Abstract: A magnetic tracing apparatus comprising an enclosure within which a mixture of nonmagnetic particles and magnetically attractive fragments are contained, at least one surface member of the enclosure being provided for the formation of a design image upon the inner surface upon it by causing the aforementioned mixture of materials to be attracted to the inner surface, and a permanent magnetic tracing device being provided for movement over the outer surface of the member and cause magnetically attractable fragments in the aforementioned mixture to be attracted to the tracing device to remove the attached mixture of particles and fragments from the inner surface of the member as moved along the outer surface of the member and fall therefrom; the principal improvement being the inclusion of supports of a number of different types which are attached in various ways to the enclosure and are operable to move the enclosure about at least one axis to agitate the mixture within the enclosure and thereby destroy the af

Abstract: An elongated longitudinally adjustable load-supporting unit attachable to one end of one or both legs of a ladder or at least selected legs of a scaffold to permit using the ladder or scaffold on uneven surfaces, the load-supporting unit comprising an elongated externally-threaded member threadably received within an internally-threaded block-like member split into two similar halves which are pivotally connected adjacent one end and are urged into abutting relationship by spring means, and handle-like members extend respectively in similar directions from the halves of the block-like member and are operable to separate the internally-threaded portions of the block-like member sufficiently to permit free longitudinal movement of the externally-threaded member relative to the pivotally-connected halves of the block-like member.

Abstract: A lead frame having opposite rows of leads to be connected to the edges of a semi-conductor device and heads on one end of the leads provided with similar angularly related legs between which the edges of the device are received for ultimate soldered connection thereto, the leads and corresponding heads respectively extending from opposite sides of an elongated supporting strip connected at the ends thereof to the lead frame adjacent recesses in the frame to permit bending of the rows of leads substantially along the axis of the supporting strip and thereby extend the heads of the leads upwardly to cause the uppermost legs of the heads of opposite rows thereof to be spaced apart a distance greater than the width of the device to be connected thereto while the ends of the rows of lowermost legs of the heads are spaced a distance less than the width of the device to be supported thereon prior to the rows of leads being reversely bent to restore the bent leads and heads thereon to the plane of the frame and ther

Abstract: A stand or support for various kinds and types of small motors, generators and air compressors while servicing them, as well as testing them under running conditions, the stand or support having a bracket attachable to a bench or vertical post and a simple frame being supported for rotation thereon. The frame comprises an elongated angle iron member to one end of which an engine support is connected fixedly and perpendicularly thereto and a second similar engine support extends perpendicularly from the elongated member and is longitudinally adjustable therealong but is adapted to be clamped at any desired location thereon for attachment of a small engine or the like to the engine supports in accordance with the position of bolt holes on the engine or other type of small device.

Abstract: A truck having a deck unit pivotally connected to the rearward end of a truck chassis rearwardly of the rear wheels, expansible power mechanism connected to the forward end of the deck unit and operable to elevate it to dispose the unit at an acute angle to the horizontal for loading a vehicle onto the deck unit when the rearward end thereof is substantially in engagement with a pavement surface or the like; the improvement comprising a latch mechanism pivotally connected at one end to the deck unit and the other end pivotally interconnectible to the rear wheels, whereby as the power mechanism is expanded to tilt the deck unit as above described, continued expansion operates to compress the conventional springs by which the rear wheels are connected to the chassis and thereby lowers the rearward end of the chassis and, accordingly, lowers the pivot which connects the deck unit to the rear end of the chassis and thereby further decreases the acute angle of the deck unit to the horizontal to facilitate loading

Abstract: A lead frame having opposite rows of leads to be connected to the edges of a semi-conductor device and heads on one end of said leads provided with similar angularly related legs between which the edges of the device are received for ultimate soldered connection thereto, the leads and corresponding heads respectively extending from opposite sides of an elongated supporting strip connected at the ends thereof to spaced locations on the lead frame and when the ends of the leads extending from one side of the strip are depressed from the plane of the frame, the ends of the strip where connected to the frame are twisted to extend the headed ends of the leads upwardly and thereby cause the uppermost legs of the heads of opposite rows thereof to be spaced apart a distance greater than the width of the device to be connected thereto while the ends of the rows of lowermost legs of the heads are closer together than the width of the device and receive the same for support thereon prior to the rows of leads being resto

Abstract: An industrial-type scraper provided with an elongated handle to one end of which a flat support plate of substantially less length than the handle is connected to the handle at an obtuse angle thereto in side view and also at an additional obtuse angle to the handle in plan view, a flat clamping plate of similar size as the support plate, bolt and wing nut members extending through similar complementary size aligned holes in the support and clamping plates, and a sawtooth edged scraping blade clamped between said plates with its sawtooth edge projecting beyond one of the edges of the aforementioned plates.

Abstract: An attachment for a bow to be used in cooperation with known supports which engage respectively a side of an arrow and also the lower surface of an arrow. The attachment has a flexible leaf and a cam head. An arrow is mounted to the known supports by moving the arrow shaft laterally against the cam head flexing the leaf upwardly. As the arrow shaft moves past the cam head the leaf snaps back downwardly pressing the arrow against the aforementioned known supports, whereby the attachment acts to prevent an arrow from laterally falling from the bow when mounted on the bow in any shooting position of the bow but not interfering with longitudinal movement of the arrow from the bow when shot therefrom.

Abstract: A technique by which a denture formed from light-curable plastic material, and including individually positioned artificial teeth, is produced by the use of a custom, substantially U-shaped, matrix formed from an elongated shape of light-curable plastic material which is impressed into and is releasably affixed to the incisal and occlusal surfaces of the teeth when mounted in set-up wax on a model of a patient's gum.

Abstract: A gang drill head having a row of drills spaced according to repeated patterns of holes in a tubular member such as a suction roll in a paper-making machine which are clogged and are to be cleared by drilling the same, the drill head being guided for longitudinal movement along a guide member positioned upon the roll for circumferential incremental movement to effect radial movements of the rotating drills for the full circumference of the roll and the head including longitudinal adjustment of individual drill supports in accordance with the spacings of the repeated patterns of holes in the roll. The individual drill chucks are rotated simultaneously and manually controlled linkage causes raising and lowering of the drill head by a fluid-operated unit.

Abstract: A multiple, metered dosage device having an elongated body provided adjacent one end with a compartment or an ampule to contain material to be dispensed, a piston movable against the material to discharge it from a nozzle, a rod-like plunger movable by a pressure device against the piston to discharge material and a combination stop and release unit movable intermediately of the ends of the body between depressed and elevated positions respectively to engage a pair of racks of teeth on the plunger and including first and second teeth respectively engageable with the racks of teeth sequentially to permit the pressure device to advance the plunger and piston in similar metered, precise or predetermined increments of feeding in discharge direction and then stop the feeding movement and maintain such stopped position until the stop and release unit next is depressed.

Abstract: A combination mixing and discharge capsule for storing separate ingredients which are to be mixed together prior to use and including a container body for one ingredient closed at one end by a slidable piston and the opposite end being displaceably received in a cup-shaped cap which forms a second compartment with a perforated wall of the container body opposite the end containing the piston for receiving a frangible pillow containing a liquid second ingredient to be mixed with the ingredient in the body. The cap has a discharge nozzle extending axially therefrom and when the cap is displaced farther onto the body the innermost wall of the pillow is burst to cause the discharge of the liquid ingredient through the perforated wall end into the container body for mixing with the ingredient therein.

Abstract: An ophthalmic instrument support having a flat floor-supported base and a cabinet extends upward from one end of the base, a post projects upward from the cabinet and the upper end of the post pivotally engages one end of a horizontal frame upon which a table is mounted for limited horizontal movement to permit a pair of spaced instruments thereon selectively to be brought into alignment with the eyes of a patient when seated in a vertically adjustable chair with the patient's lap extending beneath the horizontal frame. The post is adjustable vertically a limited amount to dispose the table and instruments thereon at a desired vertical position according to a doctor's eyes when the doctor is seated upon another chair opposite a patient.

Abstract: A dental articulator comprising upper and lower bows connected by vertical support members, the upper bow being pivotally connected to the support members for raising and lowering relative to a planar mounting table which is positionable between the bows and parallel to the lower bow, the mounting table having a mounting bar extending perpendicularly from one surface and the mounting table being reversible to dispose a desired surface thereof uppermost and the table also having a supporting pin detachably connected to the forward end thereof for reversible positioning to extend from either surface of the table, and the upper bow also having adjustable pivot means operable selectively to effect lateral movement of the upper bow relative to the table and lower bow when in one position of adjustment but only permit pivotal movement when in a second position.

Abstract: A conveyor and work station operable to support and convey elongated bakery products such as hot dog rolls and rotate them from one position upon the conveyor to another position thereon to deliver them more suitably to be received in packages, the rotation being effected by a disc-like pad or plurality of similar pads which are supported for rectilinear movement and, when engaging the products, the pads move longitudinally in the same direction and speed as the conveyor and the rotation of the pads is 90.degree. about the axis of the pads during such longitudinal movement relative to the conveyor.

Abstract: A hair dressing comb assembly comprising a generally cylindrical housing from one end of which a handle extends, and a plurality of similar longitudinally extending slots are arranged in circumferentially spaced relation around the housing respectively to receive elongated toothed comb members having relatively thin ends projecting beyond the toothed portions, the housing containing in opposite ends similar cam members interconnected longitudinally and movable axially by a manually operable sleeve on the exterior of the handle for movement in one direction to cause the cams to engage the thin ends of the comb members to project the combs outwardly to full operative positions, and separate retracting springs engageable with the thin ends of the comb members to fully retract them simultaneously into the slots in the housing when the sleeve on the handle moves the cam members in the opposite direction.