US1900326A - Fountain toothbrush - Google Patents

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Classifications

• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
  • A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
  • A46B11/002—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs pressurised at moment of use manually or by powered means
  • A46B11/0024—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs pressurised at moment of use manually or by powered means with a permanently displaceable pressurising member that remain in position unless actuated, e.g. lead-screw or ratchet mechanisms, toothpaste tube twisting or rolling devices
  • A46B11/0027—Lead-screw mechanisms

Definitions

• This invention relates toimprovements in brushes, particularly toothl brushes, and it is the principal object of my invention to provide a tooth brush having means for egect- 2 ing a paste contained in the hollow handle of the brush to the bristles in any desired quantit
• Another object of my invention is the provision of a fountain tooth brush the handle of which is composed of two parts, one of which contains the paste and the other ⁇ provided with a bore having a conical cavity at its en'd to receive the paste, and communicating at its opposite end with a bore in a brush head to supply the bristles with the quantity of paste from said handle.
• Fig. 1 is a longitudinal sectional view of a tooth brush constructed according to my in- 25 vention.
• Fig. 2' is a top plan view thereof.
• Fig. 3 is a cross-sectional view on line 3-3 of Figure 1.
• Fig. 4 is a cross-sectional view on line 4 4: 3u of Figure 1.
• Fig. ⁇ 5 is a fragmentary 'longitudinalsec-l tional view of the brush head.
• the handle of a tooth brush is composed of two sections 10 and 11 preferably hexagonal in cross-section in order to provide an eective grip.
• the outer section 10 hollow and provided with linner thread 12 adapted to receive the en- Q larged end of the inner section 11 provided p 4o with an external thread at its end.
• the outer section is adapted to be filled with a paste 13, and carries atits outerk end a lmob 14.
• the inner section has a longitudi' nal central bore 15 having a conical entrance 16 at the end in communication with the paste containing outer section and at its opposite end with a central longitudinal duct 17 of a brush head 18, the shank 19 of which is threaded into the end of the inner section as at 20.
• the duct 17 in this shank has a thread to engage the shank of said head, an enlarged externally threaded opposite end to engage said handle and a conical cavity with- '1931.
• a tooth brush comprising an elongated head of semi-elliptical cross'section having a cylindrical shank provided with an external thread and containing a duct, a bristle carrying plate secured on the flat side of said head having a central opening communicating with the duct, a tubular paste container handl@ having a cap at its outer end and pro vided with an internal thread, and a connector element' of hexagonal cross section provided with a bore, an internal thread to engage the shank of said head, an enlarged externally threaded opposite end to engage said handle and a conical cavity within the enlarged end open to its bore.
• a tooth brush comprising an elongated head of semi-*elliptical cross section having a cylindrical shank provided with an external thread and containing a duct, a bristle carrying plate secured on the flat side ofsaid head havin a central opening communicating with t e duct, a tubular paste container handle having a threaded cap at its outer end and provided with an 'internal thread for receiving the threads ofthe cap to facilitate the filling of cream or paste to the handle, and a connector element of hexagonal cross section provided with a bore, an internal in the enlarged end open to its bore.

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• Brushes (AREA)

Description

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=24098816

Family Applications (1)

Country Status (1)

Cited By (11)

• 1931
  • 1931-04-01 US US526793A patent/US1900326A/en not_active Expired - Lifetime

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