|Publication number||US2326632 A|
|Publication date||Aug 10, 1943|
|Filing date||Oct 3, 1941|
|Priority date||Oct 3, 1941|
|Publication number||US 2326632 A, US 2326632A, US-A-2326632, US2326632 A, US2326632A|
|Original Assignee||Benjamin Friedman|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (61), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Au@ 10, 1943- B. FRIEDMAN 2,326,632
IN'IERCHANGEABLE TOOTHBRUSH Filed Oct. 3, 1941 A l 'PJ' 5.
zo L5 a s# 5 ATTRNE Y Patented Ang. 10, 1943 oNiTsDsTATE-s PAT mrnacnsncmnti:liro'ornnnpsrt i Benjamin Friednaani'NeW'York-N. Y. istantanea october ajisrirserai Nanegagi* 'Y i F e zona-ss. Ici. .i-176') Y This, invention relates to newl and useful irnprovements in anV interchangeable tooth brush. More particularly, the invention relates Yto a tooth brush having a handle with afrecessed head portion to receive a tooth brush refill, or a' massaging member rell, ora combination rell.
The dominant feature of the invention' resides in the manner in which thelreflls arereleasibly mounted in position. f l
In one formv of the invention a novel arrangement is proposed whereby a stern is removably mounted through the handle and engages one end oi the refill for releasibly holding the same in conjunction with stud and socket elements which l are mounted on the handle and reiill forholding the other end of the refill.
Still further the invention proposes a modiied construction in which the refill may be sup-v.
Acue la and engages one end bf the-enul2 'fer' Y releasibly holding the same.' .A studelement I4 1 is mounted on the head portion' maar the-hanments" I'I.
In the accompanying drawing forming a mate- I rial part of this disclosure:
Fig. 1 is a perspective view of an interchangeable tooth brush constructed in accordance with this invention.
Fig. 2 is a longitudinal sectional View of the v tooth brush shown in Fig. 1.
Fig. 3 is a perspective View of the reiill shown in Fig. 1.
Fig. 4 is a perspective view of the reiill shown in Fig. 3, but turned around. Y
Fig. 5 is a fragmentary enlarged detailed View of the stem shown in Fig. 2.
Fig. 6 is a fragmentary sectional view similar to Fig. 2 but illustrating a modified construc-` tion.
Fig. '7 is an elevational view of a rell adapted to be used in the interchangeable tooth brush.
Fig. 8 is another fragmentary sectional view similar to Fig. 6 but illustrating still `another ferm of the invention.
Fig. 9 is another sectional View similar to Fig 6 but illustrating another modification.
The interchangeable tooth brush, in accordance with this invention, includes a handle IQ having a head portion Ilia which is formed with a recess II to receive a tooth brush rell I2 which is illustrated mounted in said recess. A stem I3 is removably mounted through the handle and engages a`socketelenent.'lfsuchlas a niche, on thev other endvof the rell I2, 5 I "f The vreiill I2 'comprises a base section :i 6.3 sup- Y portinga plurality of bristles or massaging-lele".
The stem `I3'y is engaged through a 1 tube I8 which is xedly mounted'through the handle I lThe'outerrend-ofgthestern I3 is provided with a screw IS havinga head` portionZI) y by which the screw may be turned.` K'Ihe'screw I9 threadedly engages Ya-portionof the tube I8.
The inner endV of the stem I3,'indicated by reference numeral Ia, normally engages an aperture 2| formed in the end-of the refill l2.
l Figs.` 1 and 2 illustrate the toothbrush ready When it is desired to remove the refill." vl2 it is merely necessary that the head 20v be turned'to screw out the stem I3 a little way s o. f that the end I3a disengages from .the openingA for use.
2|. The refill I2 is now free and maybe lifted out. rell inthe nature of a massagingrefill illustrated'in Fig. 7, and indicated by vreference numeral I2. This rell I2' has theusual base por- I tion IS formed with the openings I5 and 2I`in the end portions thereof.A Massa'gn'g elements I'I project from its top face.
In Fig. 6 a modifiedform of thefinvention is disclosed which distinguishes from the first form in the vfact kthat the stern I3 passes through the handle I0 instead of passing through a tube mounted in the handle as previously explained.
The screw I9 of the stem I3threadedly engages the rear portion of the handle I0. In other re-V spects this form of the vinventionfis similar to the previous formand like parts are indicated by the same reference numerals. Y
In Fig. 8 still another form of the invention is illustrated in which the reIill'IZa is4 provided with a series of apertures Zia along one end thereof. The stem I3 is adapted to engageo'ne.
ofthese apertures to hold this end of the refill projected a selected amount. The other end of the refill I2a is pivotally supported by a stud |48 which engages a conical socket |58` formed in. n The stud 14a is shown to be integral with the head portion I la of thev the end of the refill |25.
tooth brush. In other respects this form of the invention is similar to the previous forms.
A similar rell may be substituted, or a*V Y pivoted to a new selected position and held in this position by re-engaging the stem I3 with the aperture 2 la now aligned with it. s l
It is possible to adjust the angular inclination of the refill |2a to suit the requirements of the user as governed by the manner in which'the handle of the tooth-brush is gripped. Also, if the bristles l1 on the end of the refill |2n having the apertures 2|a wear away, it is possible to extend =,these bristles to cause the front ends of all of the-bristles to assume apposition parallel with the back of the brush.
In Fig. 9 still another form of the invention -is J disclosed which distinguishes from the prior form in the construction of the refill '|2b., This rei-lil is shown provided with a projecting stud I5b which engages a conical socket Mb formed in the adjacent portion of the head ma of the handle.VV
The stem vI3 engages an opening 2| inthe other end-ofthe refill for releasably holding ,itr in posi- Y While AIV havelillustrated and described'thelpreferred ,embodiments df my invention, it is to'be -,`ing'within the scope of the invention as .defined .5in theA-appendedclaims. f L Y r Having .thus described my ,-invention,.nwhat `I claim as new, and desire to secure by United States Letters Patent is.:
1. An interchangeable tooth brush, comprising a handle having a recessed head portion to receive a tooth brush or massaging member refill, a rell member in said recessed head portion, a stern removably mounted through said handle and engaging one end of said reill for releasably holding same, and stud and socket elements mounted on said handle and rell for holdling vthe other end of said reiill'said refill having a' series of openings engageable by said stem by which the refill may be supported in various positions.
i2. An interchangeable tooth brush, comprising a handle having a recessed head portion to receive a tooth brush or massaging member rell,
Vand engaging one end of said refill for releasably holding gsame, andstudand socket elements mountedpn,said,handleand refillrfor holding the other end of .said `refill-said rell having a series 1 of openings engageable by said 4stem by which lthe refill -may be supportedin` various positions,
@and saidstudand socket elements'being adapted to Apivota'lly support one end of Y:said rellwhile l said stemsupportS-said other end `in various elevated positions. ,t ,i v
v BENJAMIN FRIEDMAN.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US2574789 *||Jun 28, 1948||Nov 13, 1951||Kenna Evalyn R||Combined toothbrush and massaging device|
|US2618003 *||Apr 5, 1948||Nov 18, 1952||Robey William G||Toothbrush|
|US2674000 *||Nov 9, 1949||Apr 6, 1954||Gruthusen Henry J||Toothbrush having dentifrice feeding means|
|US2677842 *||Nov 7, 1950||May 11, 1954||Sherwin Lawrence W||Toothbrush with dispensable cleansing pad|
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|WO1984000482A1 *||Jul 22, 1983||Feb 16, 1984||Robert Perches||Brush|
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|U.S. Classification||15/176.4, 15/167.1, 15/172|
|International Classification||A46B7/00, A46B7/04|