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US4060870A Expired / Lapsed US ⏱️ 0.0 years remaining

Toothpaste administering automatic toothbrush

Assignee: Individual
•
Filing: 1975-12-23
•
Granted: 1977-12-06
•
Expires: 1995-12-23
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Abstract

Abstract A dental appliance including a curved tubular extension consists of a housing formed with first and second elongated recesses, and first and second pumps secured to the housing for pumping a paste and a fluid directly through the first and second recesses, respectively. A flexible drive shaft is rotatably disposed within the curved tubular extension and one end of the drive shaft is operatively connected to an electric motor within the housing. The housing and the tubular extension formed thereon are divided into first and second portions, which may be separated along a plane substantially intersecting the longitudinal axis of the motor and that of the flexible shaft. A bearing rotatably supports the flexible shaft extending therethrough and secures the first and second portions of the tubular extension together. A toothbrush is drivably attached to the other end of the flexible shaft for rotating therewith. Upon actuation of the pumps the paste and the fluid are applied to an oral cavity containing teeth, and the teeth therein may be cleaned by the toothbrush upon actuation of a switch energizing the motor, and direct application of the toothpaste and/or the liquid.

Inventors

  • 👤 Anthony Cannarella

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:36
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; A61C17/28

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 281 words
A dental appliance comprising: a housing including a curved tubular extension, said housing having opposite ends and formed with first and second elongated recesses; first and second pump means secured to said housing for pumping a paste and fluid directly through said first and second recesses, respectively, for the fluid to emerge from said second recess near said other of said ends; electric rotary drive means disposed in said housing between said opposite ends and having a first longitudinal axis; a flexible drive shaft having a second longitudinal axis and first and second ends rotatably disposed within said curved tubular extension, said first end of said drive shaft being operatively connected to said drive means and said second end of said shaft extending through the other of said housing ends, said housing being divided into first and second portions separable along a plane substantially intersecting said longitudinal axes; bearing means for rotatably supporting said flexible shaft extending therethrough and for securing the first and second portions of said tubular extension together; a toothbrush drivably attached to said second end of said flexible shaft to rotate therewith; valve means to close off said first and second elongated recesses, respectively, near said other of said ends of said housing; and switch means attached to said housing and connected to said electric rotary drive means and to a power supply for switching said electric rotary drive means on and off, whereby upon actuation of said pump means the paste and the fluid are applied to an oral cavity containing teeth and the teeth therein are cleanable by said toothbrush upon actuation of said switch means, and direct application of the toothpaste and the fluid.
Claim 2
Dependent Claim 281 words
A dental appliance comprising: a housing including a curved tubular extension, said housing having opposite ends and formed with first and second elongated recesses; first and second pump means secured to said housing for pumping a paste and fluid directly through said first and second recesses, respectively, for the fluid to emerge from said second recess near said other of said ends; electric rotary drive means disposed in said housing between said opposite ends and having a first longitudinal axis; a flexible drive shaft having a second longitudinal axis and first and second ends rotatably disposed within said curved tubular extension, said first end of said drive shaft being operatively connected to said drive means and said second end of said shaft extending through the other of said housing ends, said housing being divided into first and second portions separable along a plane substantially intersecting said longitudinal axes; bearing means for rotatably supporting said flexible shaft extending therethrough and for securing the first and second portions of said tubular extension together; a toothbrush drivably attached to said second end of said flexible shaft to rotate therewith; valve means to close off said first and second elongated recesses, respectively, near said other of said ends of said housing; and switch means attached to said housing and connected to said electric rotary drive means and to a power supply for switching said electric rotary drive means on and off, whereby upon actuation of said pump means the paste and the fluid are applied to an oral cavity containing teeth and the teeth therein are cleanable by said toothbrush upon actuation of said switch means, and direct application of the toothpaste and the fluid.
Claim 3
Dependent Claim 41 words
A dental appliance according to claim 1 wherein said housing is further formed with third and fourth recesses near said one of said end communicating with said first and second elongated recesses, respectively, for holding the paste and the fluid, respectively.
Claim 4
Dependent Claim 14 words
A dental appliance according to claim 1, wherein said pump means are operable manually.
Claim 5
Dependent Claim 22 words
A dental appliance according to claim 1 wherein said electric rotary drive means is an alternating-current motor connectable to an alternating-current power-supply.
Claim 6
Dependent Claim 30 words
A dental appliance according to claim 1 further comprising a battery disposed within said housing, and wherein said electric rotary drive means is a d.c. motor connected to said battery.
Claim 7
Dependent Claim 20 words
A dental appliance according to claim 5 wherein said battery is rechargeable from a source external to said dental appliance.
Claim 8
Dependent Claim 21 words
A dental appliance according to claim 1 wherein said toothbrush is removable from said second end of said flexible drive shaft.
Claim 9
Dependent Claim 16 words
A dental appliance according to claim 1 wherein said housing is formed of synthetic plastic material.
Claim 10
Dependent Claim 32 words
A dental appliance according to claim 1 wherein said first and second pump means include first and second pistons and first and second covers attachable to said first and second pistons, respectively.

References Cited (Backward Citations)

US3192922A Cited
US3195537A Cited
FR1405404A Cited
US3447178A Cited
US3822432A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-12-05 1981-06-06 1981-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-12-05 1985-06-06 1985-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-12-05 1989-06-06 1989-12-06 $7700.00 Window Closed / Lapsed

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