Abstract: An electric resistance heating element, comprising at least two elongated dielectric bodies, each having a plurality of openings extending longitudinally thereon in radially displaced, parallel relation. Three metal pins fit into openings in the dielectric bodies and at least certain maintain the latter in longitudinally aligned relation. A resistance wire is wound on each of the bodies, each wire having longitudinally spaced terminals. One of the terminals of each resistance wire is electrically connected to one pin; the opposite terminal of one resistance wire is electrically connected to a second pin; and the opposite terminal of the other resistance wire is electrically connected to the third pin, whereby the one pin serves as a common electrical connection for both resistance wires, and the second and third pins serve as separate electrical connections to the respective resistance wires, whereby separate electrical circuits may be established within the heating element.

Abstract: An electric heating element, particularly of the cartridge type, comprising two elongated dielectric cores disposed within a metallic sheath. Each core has a plurality of longitudinally extending openings therein and more particularly one core has three longitudinal openings whereas the other has two openings. A resistance wire coil is wound on each of the cores, each coil having longitudinally spaced terminals. Three metal pins fit into predetermined core openings; one of the terminals of each resistance coil is electrically connected to one pin, the opposite terminal of one resistance coil is electrically connected to a second pin; and the opposite terminal of the other resistance coil is electrically connected to the third pin; whereby the one pin serves as a common electrical connection for both resistance coils, and the second and third pins serve as separate electrical connections to the respective resistance coils, whereby separate circuits may be established within the heating element.

Abstract: A tool for driving staples or nails and simultaneously providing reinforcement therefore. The tool is particularly useful in installing roofing material, although it has equal utility in attaching labels, tags and the like to shipping cases, and siding to buildings, and other purposes.In a preferred embodiment, the tool is provided with a handle which is long enough that a workman may operate the tool without bending over any material amount. The staple or nail driving mechanism may be of the hand-driven type or may be air, electric or spring operated. Connected to the housing of the driving mechanism is a magazine containing a considerable number of fastener reinforcing elements, such as thin metal discs, through which the staple or nail is driven in the same stroke used to drive such fastener into the object to be fastened.

Abstract: My invention relates to an attachment that may be connected as a unit to the bed of a conventional jointer to easily convert the same for planing operations. The attachment comprises support members which are adapted to be secured to the stationary bed of the jointer, threaded posts rigidly carried by the support members, sprockets threaded on the posts, a chain interconnecting the sprockets, and a bed plate carried by said sprockets for vertical adjustment. All of the foregoing is interconnected so that the purchaser may connect the attachment as a unit to the jointer bed. A spring plate is connected to the movable bed of the jointer for cooperation with the unit.

Abstract: A building construction for fabricating a veneer, facing wall on a building wall. The construction includes a flat panel of thin rigid material that is adapted to be secured to the building wall. The panel has a plurality of spaced parallel ridges which form flat-bottomed troughs therebetween. Veneer building blocks are held in the troughs by use of adhesive and these blocks may be spaced and staggered to provide the appearance of a conventional brick wall. Crosspieces are held in the troughs between adjoining ends of adjacent blocks. The ridges and crosspieces have exposed surfaces to provide the appearance of mortar between the veneer blocks.

Abstract: An electric heating element of the metal sheathed type, particularly a range surface unit comprising a spiralled metal tube having one closed end and containing compacted refractory insulation material and a helical coil of resistor alloy insulated from the tube and connected at one end to a center return conductor and having both electrical terminations extending from the other end of the tube, the construction being such that in the event of failure of the heating element, the failure will be in a passive manner.

Abstract: In the method of making steel in the BOF furnace the use of a slag-forming agent which heretofore was considered a waste product resulting from a scrap-aluminum melting operation.

Abstract: A safety indicator for guns, and particularly shot guns and rifles, utilizing a movable slide member which sets or releases the safety mechanism of the gun. A pair of jewels, in the form of glass or plastic crystals, are mounted in the gun stock to be selectively covered and uncovered when the slide member is moved to one or the other of its two positions, one jewel preferably being red and exposed when the slide member is moved to unlock the trigger.The invention utilizes fiber optic rods to transmit light from an electric bulb which is energized when the safety slide member is moved to trigger unlocking position. Fiber optic rods are also utilized to transmit daylight to both of the jewels.

Abstract: An improved saw table, comprising a flat base, a pair of guides secured to the base and disposed in parallel relation above the upper surface of the base, the guides providing ways for guiding movement of a saw-support plate. The support plate may be moved along the guide-ways to perform crosscut operations, or may be shifted at right angles in a planar fashion to dispose the saw for ripping operations. Angle guides are provided and may be set to position a board at right angles to movement of the same, or to any desired angle with respect to such movement. Clamp means are provided to prevent separation of the saw-support plate from the guide-ways.

Abstract: The invention relates broadly to a fluorescent lamp construction adapted for use with hats or caps worn by workers in various occupations. The so-called hard hats are now largely worn by workers in hazardous locations, such as mining, construction, service and the like, and our improved fluorescent lamp construction is especially suited for attachment to a hard hat and the invention includes new and novel connection means.The fluorescent lamp is contained within an oblong housing that is removably held horizontally at the front of the hard hat and the lamp is energized by a battery which is carried on the person of the worker, such as by means of a carrying case having a clip for connecting it to a belt worn by the worker.To achieve a high level of light output at low temperatures, the invention includes means for conserving heat generated by the fluorescent lamp. Also, to reduce glare, the invention includes a new and novel means for dispersing the light from the lamp.

Abstract: Our invention relates to electric heating elements for heating liquid within a tank, and particularly to heating elements for use in domestic commercial water tanks, wherein the element comprises a metal mounting member secured to the wall of the tank and a sheath portion carried by the mounting member and extending through a hole in the tank wall for immersion in the water in the tank. The sheath portion contains a resistance conductor and insulation which electrically insulates the conductor from the sheath, so that water in the tank is heated when the resistance conductor is electrically connected to a source of electrical energy.Our invention provides means for protecting the electric heating element from damage which may otherwise be caused by a sudden surge of high voltage, such as that which may be caused by lightning disturbances in the immediate vicinity.

Abstract: A vehicle door push button protector to prevent thieves or children from moving a locked push button to unlocked position.The protector comprises a pair of telescoping sleeves, the outer sleeve being securable to the door trim. The sleeves are relatively movable in an axial direction and include selectively interengagable members which permit the inner sleeve to be pulled from within the outer sleeve to a position preventing access to the door push button.

Abstract: A guide roll apparatus for use in a metal strip processing line wherein it is desirable that the longitudinal centerline of the strip remains coincident with the centerline of the strip processing line.The guideroll apparatus is compact in design so that it may be located in a strip processing line where prior steering rolls would not fit. The apparatus comprises a pair of rolls so disposed that the strip passes over a portion of one roll, then between the rolls and over a portion of the other roll, on its path of travel in the processing line. Each of the two rolls is mounted for tilting movement, and mechanism between the rolls causes the rolls to tilt in opposite directions in the same amount.

Abstract: The method of providing a corrosion-resistant coating on the aluminum sheath of an electric immersion heater, comprising the steps of treating the sheath with a nitric acid solution to put a uniform layer of oxide on the exterior sheath surface, then treating the sheath with a caustic tin-bearing solution to strip all oxide from said exterior surface and replace it with a uniform layer of tin, then depositing a uniform layer of bronze over the tin layer, and finally depositing a layer of tin over the bronze coating.

Abstract: A multi-purpose vehicle which may be used for a variety of purposes, such for example, as a fork lift truck, a tow truck with a hoist, a tractor or truck for towing a four wheel vehicle, any of the foregoing in combination with each other or in combination with a load carrying bed or container, or a tractor for supporting and towing a semi-trailer, in combination with some of the foregoing.My invention may be readily installed on a conventional roadway tractor and comprises a sub-frame including a pair of beams which have a horizontal component adapted to rest on top of the usual longitudinally extending beams of the main frame of the tractor in a normal horizontal position, and a vertical component adapted to be pivotally connected to a support some distance above the main frame.