Abstract: A tooth-brushing device comprising a brushing unit having a pair of counter-rotating shafts, with bristles projecting radially outwardly from each shaft. The bristles are arranged in a series of clusters spaced from one another along the length of each shaft. Preferably, the clusters of bristles are spaced apart a distance approximately the width of a tooth.

Abstract: A rotary brush for applying paint to surfaces comprises a housing, a rotatable hollow cylindrical body which bears on the cylindrical surface a plurality of brush units, motor means, passage means for supplying paint from a supply channel to the bristles of the brush units, and a number of stationary guide rings mounted rigidly in the housing and guidingly surrounding the rotatable cylindrical body. The guide rings are disposed in zones transverse to the axis of the cylindrical body and distributed over the length of the same. Each ring bears a slidable bearing means adapted for bearing, for instance with a loose wheel at its free end, against the surface to be painted, thus relieving pressure of the bristles on the surface to be painted.

Abstract: Electrically driven continuous tooth brush, characterized by the fact that it consists of an interchangeable brush of cylindrical shape, the rotation of which is driven by an electric motor having a reversable sense of rotation, contained in a handgrip type housing. The brush body is peripherally screened from the mucous membrane of the mouth by a protective cap of cylindrical surface section shape with approximately 180.degree. angular width.

Abstract: An improved, portable, electrically energized surface finishing tool for use with peripherally acting finishing devices and for use with planar finishing devices is disclosed.

Abstract: A portable leaf cleaner is disclosed into which plant leaves to be cleaned or otherwise treated are introduced between rolls which apply a cleaning fluid to the leaves. Means are provided for controlling the flow of fluid to the rolls. One of the rolls is driven by a reversing motor while the other is frictionally driven by the first roll. The other roll is resiliently urged against the first roll, so as to be movable relatively to the first roll, to thereby prevent breakage or damage to the leaves as they pass between the rolls. The reversing motor is energized by a battery or cell, and the device is supported by a handle which is adapted to be grasped in one hand and has means associated therewith for controlling an electrical circuit which energizes the motor.

Abstract: A tube abrading tool for cleaning outer and inner surfaces of ends of pieces of copper tubing such as that employed in domestic water supply systems. The tool includes an electric motor supported in a housing. A longitudinal shaft is rotatably mounted to the motor with the opposite ends of the shaft extending beyond the periphery of the motor housing. A male abrasive member, such as a wire brush, is releasably secured to one end of the shaft and a female abrasive member, such as a wire brush, is releasably secured to the opposite end of the shaft, so that the tool is readily manipulated to clean the inside and the outside of the end of a piece of copper tubing preparatory to soldering.

Abstract: A portable, motor-operated cleaning device for removing leaves and other debris from rain gutters on buildings. An electric motor is pivotally mounted on the end of a telescoping rigid tubular handle with the electric cord for the motor extending along the interior of the handle to a switch mounted on the opposite handle end. A plurality of short sections of flexible line are mounted on the motor shaft for rotation with a high velocity by the motor. Each of the sections of line have a preformed configuration having a portion which extends in a generally radially outwardly direction from the shaft and an integrally connected portion which then extends in a generally concavely curved direction toward the direction of shaft rotation. A bracket is mounted on the motor housing and has a pair of rollers which are mounted at right angles with respect to a third roller to provide for rolling engagement with the horizontal and vertical outer edges of a rain gutter.

Abstract: A portable, battery-operated manicuring machine is disclosed in which the batteries and the final output shaft are aligned substantially coaxially. The motor and actuating switch are positioned within the housing intermediate the battery chamber and the final drive unit with the motor being radially offset from the axis of alignment of the drive unit, batteries and housing and the switch being positioned diametrically opposite the motor. The drive between the motor and the final output shaft includes a gear reduction train comprising a pinion gear on the motor output shaft, a cluster gear having its larger-diameter gear in meshing relationship with the pinion gear and its smaller gear in meshing relationship with an internally-toothed gear and the output shaft.The motor and gear-reduction train are mounted on opposite sides of a bulkhead which is mounted transversely within the forward part of the machine housing.

Abstract: There is disclosed a tooth cleaning device especially designed and adapted for home use by the general public. The device employs an electric motor coupled by a direct gear drive to a shaft to which may be attached a variety of cleaning, polishing and massaging tips. The housing of the device is shaped to fit in the palm of the hand and is provided with an easily accessible switch. The device is so designed that it cannot be used to reach areas of the teeth and gums that must be treated professionally.

Abstract: A cleaning device for removing leaves and other debris from elevated structures such as gutters. An elongated support handle is provided with a quick-release coupling at an upper end thereof. A curved support member is removably secured to the elongated support member and has a power means, such as an electric motor provided at an opposite end thereof. A shaft extending from the electric motor is provided with a plurality of elongated, flexible elements to engage, dislodge, or comminute leaves and other debris in gutters or other elevated structures during operation of same. Universal joints along the curved upper support member permit the placement of the power means in such fashion to move under nails or the like that are used to support the gutters and secure same to a housing structure. Normal operation of the power means disposes the shaft vertically with the elongated, flexible members rotating in a horizontal plane.

Abstract: An electric toothbrush consisting of an elongated body member having a cylindrical brush mounted coaxially therewith at one end thereof, and driven rotatably by a reversible electric motor carried in the handle, and having an automatic reversing switch responsive to the position in which the handle is held to cause rotation of the brush such that its bristles move in a direction from the gum line toward the crowns of the teeth.

Abstract: A hand-manipulated rotary brush mechanism employs flywheel gear means and associated gear assembly means to provide rotary motion for brush applicator means, said flywheel gear means providing suitable blade means thereon which are projected into the flow path of a continuous fluid flow stream as channeled through the rotary brush mechanism, and said flywheel gear means being larger and heavier than and combined with the associated gear assembly means which directly supply the rotary motion of the brush applicator for the purpose of providing opposition against and moderation through inertia of movement of any fluctuation of rotational speed of the brush applicator.

Abstract: This disclosure pertains to a portable rechargeable battery operated handheld cleaning device adapted to receive various cleaning implements, such as wire brushes, abrasive wheels, and the like into one of the dual internally housed transverse cleaning implement receiving tongues. Each tongue, used singly at the option of the user, has a reciprocating motion limited to one hundred eighty degrees. Terminals are provided for recharging the batteries included in the waterproof fully immersible housing. A charging device, operating from household voltage, provides the requisite battery charging current when the handheld cleaning device is connected to it. The charging device is energized by the household current only when the handheld cleaning device is inserted into it, so as to close a charging enabling switch internally mounted within the charging device.

Abstract: A power-driven tool for cleaning insulation and corrosion from conductors is portable and applies a controlled pressure established by hand. The tool employs a motor-driven abrasive drum and a pressure pad movable toward and away from the abrasive drum, with the conductor being squeezed between the pad and the drum during operation. A control for the motor is activated by the motion of the pressure pad toward the drum beyond a preestablished point, and an adjustable stop estalishes a minimum spacing between the pressure pad and the abrasive drum. A shroud covers the drum at all points except for an exposed area between the drum and the pressure pad, and a bias spring urges the pressure pad away from the drum to stop the motor upon release by the operator.

Abstract: A rotary brush for removing hair from hair brushes having a rotatable shaft upon which the bristles are mounted, a slotted portion extending along the full length of the shaft and a sharpened bladed portion slidably mounted in the slotted portion for cutting hair that had been removed by the rotary brush from hair brushes and became wound about the shaft thereof.

Abstract: A battery-operated scribing tool wherein an elongated casing defines a handle with an interior cavity serving as a battery chamber and with an opening at the outboard end leading to the cavity. A pair of spring-biased batteries are in-line receivable in the cavity and are secured in situ by a hollow head or motor housing having a rearward end sleevably received over the forward end of the casing so as to be snugly held relative thereto. A motor is nestably received within the head hollow. A slot in the head side wall allows manual actuation of the outboard free end of a switch bus extendable along the cavity wall and along the wall of the hollow of the head with a biasable extremity extending into the slot. An etching means projects outwardly from the motor and through an opening in the outboard end of the head and may be sleeved through a coupling adjacent the head opening.

Abstract: An electrical appliance in which a motor-driven roller is rotated, the roller being fitted with any type sleeve designed for a specific task such as washing a window glass, sanding a car body or buffing a surface of an object.

Abstract: A power-driven kitchen utility tool comprises a drive motor mounted on a two-way swivel, and an articulated, hand-positioned drive mechanism for transmitting power from the motor to a rotary-driven kitchen implement such as a sink brush or mixer blades. The articulated drive mechanism includes an elongated rotary drive shaft engaged with the motor output shaft, an elongated rotary-driven output shaft having a working end to which the rotary kitchen implement is attached, and a speed-reducing gear assembly connected between the drive shaft and the output shaft. The gear assembly provides two-way swivel motion of the output shaft relative to the drive shaft during operation of the motor, and permits the output shaft and the kitchen implement to swivel to a completely collapsed rest position adjacent the motor.