Abstract: A drilling and bolting device for driving a drill element into a rock surface includes a frame, a drive unit supported for movement relative to the frame, and an actuator for moving the drive unit relative to the frame. The drive unit includes a motor and a chuck for engaging the drill element. The chuck is driven by the motor. In some aspects, the actuator includes a magnet exerting a magnetic force on the block to provide magnetic coupling between the actuator and a block supporting the motor. In some aspects, the actuator is positioned at least partially within an elongated member of the frame. In some aspects, the drive unit includes a switched reluctance motor including a stator and a rotor supported for rotation relative to the stator, and the rotor is directly coupled to the chuck.

Abstract: A hands-free hair dryer mounting apparatus adapted for holding a hair dryer in an oscillating universal hair dryer holder assembly is disclosed. The apparatus includes a wall mountable housing that is removably affixed to a wall mounting plate adapted for secure attachment to a wall or other supporting surface. A universal hair dryer holder, adapted for receiving and holding any type, size, or style of handheld hair dryer, projects outward from the housing. The hair dryer holder is connected to an oscillating arm via a horizontal pivot connection that allows for manual angular adjustment and affixation of the hair dryer about a generally horizontal pivot axis. The oscillating arm extends into the base and is connected to an electric motor by mechanical linkage such that angularly adjustable side-to-side oscillation is enabled.

Abstract: A Stand for Industrial Mixers is disclosed. The stand includes a tiltable cradle for securely holding a mixer while a worker conducts maintenance on it. The stand further has an integrated seat to accommodate the worker. Furthermore, the stand provides a convenient location to place a lubricating bottle for use in conducting maintenance on a mixer. The stand is provided with casters to make it rollable to enable it to be moved about easily. Finally, the stand provides locations for dispensing and storing tools and materials needed for maintenance on a mixer.

Abstract: An apparatus for supporting a machining tool on a robot arm is disclosed having first and second support members with the second support member attached to the first support member by torsion bar elements so as to be movable with respect to the first member about an axis in a single degree of freedom. The first support member is attached to the end of the robot arm and the machining tool is attached to the second support member.The torsion bar element interconnecting the first and second support members has end portions larger than a connecting portion extending between them. One end portion is fixedly attached to one of the support members and the other end portion is fixedly attached to the other support member. The torsion bar elements are generally cylindrical in configuration and are dimensioned such that the diameters of the end portions are between seven and ten times the diameter of the connecting portion.

Abstract: A retaining bracket for detachably connecting a pump to the power take off shaft of a tractor. The bracket provides a torque restraint which is non-rigid and centrally positioned in substantial alignment with the longitudinal axis of the pump shaft so that angular moments of force which would tend to bend the pump shaft are avoided or resisted. The bracket includes a channel-shaped member having a telescopic web and no precision alignment is required to operationally mount and connect the pump to the tractor. The bracket includes a slidable connection to the tractor drawbar so that no tools are required for operational mounting.

Abstract: A rotary actuator for a damper shaft controls the angular position of the damper shaft in accordance with variations in fluid pressure inside of the actuator. The actuator includes a housing, a flexible diaphragm within the housing separating it into a fluid-tight compartment and a second compartment open to the atmosphere. The fluid-tight compartment is provided with a fluid pressure receving port open to a control source of variable pressure. The piston and piston rod are slidably mounted in the second compartment in contact with the diaphragm. The piston rod includes a longitudinally extending rack, and a crank arm rotatably mounted in the housing has a gear segment in meshing relationship with the rack. The actuator shaft to be controlled extends through the housing and is mounted in the crank arm to support the rotary actuator, and the rotary actuator is clipped to an air conditioning duct to prevent it from rotating on the damper actuator shaft axis.

Abstract: A screw press, and more particularly a pressurized screw press with a driving end, is pivotally mounted at its driving end and rests in a cradle at the other end. A pivotal bearing provided at the driving end of the screw press has a clearance for vertical movement in a fixed axis of rotation. By the aid of this mounting breakage of the screw press casing is avoided when operating conditions comprise varying pressures and temperatures.

Abstract: A leveling element comprising a post, a support plate containing an opening defining a seat for receiving an end of the post, bearing means at said end of the post structured to be received in said opening in engagement with the seat for angular movement of the support plate relative to the longitudinal axis of the post and yieldable retaining means incorporated in the opening yieldably displaceable to permit the bearing means at the end of the post to be moved into the opening into engagement with the seat and to retain the support plate at said end of the post.

Abstract: An electric ceiling fan of minimum practical axial depth for conserving needed head room includes a wheel-like frame; a fan motor nested therein; a fan blades assembly nested around and driven by such motor; a shallow support adapted to be attached directly to a ceiling; shallow hanger arms pivotally suspending the frame from the support for generally varying the air flow; a shallow, air pervious upper guard enclosing the motor and fan blades assembly; a step motor nested in the frame beneath the fan motor; a thin air pervious lower guard nested within the frame, driven by the step motor in the same direction as the fan blades assembly, but at much lower speed, and having radially spaced parallel vanes directing the downwardly flowing air in both axial and outwardly inclined, slowly revolving columns, for distributing the air over a wider area, while avoiding excessive air flow and "dead spots" beneath the fan; and a control mechanism including a separate switch for operating the step motor independently of t

Abstract: A cradle type adaptor for a magnet base drill which includes a box having a width slightly smaller than the width of the magnet base of the drill so that it can be assembled to the magnetic base by a clamping action. The box includes a pair of longitudinal sides and a pair of end sides. A front and rear vertically adjustable plate is adjustably mounted on the front and rear sides of the box. The front and rear adjustable plates have a V-slot in the lower ends thereof. The lower end of each of the longitudinal sides of the box is formed at an oblique angle so that the adjustable side plates may be adjustably mounted thereon for mounting the cradle pipe adaptor on a small size diameter pipe.

Abstract: A swivel mounting device comprising a male member having an attachment portion, and a stem portion having a plurality of longitudinal first grooves therein and a second circumferentially extending groove therein; and a female member having a recess therein to receive the male stem portion and having a spring loaded pawl member for engaging one of the male member first grooves while permitting ratcheting rotation between the male and female members, and a plurality of spring loaded slide members for engaging the male member second groove to releasably retain the male member and female member together.

Abstract: A camera mount for supporting a camera in balance so that it may be panned, tilted and rolled by an operator to face a target includes a pedestal operable for selective positioning behind the operator along an arcuate path having an axis of revolution lying on an imaginary line extending through the operator's head. A first arm is pivotally connected to the pedestal adjacent an upper end thereof for pivotal movement about a roll axis, and a second arm is pivotally connected to the first arm for pivotal movement about a tilt axis, the second arm supporting the camera and a counterbalance.