is'then secured in place by means of nuts screwed down upon the projecting threaded ends of the rods. Upon loosening these nuts and withdrawing the plate, the heating-unit can be withdrawn and one or more of its coils can be removed and a sub- 'stitute applied, or an entirely fresh unit can be substituted.
- a lead-wire 48 runs to the middle socket-member 35 on bar 34) and is connected thereto.
- Two ot er wires 49 and 50, from the switch, are separately connected respectively to the, other two socket-members.
- the course of the circuits may be traced by referring to Fig. 7,-as follows: from the switch, through wire 48 to the middle socket and-its-double-ended stud 42, where the current divides, one branch going from one end of. stud 42, througho'ne air of coilsto a second socketv member, an back through wire 49, and the otherbranehv oin ber, andback trough'wire 50; or vice-versa.
- some additional electricdevice such as an electric bulb 51 in asuitable mountf Y Y ing 52 can be utilized. Thismounting may 'bea s eeve carrying the bulb and rovided so j additional circuit will pass from the outer end of one rod 36, through a slide-contact and a suitable connection to the bulb, all carried by mounting 52, and will return throu h a similar connection and slide-contactto t e outer. end ofthe other rod.
- a casing containing a motor and having a hub from which protrudes the shaft of the motor, a fan-casin enclosing a fan carried by said shaft an having one of its side-walls provided with a circular opening through which said hub projects, a lug located on the inner face of said side-wall ustrative and not in a 7 and near said opening, a frusto-conical disc of resilient metal whose central or crownof said hub extends, the marginal ortion of said disc having a notch that stradd es said lug, means tendin to flatten said disc and coacting with said ub to clamp said crownportion frictionally between them, and stops carried respectivel by said hub and said t e extent of rotary move-- 2.
- a casing containing a motor andhavinga hub from which protrudes meter, a fan-casing enclosone of its side-walls, rovided with a circular wall and near said opening, a frusto-conicai disc of resilient metal whose central or crownportion has a circular hole into which the ,end of said hub extends, the marginal portion of said disc having a notch that straddles said lug, and means tendin to flatten said disc and coacting with sai hub to clamp said crown-portion frictionally between them.
- a casing containing a motor and havin a hub from which protrudes the shaft 0 the motor, a fan-casing enclosing a fan carried by said shaft and having? one of its side-walls provided with a circu ar opening through which said hub projects, a frusto-conical disc of resilient metal whose central or crown-portion has a circular hole into which the end of said hub extends, means for transmitting to said disc any rotary movement of said fan-casing, and means for exerting friction upon said crownportion.
- a casing containing a motor and havin a hub from which protrudes the shaft 0 the motor, a frusto-conical member whose central or crown-portion is swivelled upon said hub, a second casing carried by the mar 'nal portion of said member and enclosin a an carried by said shaft,and means exerting friction upon said crownportion.
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- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Nov; 24, 1931;
E. o.- F EDERICS 1,832,899
HAIR DRIER Fi-l ed Jan. -12, 1929 3 Sheets-Sheet 1 nmmumfumuunmm Y awvemtoz Nov. 24, 1931. FREDERICS 1,832,899
HAIR DRIER- Nov. 24, 1931 E. o.- FREDERICVS 1,332,399
HAIR DRIER Filed Jan. 12, 1929 3 Sheets-Sheet 3 auvamtoz @513 clam,
Patented Nov. 11.931 v 5 UNITED STATES PATENT OFFICE- mm o. rnnnmcs, or NEW you my assxenon '10 x. mnnmcs. me. or vonx, 11.1, a concussion on NEW 2011.1: I s
i mm mama 7 Application filed'l'anuary 1a, was. Serial ma num. 4
- operator having no particular mechanical skill,- and in the operation of which no diflis- This invention relates to apparatus for treatingthe hair and scalp, and'is an improvement upon the structure set forth in my pending application; Serial No.'153,300, and 1s in art a continuation thereof.
' It 1s an object of the invention to provide adevice and apparatus of this character which ma be utilized for the drying and treating 0 both hair and scalp, and the parts of which are relatively few m number'and rugged in construction to provide an economical apparatus capable of use over long periods of time and with freedom frommechani'cal difliculties. It is a further object to rovide an apparatus of such construction t at the hair may be dried and treated in a-minimum period of time, and in which'such dryingeandtreatment' will, be uniform in effect. I
It is a still further object to prov de an, apparatus capable of being employed by an culty will be experienced by the person utilizing the same.
Another object is that of providing a hair I treatmg apparatus which may be readily accessible heating-unit that shifted from place to pace, and in which the noz zl e may be caused to assume any desired 10051131011, and will maintain such position until the operator desires to shft the same, the
apparatus being so constructed as to remove or minimize the likelihood of damage to the apparatus or of injury to the person being treated or to the o, erator. v v
' Still another ob ect is to provide a readilyis readily-demountable as a unit, andcomp'rises readily.- detachable heatin -coils. a
Other objects 0 I after.
parts, and the combination thereof, which will be exemplified in the construction here-' finafter'set forth and thesco eof' the a ,g plication of which willbe in clonesare 1 ing one side 0 the invention will iii pm? be obvlous andwill in part appearhereinw a H i 1 5", whichfunnelis defined! 7 ;,.=Ror a fuller understanding of the nature]? and objectsof the invention, reference should be had to the following detailed description taken in connection with the accompanying drawings, in which:
Fig. 1 1s a perspective view of a referred form of the. apparatus, showing t e nozzle member as swung back on its hinge so as to rest on the fan-casing, thus exposing the view in Fig. 2;
Fig; 4 is an elevation of the outer face of I the fan-casing;
Fig. 5 is a planloo g down on the fan- ,ca ing, heating-section nd nozzle-section;
v Fig. 6, on a larger scale, is a longitudinal section through the heating-chamber, showd the demountable heating-unit; an a Fig. 7 is a diagram indicating the switchcontrol and the various circuits. Referring to these drawings,F1 1 shows.
a pedestal mounted on ca tors an carrying a standard 10 that supports a motor-casing 11, which in turn supports all the rest of the a paratus. A fan-casing 12. which may o? sheet-metal, is swivelled at the end. of said motor-casing in such manner as to have rotary motion within' a limited range of about 180 degrees. A cable 13 conta'ins the" mam electric leads that pass to the-motor (not shown) and to the heating-unit.'-At 14 is indicated a circuit-controlling switch, preferably -a three-point switch, the first movement of the switch closing a circuit throu h a circuit through another pair of heating coils, as indicated in Fi 8,.the1main portion oft efancasing-is su 1 I .stantially circular; and a funnelilike throat icated in t e 7. As seehin Fi the motor, a further movement closing. I cl!" -=cuit through a-pair of, heating-coils, and a I still further movement of the switch closing-j leads tangentially,therefrointowards a vent eng ne sideby'a,
opposite side by a convexly-curving wall 17 so that the air-current set up by a rotaiy fan (within the casing 12) will encounter no sudden constriction or buffer or re-entrant .wall which would tend to produce noise. From said vent 15 the air-current passes through a. heating-section or chamber 18, which is demountably telescoped over the vent. To the outer endof this section 18 a nozzle-section 19 is hinged at 20, so it can be folded back to rest upon the fan-casing, thus exposing the outer end of the deniountable heating-unit, as indicated in Fig. 1.
In addition to the funnel-like and smoothwalled throat leading from the fan-casing, it will be observed that the cross-section of the air-conduit becomes somewhat larger within the heating-chamber and thereafter continues smoothly with little, if any, change in crosssection until at the outer end of the nozzle, where a constricting annulus 21 is provided, as seen in Fig. 5, for properly delivering the blast or current of heated air.
Referring now to Fig. 2, that end of the motor-casing which is adjacent the fan-casing has a cylindrical shoulder 22 which provides a circular reduction; and in the adjacent face of the fan-casing is provided a circular opening of such diameter as to take freely over this shoulder. At the same end of the motor-casing is a heavy bearing 23 through which a rotary fan-shaft 24 (from the motor, not shown) protrudes into the fan-casing and carries a fan 25. A tensiondisc 26 of resilient metal, and a frusto-conical shape and with a central opening, is applied over the shaft and with the outer margin of its concave face overlapping the margin around the aforesaid opening in the fancasing, and bearing against the inner face of the casing; then a stout annulus 27 is applied over the shaft and forced against the crown of the tension-disc, and is secured to the heavy bearing 23 aforesaid, as by a plurality of bolts. This forcing of the annulus 27 against the crown of the tension-disc tends to flatten the latter, thus causing notches provided in the edge of the disc to engage corresponding lugs 28 provided on the mner face of the fan-casing, this compression thus placing the frusto-conical disc under stress, whereby the marginal notches of the latter are caused to straddle the lugs 26, and this disc itself is caused to bear frictionally upon the adjacent margin of the'interior face of the fan-casing. As indicated in Fig. 2, the end of the motor-casing is provided with lugs, as 29, for engaging with corresponding projections 29 formed on the disc 26, to limit the rotary movement of the fan-casing and the disc to (say) 180 degrees, in order to prevent undue stretching of the circuit-wires which lead from the controlswitch 14 and into the heating-chamber 18.
By reason of this engagement of lugs 28,
any rotary movement imparted to the fancasing is transmitted to the tension-disc. The tension-disc will have relative rotary movement with respect to members 23 and 27, which frictionally engage the crownportion thereof; and for this reason and because the disc is under tension, the fancasing (with sections 18 and 19 carried by it) will remain stationary in whatever position of rotary adjustment has been selected for directing the air-current from the nozzle towards the scalp and hair of the patron being treated, until an intentional shift of adjustment is effected.
In the outer face of the fan-casing is a large opening for the introduction and installation of the fan 25, and for the admission of air to the fan; preferably the opening and the main or circular portion of the fan-casing are eccentric with respect to the shaft 24. In such case, the fan can be installed by inserting two adjacent fan-tips into this opening and beneath that portion of the sidewall of the fan-casing which has the greatest overhang with respect to the opening; and then, upon shoving these fan-tips as far as they can. go, the other fan-tips can readily be introduced and the hub of the fan can be applied over the motor-shaft and secured thereon.
After the fan has been installed, a plate 30 may be secured over the opening. This plate has a concentric arrangement of sector-shaped openings, which are preferably screened with Wire gauze. This plate carries concentrically a revoluble cover 32 having a similar arrangement of free openings and controlled by a handle 33 located to operate over a dial. By shifting the position of this handle, the operator controls the amount of air drawn into the fan; and by means of this control, and the switching at 14, the volume and the temperature of the emitted air-current is regulated as desired.
Referring now to Fig. 6, 34 represents a bar of insulating-material, which is secured diametrically within the inner end of the heating-section 18, while the latter is removed from the fan-casing, as by means of screws passed from the exter or of section 18 into the ends of this bar. This bar is provided with three socket-members 35, each of conducting material. Two parallel metal rods 36 are secured to the end-portions of this bar. and project into the chamber and longitudinally thereof. This bar 34 and its rods and sockets are for removably mounting the demountable heating-unit, to be next described.
Referring still to Fig. 6, a plate 37 of insulating material is provided along its opposite side-edges with parallel tubes or sleeves 3838 of metal, and from what is to be the inner end of the plate project three parallel contact- plugs 39, 40, 41, all of metal.
These sleeves are to take over the rods 36, and these contact-plugs are to enter the sock- ;of t em projecting fromone face of the plate and the otherfrom the opposite face. Two heating- coils 44 and 45, of crinkled wire or a ribbon of high resistance, are dis 'osed on one ILL) face of the plate, and one end'o each-coil is detachably connected, one to one endof the middle stud42, and the other to the end of another stud 43; while the outer ends of these two coils are detachabl connected to the ends of two other metal stu s carried by the outer end of plate 37. On the opposite face of plate 37,,two other like coils 46 and 47 are similarly dis osed, and are detachably connected at their inner ends respectivel to the middle stud 42 and to the'thlrd stu on the inner end of the plate, and at their outer ends respectively to a third and a fourth stud on the outer end of the plate. 'On the outer end of the plate is provided an electric connection between the outer ends of one of the coils (as 44) on one face .of the plate and the outer end of one of the coils (as 46) on the opposite face; and a similar electric connection is provided between the outer ends of the other two coils, as and 47. This late 37 and its coils, that are individually emountable,
. and the other parts secured to'the plate, constitute a heating-device, whichis demountable as a unit. It is inserted into the heating,- chamber 18, after the nozzle-section 19 has been swung back as indicated in Fig. 1, the sleevesand contact-plugs of late 37 engaging the rods and socket-mem ers of bar 34, and the unit is'then secured in place by means of nuts screwed down upon the projecting threaded ends of the rods. Upon loosening these nuts and withdrawing the plate, the heating-unit can be withdrawn and one or more of its coils can be removed and a sub- 'stitute applied, or an entirely fresh unit can be substituted. I a d From the-control switch at 14, a lead-wire 48 runs to the middle socket-member 35 on bar 34) and is connected thereto. Two ot er wires 49 and 50, from the switch, are separately connected respectively to the, other two socket-members. The course of the circuits may be traced by referring to Fig. 7,-as follows: from the switch, through wire 48 to the middle socket and-its-double-ended stud 42, where the current divides, one branch going from one end of. stud 42, througho'ne air of coilsto a second socketv member, an back through wire 49, and the otherbranehv oin ber, andback trough'wire 50; or vice-versa.
disc and limiting 'ment of the latter.,
the, shaft of t e I I v I, g ing afan carried byljsaidshaft and having from the other endof stud 42, throng the other pair of coils, to the third socket-mem-f If desired, some additional electricdevice, such as an electric bulb 51 in asuitable mountf Y Y ing 52 can be utilized. Thismounting may 'bea s eeve carrying the bulb and rovided so j additional circuit will pass from the outer end of one rod 36, through a slide-contact and a suitable connection to the bulb, all carried by mounting 52, and will return throu h a similar connection and slide-contactto t e outer. end ofthe other rod.
Since certain changes may be made; in the structures a'nd arrangements described above, and different embodiments of the present invention can be made, without departin from the spirit thereof, it is intended that afi matter contained in the foregoing description or shown in the accompanying drawings shall be interpreted as il limiting sense. It is also to be understood that the followmg claims are intended to cover all of the.
neric and s ecific features of the invention ierein descri ed, and all statements of the scope of the invention which as a matter of language might be said to fall therebetwen.
The invention having thus been fully described, what is claimed is: I
1. In combination, in apparatus of the character indicated, a casing containing a motor and having a hub from which protrudes the shaft of the motor, a fan-casin enclosing a fan carried by said shaft an having one of its side-walls provided with a circular opening through which said hub projects, a lug located on the inner face of said side-wall ustrative and not in a 7 and near said opening, a frusto-conical disc of resilient metal whose central or crownof said hub extends, the marginal ortion of said disc having a notch that stradd es said lug, means tendin to flatten said disc and coacting with said ub to clamp said crownportion frictionally between them, and stops carried respectivel by said hub and said t e extent of rotary move-- 2. In combination, in apparatus of the character indicated, a casing containing a motor andhavinga hub from which protrudes meter, a fan-casing enclosone of its side-walls, rovided with a circular wall and near said opening, a frusto-conicai disc of resilient metal whose central or crownportion has a circular hole into which the ,end of said hub extends, the marginal portion of said disc having a notch that straddles said lug, and means tendin to flatten said disc and coacting with sai hub to clamp said crown-portion frictionally between them.
3. In combination, in apparatus of the character indicated, a casing, containing a motor and havin a hub from which protrudes the shaft 0 the motor, a fan-casing enclosing a fan carried by said shaft and having? one of its side-walls provided with a circu ar opening through which said hub projects, a frusto-conical disc of resilient metal whose central or crown-portion has a circular hole into which the end of said hub extends, means for transmitting to said disc any rotary movement of said fan-casing, and means for exerting friction upon said crownportion.
4. In combination, in apparatus of the character indicated, a casing containing a motor and havin a hub from which protrudes the shaft 0 the motor, a frusto-conical member whose central or crown-portion is swivelled upon said hub, a second casing carried by the mar 'nal portion of said member and enclosin a an carried by said shaft,and means exerting friction upon said crownportion.
In testimonv whereof I afiix my signature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US332215A US1832899A (en) | 1929-01-12 | 1929-01-12 | Hair drier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US332215A US1832899A (en) | 1929-01-12 | 1929-01-12 | Hair drier |
Publications (1)
Publication Number | Publication Date |
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US1832899A true US1832899A (en) | 1931-11-24 |
Family
ID=23297234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US332215A Expired - Lifetime US1832899A (en) | 1929-01-12 | 1929-01-12 | Hair drier |
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US (1) | US1832899A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446261A (en) * | 1946-05-18 | 1948-08-03 | Union Special Machine Co | Sewing machine |
US2850228A (en) * | 1956-10-30 | 1958-09-02 | Rowley Arthur | Blower |
US2870959A (en) * | 1956-11-07 | 1959-01-27 | Amana Refrigeration Inc | Blower wheel |
US3371188A (en) * | 1965-08-25 | 1968-02-27 | Henes Mfg Company Inc | Electrically heated torch for elevating the temperature and directing the flow of a gas |
US3396904A (en) * | 1967-03-27 | 1968-08-13 | Jan Air Inc | Adjustable air inlet closure |
US4490602A (en) * | 1983-02-18 | 1984-12-25 | Naoki Ishihara | Air flow adjusting mechanism for hand held hot air hair dryer |
US6123503A (en) * | 1998-07-30 | 2000-09-26 | Belanger, Inc. | Dryer nozzle assembly |
-
1929
- 1929-01-12 US US332215A patent/US1832899A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446261A (en) * | 1946-05-18 | 1948-08-03 | Union Special Machine Co | Sewing machine |
US2850228A (en) * | 1956-10-30 | 1958-09-02 | Rowley Arthur | Blower |
US2870959A (en) * | 1956-11-07 | 1959-01-27 | Amana Refrigeration Inc | Blower wheel |
US3371188A (en) * | 1965-08-25 | 1968-02-27 | Henes Mfg Company Inc | Electrically heated torch for elevating the temperature and directing the flow of a gas |
US3396904A (en) * | 1967-03-27 | 1968-08-13 | Jan Air Inc | Adjustable air inlet closure |
US4490602A (en) * | 1983-02-18 | 1984-12-25 | Naoki Ishihara | Air flow adjusting mechanism for hand held hot air hair dryer |
US6123503A (en) * | 1998-07-30 | 2000-09-26 | Belanger, Inc. | Dryer nozzle assembly |
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