Abstract: This invention provides a tamper tip for use with tamping machines for setting railroad ties. The tip is generally rectangular in shape and at least one surface is provided with a generally U-shaped outer edge portion which increases in thickness from the tips of the legs of the "U" to the base of the "U" with the portion interior of the "U" being shaped to a constant thickness generally equal to the thickness of the thinnest portion of the legs.

Abstract: A storage cart for music stands having a column member extending upwardly from a base with a plurality of legs radiating from the base. The cart has upper and lower pairs of spaced-apart rods which are inclined along their length and which define an upright storage plane for one or more music stands with a stand column member positioned between the upper pair of rods and one of the legs of the stand extending downwardly between the lower pair of rods and with the pairs of rods having structure to cause the lowermost stand to maintain a generally upright storage position in the cart and with successive stands also being stored in generally upright position and along an incline.

Abstract: Apparatus for mounting and demounting tires and methods of mounting and demounting tires. The apparatus may include a clamp for holding a wheel as well as a tire clamp and pushing device for gripping a tire and applying a moving force thereto. The tire clamp is mounted for movement toward and away from the wheel clamp and toward and away from a support for the wheel clamp. It is operated, during tire mounting, to nonaxially urge a tire having one part of one bead received in the drop center of a wheel away from the wheel to draw that part into the drop center while axially moving the tire at a remote location toward the wheel so that the beads at the remote location are disposed between the flanges of the wheel.

Abstract: A fire extinguishing system including a vessel having an outlet normally sealed by a frangible seal. A probe is aligned with the seal and is mounted for movement in a path intersecting the seal and spring biases the probe toward the seal in the path. A restraint is provided for normally restraining the probe in the path to prevent breakage of the seal and includes a radially outwardly opening annular groove in the probe, a series of spherical elements disposed such that they partially enter the groove, and a movable cam which abuts the spherical elements oppositely of the groove and which is configured to cam the elements partially into the groove.

Abstract: The power operated sliding door of an elevator car is provided with a mechanical safety interlock which permits the car door to be moved more than a critical distance from its closed position only when the car is in a landing zone. A pivoted interlock hook on the car door has a normal position in which it engages an interlock lug on the car frame when the door moves the critical distance from closed position. A movable element on the car door is driven to move the hook to a clearance position relative to the interlock lug. Drive of the movable element occurs when it contacts an interengaging member on the hatch door as the car door first starts to move from closed position in a landing zone.

Abstract: A load cell for measuring the force developed between reciprocating machine members as in a press or the like. The load cell has a cross-sectional configuration which will deform nonuniformly if subjected to nonuniform loading to distribute the load throughout the cell carrier. In one form the carrier is a hollow cylinder with a piezoelectric transducer secured to the wall. In another form the piezoelectric transducer is carried in a mounting ring supported in a hole through the cylinder wall. In both, the piezoelectric transducer is held under a preload with its axis at right angles to the direction of the machine force so that deformation of the carrier by the machine force reduced the stress on the transducer. An end plate assembly has a spherical ball and socket to accommodate press member misalignment. Another form of the load cell is an elongated member for measuring the load in a press brake. The hollow cylindrical load cell with the transducer mounted at an angle of 45.degree.

Abstract: A vehicle with a vertically adjustable auxiliary axle and having its center of gravity located behind the auxiliary axle so that when said axle is moved down to a testing position where its wheels engage the ground, the front wheels of the vehicle are raised off the ground and the entire vehicle weight is supported by the rear wheels and the auxiliary wheels. When the auxiliary axle is in a testing position, the distance between the outer edges of the contact surfaces of the auxiliary and rear wheels is on the order of but not greater than 10 feet. The vehicle may be rolled over a scale platform while in the testing position so that a known weight is applied in an infinite number of 10 foot sections. The scale may be calibrated to accurately reflect the known weight under all different applications of that weight.

Abstract: A paint can rim cover and lid combination for use with a paint can having a rim defining a top opening for the can including an annular rim cover of flexible material having a channel-shaped cross section of a width approximating that of the rim to provide inner and outer circular flanges in spaced parallel relation with an interconnecting flat base, each of the flanges is extendable downwardly relative to a paint can and has an inwardly facing annular recess intermediate the height thereof to snap onto the inner and outer periphery of the rim, with the interconnecting base spanning the rim for sealing of the rim, a lid of flexible material having a circular panel section and a depending peripheral flange with the panel section having a diameter at least equal to the outer diameter of the rim cover whereby the lid may be fitted on the rim cover with the depending peripheral flange overlapping the outer circular flange and with there being interengaging structure on the outer circular flange of the rim cover a

Abstract: A method of assembling a heat exchanger having spaced fluid flow tubes and a normally flexible serpentine fin in each of the spaces between adjacent tubes in which the normally flexible fin is first assembled in a rigid, easy to handle unit by first attaching a heat conducting, elongated, rigid member to each set of serpentine crests on opposite sides of the fin to produce the relatively inflexible assembly in which the serpentine fin is held by the rigid members against bending followed by inserting each assembly between adjacent tubes and securing the assembly to the tubes. The disclosure also includes the heat exchanger assembled in this manner.

Abstract: A weight and balance system for an aircraft or the like which measures the bend in a structural member of the aircraft, such as a landing gear element or a wing or fuselage section, by use of inclinometers mounted to the member and each having a signal output representing the angle of the member with respect to a reference plane and then summing signal outputs from the incinometers to determine the angle of the bend which provides an indication of weight. In one example, the landing gear of the aircraft includes a member which bends in response to aircraft weight and a pair of inclinometers, in the form of servoed accelerometers, are mounted to the member adjacent opposite ends thereof and each provide a voltage output representing the angle of the member relative to the reference plane, and a summing device for summing said signal outputs as an indication of weight.

Abstract: A heater band formed of an extruded metal channel member and a heater plate assembly received within a slot extending along the length of the channel. The heater plate assembly and the extrusion are compressed together to provide a heater band having a dense cross section resulting in improved heat transfer characteristics. The heater band in accordance with the present invention has a longer life and higher heating capabilities than heater bands known to the prior art.

Abstract: An electronic organ includes a plurality of buffers for receiving solo keyswitch status information, accompaniment keyswitch status without octave information, and depressed keyswitch status from an arpeggio keyboard. A scan circuit and a microprocessor gate the buffers into an input memory which retains an image of the solo, accompaniment, and arpeggio keyboards. A control program, stored in ROM, is responsive to the input memory, shared registers, and harmony switches actuable in several modes, to produce one or plural harmony notes in either open or closed harmony, and to assign different note names to the actuated keyswitches on the arpeggio keyboard. The resulting harmony and arpeggio notes are stored in an output memory and are transferred to a transistor matrix which activates solo keyers to produce harmony and arpeggio notes with solo voicing. A rhythmic harmony modulator is actuable to modulate the harmony notes in a rhythmic pattern of individual and delayed beats.

Abstract: An induction motor is disclosed which utilizes a liquid in intimate contact with the rotor and stator conductors for cooling and yet minimizes the disadvantages of high rotational drag losses associated with conventional spray cooled motors. Cooling liquid is conducted through a hollow rotor shaft and directed to a cavity at the center of the magnetic length of the rotor. The cavity is formed by separating two adjacent rotor laminations. The cooling liquid flows axially from the central cavity toward the rotor ends through slots which contain the rotor conductors. A sealing band is provided around the rotor laminations to prevent cooling liquid from entering the air gap between the rotor and the stator.

Abstract: The invention relates to a cattle feeding device in the form of a movable container provided with a plurality of augers, some extending horizontally and some inclined in order to effect proper mixing of feed introduced into the container together with means for discharging the thoroughly mixed feed for consumption by cattle.

Abstract: A high efficiency domestic furnace incorporates means for separating and neutralizing flue gas condensate. Acidic condensate from the flue gas products of combustion is neutralized by contact with neutralizing material in a housing through which the condensate is flowed. The use of the neutralizer in connection with a high efficiency domestic furnace permits discharge of the condensate directly to the household drain. The neutralizer is arranged to be self-flushing and defines a serpentine, series flow path and is arranged to discharge the neutralized condensate as a result of the entry of additional acidic condensate at its inlet. To enhance the operation of the neutralizer, it is arranged to be vibrated during normal operation of the furnace.

Abstract: A mechanism for securing a door to a door frame includes a plurality of generally C-shaped clamps rotatably secured about the door's periphery, each of the clamps including a rear radial clamp leg engageable with the rear of the door frame, a forward radial clamp leg overlying the front surface of the door, and a connecting base extending between the radial legs, with inner cam surfaces on each radial leg and an outer cam surface on the forward radial leg. A plurality of wedges are slidably secured to the door front surface for radial movement between extended and retracted positions wherein the wedge respectively engages or does not engage the inner cam surface on an associated forward clamp leg to effect latching or unlatching of each clamp about the door and frame.

Abstract: A load monitor for a reciprocating machine having a selective sensor connection for monitoring the total load or the individual load on each machine support member. A sensor is mounted on each one of a pluralityof support members. The sensors are connected in series and to an outlet through which a portable detector may be connected. A multi-position switch selectively connects the sensors to the outlet so that the total load or the individual load on each support member may be monitored.

Abstract: A mounting arrangement which utilizes an oversized support shaft journaled in dual ball bearings in conjunction with worm gearing and axially adjustable set screws eliminates rotational and axial backlash in a swivel and tilt mounting for television surveillance cameras or other equipment which must be directionally adjustable. The mounting arrangement permits standard manufacturing and assembly techniques to be utilized while allowing simplified disassembly, repair and adjustment.

Abstract: A connector or adaptor is provided for connecting several different style windshield wiper arms to a crosspin of a crosspin-type wiper blade. The connector or adaptor includes a one-piece tubular portion having inwardly urged detents, tabs or lips which engage in openings in the arm ends to latch the connector or adaptor to the end of the arm. The connector or adaptor has a pair of spaced walls with restricted openings merging into aligned apertures which apertures are adapted to receive the crosspin of the blade when said restricted openings are forced down over the pin. Several style arm ends with aligned openings in the opposite side walls can be connected to the connector or adaptor.

Abstract: A method and apparatus for the detection of the magnitude of selected chemical substances in a biological fluid by fixed rate analysis. Photometric analysis is performed sequentially upon a standard solution and then upon an unknown sample to determine the rate reaction in each. The method and apparatus minimize or eliminate error in equipment drift and calibration. The rate reaction is manually initiated in a standard solution carrying a known amount of a chemical substance. The standard is then placed into a photodetector circuit to produce a voltage representing optical density which increases at a constant but unknown rate during the reaction. The time required for the voltage to change from a base-line level to a selected and pre-set value is then measured and stored as a calibration reference time.