Patents Assigned to Dr. Johns Products, Ltd.
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Publication number: 20020152564Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a moving portion, a handle, and an angled shaft between the head and the handle. The moving portion rotates or reciprocates about an axis normal to a longitudinal axis of the head. The moving portion can include stiff bristles and massaging tips and the static portion can include soft bristles and massaging tips. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the moving portion for rotating or oscillating or reciprocating the moving portion. A battery is located within the hollow section for powering the motor. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other.Type: ApplicationFiled: April 15, 2002Publication date: October 24, 2002Applicant: DR. JOHNS PRODUCTS, Ltd.Inventors: Lawrence A. Blaustein, John R. Nottingham, John Osher, John W. Spirk, Douglas A. Gall
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Publication number: 20020038772Abstract: A package for an article incorporating an on/off switch having a momentary-on position and a continuously-on position is disclosed. The package includes a cover such as a blister-type cover at least partially enclosing the article, and a recess arrangement formed in the cover proximate the switch. The recess arrangement prevents the switch from being slid into the continuously-on position while permitting the switch to be depressed into a momentary-on position. The recess arrangement includes a first recess positioned directly over the switch, and a second recess positioned directly adjacent the switch.Type: ApplicationFiled: November 5, 2001Publication date: April 4, 2002Applicant: Dr. John Products, Ltd.Inventors: Lawrence A. Blaustein, John Osher, John R. Nottingham, John W. Spirk
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Patent number: 6189693Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or oscillates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating the circular portion. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other. One of the step gears is offset with respect to a longitudinal axis of the elongated body portion.Type: GrantFiled: January 25, 1999Date of Patent: February 20, 2001Assignee: Dr. Johns Products, Ltd.Inventors: Lawrence A. Blaustein, John Osher, John R. Nottingham, John W. Spirk
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Patent number: 6178579Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or reciprocates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating or reciprocating the circular portion. A battery is located within the hollow section for powering the motor. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other.Type: GrantFiled: August 25, 1999Date of Patent: January 30, 2001Assignee: Dr. Johns Products, Ltd.Inventors: Lawrence A. Blaustein, John R. Nottingham, John Osher, John W. Spirk, Douglas A. Gall
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Patent number: 6000083Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or oscillates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The stiff bristles are recessed with respect to the soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating the circular portion. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other.Type: GrantFiled: September 30, 1998Date of Patent: December 14, 1999Assignee: Dr. Johns Products, Ltd.Inventors: Lawrence A. Blaustein, John R. Nottingham, John Osher, John W. Spirk
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Patent number: D432312Type: GrantFiled: January 25, 1999Date of Patent: October 24, 2000Assignee: Dr. Johns Products, Ltd.Inventors: Lawrence A. Blaustein, John Osher, John R. Nottingham, John W. Spirk
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Patent number: D433814Type: GrantFiled: January 25, 1999Date of Patent: November 21, 2000Assignee: Dr. Johns Products, Ltd.Inventors: Lawrence A. Blaustein, John Osher, John R. Nottingham, John W. Spirk