Abstract: Lifting apparatus which enables the lid of, for example a coke oven, to be removed during charging and then replaced has engagement means for the lid carried at the end of an arm. The arm is able to be raised and lowered and to be swung through an arc. The engagement means hook onto the lid or other object to be removed or replaced and the engagement means can oscillate at the end of the arm.

Abstract: Cellular materials based on epoxy resins are known but are difficult to manufacture because of high exotherm. The addition of coal pitch which may be coal tar pitch or coal digest mitigates this to an extent not related to the heat capacity of the coal pitch. Cellular materials having fine even cells can easily be made. Certain epoxy resins enable flexible cellular materials to be manufactured.

Abstract: A spherical bearing comprising an outer member having a hole extending from side to side, the surface of the hole being concave and spherical so that the outer member has constricted portions at each side, the outer member also having a ramped keyway extending diagonally downward from the hole; a ramped key in the keyway whose ramp is complementary with the ramp defining the keyway in the outer member, the key also having a concave and spherical top surface corresponding to the surface of the hole so that the key has shoulder portions corresponding to the constricted portions of the outer member; and a partially spherical inner member, the inner member being held in the outer member by impingement of the spherical surface of the inner member against the constricted portions of the outer member and the key being held in the outer member by impingement of the shoulder portions of the key against the spherical surface of the inner member, adjusting means to move the key upwardly or downwardly on the respective r

Abstract: In a marking apparatus and method for books, double sided tabs have adhesive so that the tabs may be adhered to pages of books, with a number-bearing portion of the tab extending from the page. Adhesive occupies one-half of one side of the tab, and numbers are written in opposite directions on opposite sides of the tab so that the tab may be affixed to a left or right page of a book to clearly mark the page and the point on the page to which it refers. Learning key cards have numbers corresponding to the tabs. Brief notes are written on the lines, and the cards are attached to the front leaf of a book. The tabs are attached directly to the learning key, or they are attached on the inside of a cover or opposite leaf of the book. An envelope or jacket-type holder is adhesive-backed for fastening to an inside of the book, and the tabs are mounted on a release coating on the outside of the envelope-pocket.

Abstract: Purse apparatus has an insert with rigid side walls hinged to a bottom wall, and with flexible end walls joining the sidewalls. Portions of the side walls project up above the end walls for fitting under inverted pockets in upper inside edges of flexible bags. A flap connected to one upper side edge of the bag draws the upper side edges of the bag and insert together and fastens on the opposite side of the bag. A false flap continues from the flap downward over the first side of the bag to foil would-be pickpockets. A chain extends from the wrist of a wearer to an anchor in the insert. Sharply pulling on the chain activates an alarm.

Abstract: A system is provided for controlling a motor and rudder of a power boat selectively from either of two remote stations, each of which includes means for producing linear input signals for motor shift and throttle control and for steering control. The system includes a steering input selector mechanism which is capable of transmitting the linear input signal for steering control from one of the stations to the rudder while isolating the signal from the other station. A motor input selector mechanism is capable of transmitting the linear input signals for motor shift and throttle control from one of the stations to the motor while isolating the signals from the other station. The steering and motor input selector mechanism may be actuated to facilitate the selection of one of the stations whenever corresponding linear input signals from the two stations are substantially equal.

Abstract: A jumping hoop has a rigid U-shaped member which is held in the hand. A light flexible member is adjustably connected to opposite ends of the rigid member, forming a hoop. Ends of the rigid members are reentrantly bent to hold ends of the flexible member telescoped therewith. Ends are held together by an elastic band which jams between the sliding telescoping members in one construction.

Abstract: A motion transmitting unit comprising a housing, a cable wheel mounted within the housing, a shaft with a pinion thereon in driving engagement with the cable wheel, and a onepiece body which serves as a bearing support for the shaft, the shaft having a shroud portion providing a member for mounting the unit to a support surface, which when the unit is orientated with its housing lowermost is spaced below the upper region of the shaft and the bearing support therefor.

Abstract: This invention relates to a combustion apparatus provided with a multiple of burners, a annular burner tile structure which is of rectangular section, combustion air passages along the major walls of the burner tile structure, and a series of air inlet holes or an air inlet slit for the purpose of introducing air into the burner tile structure to control the deflection of fuel stream.The fuel injected into the burner tile structure at a velocity near to sonic velocity generates Coanda Effect and induces high temperature combustion gas into the burner tile structure from the combustor.This high temperature combustion gas promotes endothermic gasification of fuel prior to the introduction of combustion air into the fuel stream so that complete and uniform combustion is performed under the existence of less combustion air as compared with the combustion in the conventional combustion apparatus, therefore, flame temperature is reduced and consequently, NOx generating rate is remarkably reduced.

Abstract: A battery powered circuit has the battery source divided into serially connected sections and each section is shunted by a diode. The breakdown of one section gives only a low powered spark under fault conditions. The circuit can be used in hazardous environments such as coal mines or petrol installations.

Abstract: A leaky feeder coaxial cable has the inductance of the outer conductor altered by winding an extra conductor on the outer conductor or by physically forming the outer conductor so that it is unsymmetrical.

Abstract: High pressure oxygen is released through a side of an open-ended ventilating bronchoscope or laryngoscope into its lumen in a direction toward a distal end. The oxygen draws air through the proximal end. Medical gasses and vapors are drawn through an entrainment arm at the side of a ventilating endoscope by oxygen which is released near the distal point of confluence of the entrainment arm and the scope lumen.

Abstract: Transparent tubular caskets are closed at one end by a shouldered plug-type cover. Pegs are driven laterally through the transparent wall into aligned holes in the cover. A central evacuating and inert gas filling hole is threaded to receive a pad-eye for lowering the tubular casket into a glass lined vertical concrete vault. The upper edge of the vault is rabbeted to receive a rabbeted concrete cover with centrally recessed decorative identification plate, which covers a threaded pad-eye receiver hole. A plurality of vaults in a honeycomb arrangement have interspaces to receive ashes and pets.

Abstract: A filter is spread over each side of the strainer casing rotated by a horizontal driving shaft, and a plurality of radially extending partition plates are provided in the inside peripheral part of said casing, whereby alien matter such as sludge contained in the liquid supplied into said casing is separated by said filters. The alien matter such as sludge remaining in the casing is moved upwardly with rotation of the casing and then dropped gravitationally into a chute-like passage and thereby discharged out of the casing.

Abstract: The lettering guide name card has a flat printed area and an area covered by releasable adhesive-mounted parallel strips. Some of the strips are removed to provide lettering spaces, and the remaining strips provide guidelines for lettering.

Abstract: A track member for a mineral mining machine which hauls itself along a working face by engaging a flexible round link chain has pockets for fixedly engaging those links of the chain lying in a first plane and a continuous groove interconnecting the pockets for accommodating those links of the chain lying in a plane perpendicular to the first plane.

Abstract: A tape drive system for a cassette tape recording and/or reproducing apparatus has at least three drive motors, two for driving the tape spools and at least a third for driving a tape drive capstan. two of the motors are disposed so as to engage the cassette from one side thereof, while the other motor or motors is or are disposed so as to engage the cassette from the other side. The motor or motors at a first side of the cassette is or are disposed in a main housing, while the other motor or motors at the second side of the cassette is or are in a casing portion that is pivotable or linearly displaceable relative to the main housing, for insertion or removal of a cassette. The apparatus can have a dual capstan tape drive.

Abstract: A key safe apparatus has a vertically slotted receptacle box which is locked onto a lid structure formed with vertical tongue capable of interengaging the slot in the receptacle box. The lid is fastened to the box by a code lock whose combination may be recoded. The key safe is structured to be fastened to a door whose key may be locked in the receptacle box. The fastening is accomplished by a bracket attached to the lid structure and fitted over a margin of the door. In another configuration, the key safe is locked around a door knob.

Abstract: A swimming system for maximum efficiency in water has a single foot fin with a large fluke and two foot openings leading to foot pockets separated by a cushion. A series of water directed openings extend rearward and outward from a line above the toe portions of the pockets diagonally through the fluke to a line near a tip of the fluke on a rearward portion of the fin. A fastening surrounds the fin near instep areas of the foot-receiving pockets. A leg sheath has a corresponding lower fastening, a cushioning divider between legs and an achilles cushion above a heel portion to streamline the sheath. A reinforced upper waist band fastens to a jacket portion with hand openings which overlie hand fins formed of flat circular plates with finger and palm cutouts mounted between two pieces of synthetic dolphin skin. The helmet with an annular neck encircling cushion completes the streamlined entire body covering with a synthetic dolphin skin exterior.

Abstract: A painting system has a container and a flexible wall with a source of pressure on the flexible wall for extending the flexible wall toward the paint and forcing paint through an opening, a valve and a conducting tube into an applicator. A membrane is fitted inside a container, and a cover is placed over the container. Ordinary water pressure from a tap is fed through the hose into the membrane area forcing the membrane toward the paint, and forcing the paint from the container. In one applicator, paint is fed into a hollow tube which is turnable to align openings in a tube wall with distributors which communicate the paint to a plurality of tubes. Paint flows through the selected tubes through an array of openings in paint distributing surfaces. A relatively narrow, pointed surface extends outward from a relatively large circular surface. An auxiliary distributing surface extends perpendicularly to the pointed surface. A sponge roller is provided with a fitted cover and is positioned over a foraminous tube.