US3220109A - Dry-shaving apparatus provided with a hair chamber with flap - Google Patents

Dry-shaving apparatus provided with a hair chamber with flap Download PDF

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US3220109A
US3220109A US263978A US26397863A US3220109A US 3220109 A US3220109 A US 3220109A US 263978 A US263978 A US 263978A US 26397863 A US26397863 A US 26397863A US 3220109 A US3220109 A US 3220109A
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Prior art keywords
flaps
shaving head
edge
head mount
hair chamber
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Expired - Lifetime
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US263978A
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Haan Jan De
Schiphorst Albertus Bernardus
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US Philips Corp
North American Philips Co Inc
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US Philips Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B26B19/386—Means for attaching the head thereto
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0894—Spring arm
    • Y10T292/0895—Operating means
    • Y10T292/0901—Push or pull rod

Definitions

  • the invention relates to a dry-shaving apparatus provided with a removable shaving head mounted to the housing in a resilient manner, which head rests on the upper edge of a hair chamber located below the shaving head, the side walls of which comprising one or more pivotable flaps which are under spring action, the locking edge of which in the locked position grips behind the edge of the shaving head.
  • the principal object of the invention is to provide a manually operated lifting device for the shaving head which lifts the shaving head through a distance which is suflicient to cause the locking edge of the hair chamber flaps to be disengaged from the adjacent bottom edge of the shaving head.
  • the present device incorporates an embodiment which is characterized in that in the lifting device a friction member is used which can be moved inwards against spring action and which is provided in the wall of the housing, the movement of said member in a vertical direction being transmitted to the lower stop edge of the shaving head.
  • a favourable embodiment of the invention is further characterized in that the lifting device is located laterally of the hair chamber flaps and the locking edge of each flap extends at an angle from a highest point substantially parallel to the lower edge of the shaving head in its position elevated by the lifting device.
  • FIGURE 1 shows a shaving apparatus, showing an important part thereof in cross section.
  • FIGURE 2 is a plan view of the housing shown in FIGURE 1, in which the shaving head is removed from said housing.
  • FIGURE 3 is a partial cross section taken along the line IIIIII of FIGURE 1.
  • a dry-shaving apparatus 1 is provided with a shaving head mount 2 having two shear plates 3, below which a hair chamber 4 is located.
  • the walls 5 of this hair cham- 3,220,169 Patented Nov. 30, 1965 'ice ber comprise flaps 6 which may be opened for removing the cut hair from the hair chamber 4.
  • the flaps 6 are connected to the lower side of the bottom 8 of the hair chamber 4 of the housing of the apparatus by means of a resilient piece of wire 7, for which purpose a loop 12 formed in the center of each wire 7 is connected below the nut 9 of a screw, the head 25 of which is located on the other side of the bottom 8 of the hair chamber.
  • the ends 10 of the wire 7 are passed through abutment members 11 of the flap 6.
  • the shaving head mount 2 is provided with two pins 13 which at their free ends comprise a lateral notch 14 (FIGURE 3).
  • a pin 17 is provided which with one end 18 extends in the upper edge 16 of the wall of the hair chamber.
  • the other end 19 is bent through an angle exceeding This bent end 19 cooperates with an inclined end face 20 of a friction member 21 which may be depressed by means of a push-button 22 according to the horn principle in a direction at right angles to the pin 17.
  • a push-button 22 according to the horn principle in a direction at right angles to the pin 17.
  • the pin 17 is pushed upwards and the shaving head 2 is lifted on one side.
  • the pin 17 is again pushed downwards and the pushbutton 22 is moved outwards when the push-button 22 is released.
  • the rabbeted edge 24 of the flap 6 grips behind the edge 23 of the shaving head mount 2 which is flanged downwards. If the flap 6 is raised from the position shown in FIGURE 2 into that shown in FIGURE 3, the round edge 26 and the joining inclined face extends along the edge 23 of the shaving head mount 2 and pushes it upwards, after which the rabbeted edge 24 falls behind the edge 23 and the shaving head mount 2 is returned to the initial position on the edge 16 by the springs 15. As a result of the resilience of the wire 17 the flap may also move downwards.
  • the rabbeted edge 24 which grips behind the edge 23 is constructed so that it is highest in the center of the flap 6 and that its height decreases towards both sides. So the flaps are symmetrical and consequently easy to manufacture. If the shaving head is lifted by depressing the push-button 22 the flap is set free from the edge 23 and will open under the influence of the tensioned spring 7.
  • a release mechanism for side flaps of a hair chamber located in the housing of a dry shaving apparatus engaged and closed by the bottom edge of the shaving head mount comprising means pivoting said flaps to said hair chamber, each of said flaps having a locking edge that engages said bottom edge of the shaving head mount, said release mechanism comprising lifting means which lifts said shaving head mount a distance suificient to cause the locking edge of said flaps to be released from engagement with said shaving head mount thereby permitting said flaps to move to an outward and open position, and a spring-biased friction member engaging said lifting means and movable against spring pressure to lift said lifting means.
  • a release mechanism for side flaps of a hair chamber located in the housing of a dry shaving apparatus engaged and closed by the bottom edge of the shaving head mount comprising means pivoting said flaps to said hair chamber, each of said flaps having a locking edge
  • said release mechanism comprising an elongated member in the housing of said dry shaving apparatus, a springbiased friction member movable in said housing and engaging said elongated member whereby force is transmitted through said elongated member to lift said shaving head mount a distance sufiicient to cause the locking edge of said flaps to be released from engagement with said shaving head mount thereby permitting said flaps to move to an outward and open position.
  • a release mechanism as claimed in claim 2 wherein said elongated member is a pin having one end engaged with said shaving head mount, the other end being bent through an angle of approximately 90, a push-button substantially in the plane of said other end and movable in a direction substantially at right angles to said one end of the pin to thereby move said one end vertically to lift said shaving head mount.
  • a release mechanism for side flaps of a hair chamber located in the housing of a dry shaving apparatus engaged and closed by the bottom edge of the shaving head mount comprising means pivoting said flaps to said hair chamber, each of said flaps having a locking edge that engages said bottom edge of the shaving head mount, said release mechanism comprising means which lifts said shaving head mount a distance sufiicient to cause the locking edge of said flaps to be released from engagement with said shaving head mount thereby permitting said flaps to move to an outward and open position, said release mechanism being located laterally of said hair chamber and the locking edge of each of said flaps being slightly angular relative to the bottom edge of said shaving head mount, the highest point of said locking edge being closest to said release mechanism.
  • a release mechanism as claimed in claim 1 wherein said release mechanism is located in the top of said housing in a plane between said side flaps.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Description

Nov. 30, 1965 J. DE HAAN ETAL 3,220,109
DRY-SHAVING APPARATUS PROVIDED WITH A HAIR CHAMBER WITH FLAP Filed March 8, 1963 FIG.3
INVENTOR JAN DE HAAN ALBERTUS J.B. SCHIPHORST United States Patent 3,220,109 DRY-SHAVING APPARATUS PROVIDED WITH A HAIR CHAMBER WITH FLAP Jan de Haan, Drachten, and Albertus Johannes Bernardus Schiphorst, Zenderen, Netherlands, assignors to North American Philips Company, Inc., New York, N.Y., a corporation of Delaware Filed Mar. 8, 1963, Ser. No. 263,978 Claims priority, application Netherlands, Mar. 14, 1962, 275,965 Claims. (Cl. 3041.6)
The invention relates to a dry-shaving apparatus provided with a removable shaving head mounted to the housing in a resilient manner, which head rests on the upper edge of a hair chamber located below the shaving head, the side walls of which comprising one or more pivotable flaps which are under spring action, the locking edge of which in the locked position grips behind the edge of the shaving head.
It is known, in dry-shaving apparatus of the above type, to make hair chamber flaps both rotatable and slidable downwards, so that they can be opened by sliding until the locking edge is disengaged from the edge of the shaving head which is flanged downwards.
The principal object of the invention is to provide a manually operated lifting device for the shaving head which lifts the shaving head through a distance which is suflicient to cause the locking edge of the hair chamber flaps to be disengaged from the adjacent bottom edge of the shaving head.
In this manner a locking for the flap is formed in a simple manner, in which the flaps cannot fall open as a result of an involuntary touch thereof during the use of the shaving apparatus. From a manufacturing point of view and in connection with the shape it is of advantage that the outside of the flaps need not be provided with ribs or the like in order to facilitate the grip. In addition, the present device incorporates an embodiment which is characterized in that in the lifting device a friction member is used which can be moved inwards against spring action and which is provided in the wall of the housing, the movement of said member in a vertical direction being transmitted to the lower stop edge of the shaving head.
A favourable embodiment of the invention is further characterized in that the lifting device is located laterally of the hair chamber flaps and the locking edge of each flap extends at an angle from a highest point substantially parallel to the lower edge of the shaving head in its position elevated by the lifting device.
As a result of this it is achieved that if the shaving head is lifted on one side, the flap or flaps are easily released from the edge of the shaving head, as a result of which it becomes readily possible to operate two side flaps by means of one lifting device located at the circumference of the shaving head between said flaps.
In order that the invention may readily be carried into effect, one embodiment thereof will now be described more fully, by way of example, with reference to a few figures.
FIGURE 1 shows a shaving apparatus, showing an important part thereof in cross section.
FIGURE 2 is a plan view of the housing shown in FIGURE 1, in which the shaving head is removed from said housing.
FIGURE 3 is a partial cross section taken along the line IIIIII of FIGURE 1.
A dry-shaving apparatus 1 is provided with a shaving head mount 2 having two shear plates 3, below which a hair chamber 4 is located. The walls 5 of this hair cham- 3,220,169 Patented Nov. 30, 1965 'ice ber comprise flaps 6 which may be opened for removing the cut hair from the hair chamber 4.
The flaps 6 are connected to the lower side of the bottom 8 of the hair chamber 4 of the housing of the apparatus by means of a resilient piece of wire 7, for which purpose a loop 12 formed in the center of each wire 7 is connected below the nut 9 of a screw, the head 25 of which is located on the other side of the bottom 8 of the hair chamber. The ends 10 of the wire 7 are passed through abutment members 11 of the flap 6.
When raising the flap 6 it first impacts against the edge 27 of the bottom member 8 and then forms a lever rotating around the edge which, when the movement is continued, pulls the ends 10 of the resilient wire 7 outwards, as a result of which the wire is tensioned. Finally the upper edge 24 of the fiap 6 snaps below the edge 23 of the shaving head mount 2 as will be described below.
The shaving head mount 2 is provided with two pins 13 which at their free ends comprise a lateral notch 14 (FIGURE 3).
Only of the pin located on the left-hand side in the figure is the notch visible, of the other pin the notch is located on the other side. Below each of the screw heads 25 is mounted one of two wire spring 15 which, in the mounted condition of the shaving head mount 2, are each located with their free end in one of the notches 14, as a result of which the shaving head mount engages the upper edge 16 of the hair chamber in a resilient manner.
In the hair chamber wall 5 a pin 17 is provided which with one end 18 extends in the upper edge 16 of the wall of the hair chamber. The other end 19 is bent through an angle exceeding This bent end 19 cooperates with an inclined end face 20 of a friction member 21 which may be depressed by means of a push-button 22 according to the horn principle in a direction at right angles to the pin 17. As a result of this the pin 17 is pushed upwards and the shaving head 2 is lifted on one side. As a result of the action of the wire springs 15, the pin 17 is again pushed downwards and the pushbutton 22 is moved outwards when the push-button 22 is released.
In the closed condition, the rabbeted edge 24 of the flap 6 grips behind the edge 23 of the shaving head mount 2 which is flanged downwards. If the flap 6 is raised from the position shown in FIGURE 2 into that shown in FIGURE 3, the round edge 26 and the joining inclined face extends along the edge 23 of the shaving head mount 2 and pushes it upwards, after which the rabbeted edge 24 falls behind the edge 23 and the shaving head mount 2 is returned to the initial position on the edge 16 by the springs 15. As a result of the resilience of the wire 17 the flap may also move downwards. The rabbeted edge 24 which grips behind the edge 23 is constructed so that it is highest in the center of the flap 6 and that its height decreases towards both sides. So the flaps are symmetrical and consequently easy to manufacture. If the shaving head is lifted by depressing the push-button 22 the flap is set free from the edge 23 and will open under the influence of the tensioned spring 7.
What is claimed is:
1. A release mechanism for side flaps of a hair chamber located in the housing of a dry shaving apparatus engaged and closed by the bottom edge of the shaving head mount comprising means pivoting said flaps to said hair chamber, each of said flaps having a locking edge that engages said bottom edge of the shaving head mount, said release mechanism comprising lifting means which lifts said shaving head mount a distance suificient to cause the locking edge of said flaps to be released from engagement with said shaving head mount thereby permitting said flaps to move to an outward and open position, and a spring-biased friction member engaging said lifting means and movable against spring pressure to lift said lifting means.
2. A release mechanism for side flaps of a hair chamber located in the housing of a dry shaving apparatus engaged and closed by the bottom edge of the shaving head mount comprising means pivoting said flaps to said hair chamber, each of said flaps having a locking edge,
that engages said bottom edge of the shaving head mount, said release mechanism comprising an elongated member in the housing of said dry shaving apparatus, a springbiased friction member movable in said housing and engaging said elongated member whereby force is transmitted through said elongated member to lift said shaving head mount a distance sufiicient to cause the locking edge of said flaps to be released from engagement with said shaving head mount thereby permitting said flaps to move to an outward and open position.
3. A release mechanism as claimed in claim 2 wherein said elongated member is a pin having one end engaged with said shaving head mount, the other end being bent through an angle of approximately 90, a push-button substantially in the plane of said other end and movable in a direction substantially at right angles to said one end of the pin to thereby move said one end vertically to lift said shaving head mount.
4. A release mechanism for side flaps of a hair chamber located in the housing of a dry shaving apparatus engaged and closed by the bottom edge of the shaving head mount comprising means pivoting said flaps to said hair chamber, each of said flaps having a locking edge that engages said bottom edge of the shaving head mount, said release mechanism comprising means which lifts said shaving head mount a distance sufiicient to cause the locking edge of said flaps to be released from engagement with said shaving head mount thereby permitting said flaps to move to an outward and open position, said release mechanism being located laterally of said hair chamber and the locking edge of each of said flaps being slightly angular relative to the bottom edge of said shaving head mount, the highest point of said locking edge being closest to said release mechanism.
5. A release mechanism as claimed in claim 1 wherein said release mechanism is located in the top of said housing in a plane between said side flaps.
References Cited by the Examiner UNITED STATES PATENTS 2,765,096 10/1956 Sharp 292-86 X 3,061,925 11/1962 Vacs 30-416 3,078,570 2/1963 Vaes 30-416 FOREIGN PATENTS 341,733 11/1958 Switzerland.
WILLIAM FELDMAN, Primary Examiner.
MILTON S. MEHR, Examiner.

Claims (1)

1. A RELEASE MECHANISM FOR SIDE FLAPS OF A HAIR CHAMBER LOCATED IN THE HOUSING OF A DRY SHAVING APPARATUS ENGAGED AND CLOSED BY THE BOTTOM EDGE OF THE SHAVING HEAD MOUNT COMPRISING MEANS PIVOTING SAID FLAPS TO SAID HAIR CHAMBER, EACH OF SAID FLAPS HAVING A LOCKING EDGE THAT ENGAGES SAID BOTTOM EDGE OF THE SHAVING HEAD MOUNT, SAID RELEASE MECHANISM COMPRISING LIFTING MEANS WHICH LIFTS SAID SHAVING HEAD MOUNT A DISTANCE SUFFICIENT TO CAUSE THE LOCKING EDGE OF SAID FLAPS TO BE RELEASED FROM ENGAGEMENT WITH SAID SHAVING HEAD MOUNT THEREBY PERMITTING SAID FLAPS TO MOVE TO AN OUTWARD AND OPEN POSITION, AND A SPRING-BIASED FRICTION MEMBER ENGAGING SAID LIFTING MEANS AND MOVABLE AGAINST SPRING PRESSURE TO LIFT SAID LIFTING MEANS.
US263978A 1962-03-14 1963-03-08 Dry-shaving apparatus provided with a hair chamber with flap Expired - Lifetime US3220109A (en)

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US (1) US3220109A (en)
BE (1) BE629491A (en)
CH (1) CH410672A (en)
DE (1) DE1163189B (en)
DK (1) DK103986C (en)
ES (1) ES285968A1 (en)
FI (1) FI42678B (en)
GB (1) GB1027533A (en)
LU (1) LU43325A1 (en)
NL (2) NL275965A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381375A (en) * 1965-05-14 1968-05-07 Krups Robert Electric dry-shaver having a reciprocating cutting blade
US3386168A (en) * 1965-06-15 1968-06-04 Carinthia Elektrogerate Ges M Shaving head for a dry shaver having a cutter foil mounted on a pivotal frame
US3408736A (en) * 1966-07-29 1968-11-05 Kobler & Co Multiple part shearing head for dry shavers
US3421217A (en) * 1967-06-29 1969-01-14 Schick Electric Inc Hair receptacle for electric shaver
WO2006067710A1 (en) * 2004-12-22 2006-06-29 Koninklijke Philips Electronics N.V. Rotary shavers, with improved drive and support structure for the shaving heads
US20100275446A1 (en) * 2009-04-29 2010-11-04 Rovcal, Inc. Rotary electric shaver

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765096A (en) * 1955-06-17 1956-10-02 Ewing L Sharp Detachable box lock
CH341733A (en) * 1956-03-23 1959-10-15 Kobler & Co Electric dry shaver
US3061925A (en) * 1959-04-29 1962-11-06 Philips Corp Dry shaving apparatus comprising a hair chamber with a flap
US3078570A (en) * 1959-05-19 1963-02-26 Philips Corp Detachable fastening means for attaching shaver head to dry shaver housing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765096A (en) * 1955-06-17 1956-10-02 Ewing L Sharp Detachable box lock
CH341733A (en) * 1956-03-23 1959-10-15 Kobler & Co Electric dry shaver
US3061925A (en) * 1959-04-29 1962-11-06 Philips Corp Dry shaving apparatus comprising a hair chamber with a flap
US3078570A (en) * 1959-05-19 1963-02-26 Philips Corp Detachable fastening means for attaching shaver head to dry shaver housing

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381375A (en) * 1965-05-14 1968-05-07 Krups Robert Electric dry-shaver having a reciprocating cutting blade
US3386168A (en) * 1965-06-15 1968-06-04 Carinthia Elektrogerate Ges M Shaving head for a dry shaver having a cutter foil mounted on a pivotal frame
US3408736A (en) * 1966-07-29 1968-11-05 Kobler & Co Multiple part shearing head for dry shavers
US3421217A (en) * 1967-06-29 1969-01-14 Schick Electric Inc Hair receptacle for electric shaver
WO2006067710A1 (en) * 2004-12-22 2006-06-29 Koninklijke Philips Electronics N.V. Rotary shavers, with improved drive and support structure for the shaving heads
US20100011589A1 (en) * 2004-12-22 2010-01-21 Koninklijke Philips Electronics N.V. Rotary shavers, with improved drive and support structure for the shaving heads
CN101084092B (en) * 2004-12-22 2010-08-11 皇家飞利浦电子股份有限公司 Rotary shavers, with improved drive and support structure for the shaving heads
US8844141B2 (en) 2004-12-22 2014-09-30 Koninklijke Philips N.V. Rotary shavers, with improved drive and support structure for the shaving heads
US9616583B2 (en) 2004-12-22 2017-04-11 Koninklijke Philips N.V. Rotary shavers, with improved drive and support structure for the shaving heads
US10118303B2 (en) 2004-12-22 2018-11-06 Koninklijke Philips N.V. Rotary shavers, with improved drive and support structure for the shaving heads
US20100275446A1 (en) * 2009-04-29 2010-11-04 Rovcal, Inc. Rotary electric shaver

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DK103986C (en) 1966-03-14
GB1027533A (en) 1966-04-27
FI42678B (en) 1970-06-01
NL275965A (en) 1900-01-01
DE1163189B (en) 1964-02-13
BE629491A (en) 1900-01-01
NL110954C (en) 1900-01-01
LU43325A1 (en) 1963-05-11
ES285968A1 (en) 1963-05-01
CH410672A (en) 1966-03-31

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