US1776312A - Toothbrush - Google Patents

Description

S. CZENCZ TOOTHBRUS H se ik 23, 1930.

Original Filed Dec. 10, 1926 Patented Sept. 23,1930 1,776,312

UNITED STATES PATENT OFFICE V TOOTI-IBRUSH Application filed December 10, 1926, Serial No. 153,992, and in Hungary December 12, 1925. Renewed.

V February 19, 1930. r

i This invention relates to atoothbrush. position, whereby the head and handle will It is generally aimed to vprovide an imbe operatively connected. proved construction which is relatively ineX- It will be realized that the bristles 6, 7 and pensive and has bristles arranged in a novel 8 will simultaneously clean all surfaces of the manner'to efiectively engage all surfaces of teeth as the brush head is drawn over them 55 the teeth. 7 V and that it is not necessary to remove the head i In addition, an object is to provide a new A from the mouth as when changing the zone form of brush head using spaced ribs serv-' of operation because the handlecan be shifting dually to reinforce the head and constituted on its lugs to the extent of 180 and at each ing attachingmeans for a handle. terminal of its movement will rest against the co 'Additional objects and advantages will in back 1. 1 part be pointed out and in part become, ap- Changes may be resorted to provided they Y parent in considering the following descripfall within the spirit and scope of the inveni tioninconnection with accompanying drawtion as defined by the appended claim.

ings illustrating an operative embodiment, I claim as my invention cs and wherein g A toothbrush head having a body member 1 Fig. 1 is a side elevation'of the toothbrush; provided with spaced portions constituting Fig. 2 is an end elevation of the toothbrush; backs, bristles extending from the backs to- Fig. 3 is a plan view of the toothbrush, and ward each other, a connecting member for Fig. 4=is atransverse section taken through said backs spaced from the respective ends is the brush head alone along the line of the hanthereof and having bristles on opposite sides dle-engaging sockets. Z thereof extending towardsaidends, one of f Referring specifically to r the drawings said backs having spaced, outwardly extendwherein like reference characters designate ing, longitudinal ribs thereon disposed at sub- 7 likeor corresponding parts in the several stantially' a right angle to said connecting 1 views, a generally H-shaped head or body' member to generally reinforce the head and member is provided at A which may be made having sockets facing each other to constitute of celluloid. Said head has backsl and 2 attaching means for a handle. a ,which are joined intermediate their ends by a In testimony whereof the foregoing speci- 3 wall or connecting'member '3. vBristles 6 and 'fication is. signed. (extend from the backs 1 and 2, respectively,

toward each other and injthe'manipulation of the brush head are adapted to engage the opposite surfaces of the teeth. 'The bitingsur- STEPHEN, CZENCZ. 7

. 8 extending from opposite sides of the wall 7 r v 3 toward the ends ofthe backs l and 2, but

terminating short thereof,

The'he ad A is manipulated by means of a handle 4 having a pair oflaterally'extending V v 9O "lugs 5, which are swivelled in sockets-9 prov i idedfin the inner surfaces of spaced ribs'10 Yformedlongitudinallyalongthe back "lto 4 reinforce such backand constitute fastening means forthe handle." T 1 I 'In attaching the handle a to'the back A,"the

' latter is heated whereby the ribs v9 are rendered pliable for separation to receive the lugs L50 5 and to be thereafter restored to original 1 Y 199 faces of theteeth are engageableby bristles I r

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