US3408736A - Multiple part shearing head for dry shavers - Google Patents

Multiple part shearing head for dry shavers Download PDF

Info

Publication number
US3408736A
US3408736A US656439A US65643967A US3408736A US 3408736 A US3408736 A US 3408736A US 656439 A US656439 A US 656439A US 65643967 A US65643967 A US 65643967A US 3408736 A US3408736 A US 3408736A
Authority
US
United States
Prior art keywords
shearing
base plate
casing
grooves
multiple part
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
US656439A
Other languages
English (en)
Inventor
Kobler Kurt
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.)
Kobler and Co
Original Assignee
Kobler and Co
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 Kobler and Co filed Critical Kobler and Co
Application granted granted Critical
Publication of US3408736A publication Critical patent/US3408736A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof

Definitions

  • inner 'drg duterjshearing' elements are I V grooves of abase'plate ahd re'inovably secured'in the grooves by a locking gnembe r perretrgtirlg through aligned holes in the grooved portion of the base plate and in the outer shearing elements.
  • Theb'a'se plate is provided'with circumferentially grooved I corresponding rece'ss'e's' in thd'shavefcas'irig and removably secured in position by spring-biased locking pawls engaging said circumferential grooves in the bolts or plugs.
  • This invention relates to a multiple part shearing head for dry shavers of the kind having a plurality of elongate outer shearing elements of U-shaped cross section and associate elongate driven inner shearing elements resiliently applied against the outer shearing elements.
  • outer shearing elements usually are secured to a portion of the shaver casing, for example by rivets. This type of fixing the outer shearing elements has the inconvenience that the shearing head can no longer be disassembled into its different components, thus rendering diflicult a thorough cleaning of the shearing head after use of the shaver.
  • the outer shearing elements are arranged side by side on a common base plate and are engaged on the plate without constraint so as to be easily and separately removable therefrom;
  • the outer shearing elements are each inserted in a corresponding grooves of the base plate and maintain therein by holding means, for example by the two branches of a U-shaped holding needle.
  • the base plate also is removably mounted on the casing of the shaver, for example by means of spring pawls.
  • Pivotally mounted closure flaps covering the two lateral ends of the shear head when the shaver is operating may be held in opened and closed position by the same springs which hold the spring pawls in engaged position, one end of the springs being attached to the pawls and the opposite end to said closure flaps.
  • FIGURE 1 is an end view of a multiple part shearing head, partially shown in disassembled condition
  • FIGURE 2 is a plan view of a holding element
  • FIGURE 3 is a side view in elevation and partly in plugs or. bolts. inserted into v 'ice section of the shearing head, showing also a portion of the motor compartment with the front casing half removed.
  • FIGURE 4 is a section along the line IV-IV of FIG- URE3.
  • the illustrated shearing head comprises a base plate 1 provided with six identical parallel transverse grooves serted inicorresponding 2 and three parallel transverse grooves 3 which also .are identical among themselves, a groove 3 being arranged between two grooves 2.
  • the grooves 2 are arranged to receive the two spaced stems 4' of the three stationary outer, U-shaped cutters or shearing elements 4.
  • the grooves 3 serve as guide for the stems 5' of the movable inner cutters or shearing elements 5.
  • FIGURE 1 two outer cutters 4 are shown inserted in the-base plate 1 and secured in their position by means of a U -shaped. holding needle 6.
  • the two parallel branches of the needle 6 penetrate through aligned bores 11. provided in the ribs formed in the base plate 1 between the grooves 2 and 3 and through corresponding bores 4" in the stems of the outer cutters.
  • the movable inner cutters 5 are inserted in the outer cutters 4.
  • the third outer cutter 4 and the corresponding inner cutter 5 are shown removed from the base plate 1 and ar separately represented.
  • the holding needle 6 is partly pulled out of the base plate. This needle is conveniently formed with two branches as shown in FIGURE 2, penetrating through two series of aligned holes 1 and 4".
  • the base plate 1 is provided with three recesses 7 situated in the longitudinal central axis and in the region of the grooves 3.
  • a driver member 11 is pivotally mounted on an axis 12 and is operatively connected to the motor, not shown, by a lever arm 22.
  • the driver member 11 carries three extensions 9 in spaced alignment, corresponding to the distance between the three recesses 7.
  • Driving sleeves 10 are placed over the upper ends of the extensions 9 and are urged by springs 8 engaged :on the extensions 9 between the sleeves and the member 11 into engagement with the recesses 7, in order to impart reciprocating motion, as is well known, to the movable inner cutters, not shown in FIGURE 3.
  • the base plate 1 carries two identical bolts 13 provided each with a circumferential groove 14 forming a neck portion of reduced diameter.
  • the bolts 13 engage in corresponding recesses 15 of the casing.
  • Sliding pawls 16 provided each with a projecting portion 17 and a slot 24 are engaged in recesses 23 of the casing.
  • Springs 18 and 18' exert a pull on the pawls 16.
  • the bolts 13 penetrate through the slots 24 in the pawls 16 and the springs 18 and 18 hold the pawls in engagement with the circumferential grooves 14 of the bolts.
  • the projecting portions 17 of the pawls 16 limit the outward movement of the pawls 16 when the shearing head is removed from the casing 21, to enable insertion of the bolts 13 into the recesses 15 and through the slots 24 of the pawls 16.
  • the outer ends of the springs 18 and 18' are attached to flaps 19 and 19', respectively, which are pivotally mounted in the two casing halves 21 by means of pins 25 engaging corresponding holes 20, 20 in the casing 21.
  • the points of attachment of the springs 18, 18' on the flaps 19, 19 are so situated, that the flaps are maintained by spring pressure either in open or in closed position.
  • the base plate 1 is shown as being removable from the casing of the shaver; the base plate could also be permanently secured to thecasing, or it could form an integral part of the casing.
  • a multiple part shearing head for dry shavers having 3 v a plurality of elongate, outer, stationary shearing elemen of U-shape'd cross-section and 'associated inner driven shearing elements resiliently applied against the outer shearing elements, wherein the outer shearing elements are inserted side by side in grooves of a common base plate and are locked in the grooves by means of a needle inserted through aligned holes provided in the outer shearing elements and in the base plate so that the outer shearing elements are arranged on the plate without constraint and are easily and separately removable therefrom.
  • a shearing head according to claim 1 in which each of the two stems of each of the outer U-shaped shearing elements is inserted in a corresponding groove of the base plate.
  • a dry shaver having a multiple part shearing head according to claim 1 and comprising a casing, an elongate base plate removably secured to said casing, said 'base plate having one side thereof provided with first transverse grooves adapted to receive said outer, stationary shearing elements and with second transverse grooves arranged intermediate said first transverse grooves and adapted to receive said driven inner shearing elements, locking 2 means penetrating through aligned transverse holes provided in the grooved portion of said base plate and in said stationary shearing elements for holding said stationary shearing elements on the base plate, a plurality of bolts projecting from the other side of said base plate, said casing being recessed for receiving said bolts, said bolts being each provided with a circumferential groove, and spring biased pawls movably mounted in said casing to yieldingly engage said circumferential grooves of the bolts and lock said base plate to said casing.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
US656439A 1966-07-29 1967-07-27 Multiple part shearing head for dry shavers Expired - Lifetime US3408736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1104166A CH453947A (de) 1966-07-29 1966-07-29 Mehrteiliger Scherkopf für Trockenrasierapparat

Publications (1)

Publication Number Publication Date
US3408736A true US3408736A (en) 1968-11-05

Family

ID=4369452

Family Applications (1)

Application Number Title Priority Date Filing Date
US656439A Expired - Lifetime US3408736A (en) 1966-07-29 1967-07-27 Multiple part shearing head for dry shavers

Country Status (3)

Country Link
US (1) US3408736A (de)
CH (1) CH453947A (de)
GB (1) GB1122990A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002629A1 (de) * 1989-08-16 1991-03-07 Braun Aktiengesellschaft Messerblockkupplung für doppelkopfrasierer
JP2798210B2 (ja) 1991-12-20 1998-09-17 ザ ジレット カンパニー ドライシェービング装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006048731A1 (de) * 2006-09-07 2008-03-27 Braun Gmbh Haarentfernungsgerät

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379969A (en) * 1943-02-23 1945-07-10 Kobler Victor Dry-shaving apparatus
US2793430A (en) * 1955-01-26 1957-05-28 Sperry Rand Corp Dry shaver cutter heads
GB811207A (en) * 1956-10-23 1959-04-02 Alexis Leandre Jacques Victor Improvements in and relating to electric dry shavers
US3056198A (en) * 1960-02-11 1962-10-02 Schick Inc Adjustable multiple shaving head assembly for electric shavers
US3191300A (en) * 1963-01-14 1965-06-29 Sperry Rand Corp Guide means for inner cutter of a dry shaver
US3191298A (en) * 1962-03-16 1965-06-29 Sperry Rand Corp Means for securing cutter head units to a mounting plate
US3220109A (en) * 1962-03-14 1965-11-30 Philips Corp Dry-shaving apparatus provided with a hair chamber with flap
US3339277A (en) * 1965-04-02 1967-09-05 Sperry Rand Corp Cutter head assembly for dry shaver having skin undulating means
US3339278A (en) * 1963-08-14 1967-09-05 Jacob L Kleinman Assembled shearing section having a retractable shaving unit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379969A (en) * 1943-02-23 1945-07-10 Kobler Victor Dry-shaving apparatus
US2793430A (en) * 1955-01-26 1957-05-28 Sperry Rand Corp Dry shaver cutter heads
GB811207A (en) * 1956-10-23 1959-04-02 Alexis Leandre Jacques Victor Improvements in and relating to electric dry shavers
US3056198A (en) * 1960-02-11 1962-10-02 Schick Inc Adjustable multiple shaving head assembly for electric shavers
US3220109A (en) * 1962-03-14 1965-11-30 Philips Corp Dry-shaving apparatus provided with a hair chamber with flap
US3191298A (en) * 1962-03-16 1965-06-29 Sperry Rand Corp Means for securing cutter head units to a mounting plate
US3191300A (en) * 1963-01-14 1965-06-29 Sperry Rand Corp Guide means for inner cutter of a dry shaver
US3339278A (en) * 1963-08-14 1967-09-05 Jacob L Kleinman Assembled shearing section having a retractable shaving unit
US3339277A (en) * 1965-04-02 1967-09-05 Sperry Rand Corp Cutter head assembly for dry shaver having skin undulating means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002629A1 (de) * 1989-08-16 1991-03-07 Braun Aktiengesellschaft Messerblockkupplung für doppelkopfrasierer
US5201781A (en) * 1989-08-16 1993-04-13 Braun Aktiengesellschaft Coupling for the cutter assembly of twin-head shavers
JP2798210B2 (ja) 1991-12-20 1998-09-17 ザ ジレット カンパニー ドライシェービング装置

Also Published As

Publication number Publication date
CH453947A (de) 1968-03-31
GB1122990A (en) 1968-08-07

Similar Documents

Publication Publication Date Title
US2265775A (en) Pocketknife
US3008233A (en) Hair trimmer attachment for electric razors
US20080047145A1 (en) System Comprising an Electric Razor and at Least One Accessory
US3646672A (en) Adjustable folding razor
US6421925B1 (en) Single piece spring clip for razor
US3501836A (en) Electric dry shaver with an elongated member pivoted to the inner cutter and spring biased against the cutter and the driving member coupled thereto
DE202013002343U1 (de) Mechanischer Rasierer vereinfachter Bauart
US2807084A (en) Multiple blade safety razor with aligning means
US3408736A (en) Multiple part shearing head for dry shavers
US2253737A (en) Shaving implement
US2262388A (en) Shaving device
US2118498A (en) Safety razor
US2138353A (en) Razor
US3056198A (en) Adjustable multiple shaving head assembly for electric shavers
US2300143A (en) Cutter head for shaving devices
US1680289A (en) Hair-clipping device
US2273685A (en) Shaving device
US4754547A (en) Safety razor
US2331453A (en) Shaver head mounting
US2223156A (en) Electric dry shaver
GB1394933A (en) Shearing head for an electric razor
US3191300A (en) Guide means for inner cutter of a dry shaver
US2228768A (en) Hair clipping and shaving device
US2838836A (en) Reciprocating electric shaver having multiple shearing surfaces on outer and inner cutters
US2222107A (en) Dry shaving device