Abstract: An access window for use in fast food establishments and other similar drive-thru business establishments is disclosed. The window broadly comprises an elastic operating mechanism, two planar window members and a segmented articulated push-bar operator which is pushed to open the access windows. The push-bar operator can be locked in the open position. Upon releasing and/or unlocking the operator push-bar assembly the access window returns to its closed position by means of a closer bias member. The access window also comprises a locked window bias member which absorbs the pushing action on the operator push-bar, in the event the access window is latched shut, without damaging the access window and further without damaging the operating mechanism.

Abstract: A gas burner system for providing a thin, flat flame for use in a long narrow combustion space, has a first air supply plenum which has a long narrow rectangular cross-section, which is placed above a second plenum or combustion chamber of substantially the same cross-section. At the junction between the first and second plena there are longitudinal projections inwardly from both long walls of the second plenum, forming a long narrow rectangular inlet to the second plenum. A burner assembly comprising an elongated flattened pipe having a plurality of short air baffles welded on each side is supported in this narrow inlet to the second plenum and substantially in the center thereof. The overall width of the burner assembly is less than that of the inlet so that there are two longitudinal gaps between the burner assembly and the projections for the passage of combustion air. There are two sets of ports in the lower edge of the flattened pipe.

Abstract: What follows is a description of a mechanism for displacing structurally related component parts of a larger assembly of parts relative to each other. The component parts are typically locked together into the larger assembly and the mechanism is designed to first unlock the component parts and thereafter produce the relative displacement of the component parts. The mechanism is also designed to reverse the noted procedure and first produce the relative displacement followed by locking of the component parts. The procedure is effected using a single actuator and a continuous operation.

Abstract: An epicyclic gear mechanism having a series of gear trains each including a rotatable cage, a plurality of planet gears, a stationary gear pinion and an output gear, all of the gear trains being mounted about a fixed shaft. The output gear of one gear train is operably associated with the input gear of a succeeding gear train and is rotatable relative to its cage, and a final output mechanism is associated with the last gear train of the series.

Abstract: A cylindrical cam is obliquely mounted on a drive shaft to be shiftable in the axial direction. The cam and the drive shaft are concentric at the axial center and the eccentricity of the cam increases gradually towards the opposite ends and in opposite phases. A pair of contact members carried by a follower member engage the opposite sides of the cam. As the drive shaft is rotated a reciprocating motion is imparted to the follower member and by shifting the cam in the axial direction the amplitude of the reciprocating motion can be varied.

Abstract: An electric regulating device, particularly for a speed control device for motor vehicles, with a servomotor and a rotatably mounted element which actuates the regulating member, the rotatable element particularly being a cable pulley which stands in operative connection with the servomotor via a gearing and a coupling device containing an electromagnet. At least one of the gears of the gearing is radially and at an angle or axially moveable mounted, and is connected indirectly or directly with an armature, which in turn cooperates with the electromagnet.

Abstract: A mechanism for selectively and/or automatically decelerating and positively reversing the normal direction of rotation of a rotatable shaft is provided. The mechanism includes a member which is meshingly engaged to a shaft driven by a one-way drive, such as the input shaft of a change gear transmission driven by a Diesel engine, and is operable to decelerate the shaft and positively rotate the shaft in the opposite direction of rotation.

Abstract: This invention is directed to a fireplace heat exchanger and air conducting means arranged and constructed to recover and utilize substantial quantities of heat energy which normally would be expelled to the outside atmosphere via the flue. This assemblage includes a heat exchanger surface which increases the quantity of heat being transferred from the combustion gases of the fuel being burned in the combustion chamber of a fireplace to the air passing through the heat exchanger. The assemblage is capable of being constructed as an insert module assembly for use with an existing fireplace or may be constructed as original equipment in prefabricated and ceramic fireplaces.

Abstract: A power transfer mechanism incorporated in a multiple path drive system comprises a transfer case disposed between a source of input torque and a pair of drive axles. Torque is transferred directly to the fixed axle and is transferred automatically to the steering axle through a double-acting overrunning clutch when required. The clutch is biased toward one engaged position and is prevented from locking inadvertently in the other engaged position by a cam operated blocking device. The device also assists in biasing the clutch.

Abstract: A differential including a driven carrier which rotatably receives a pair of spaced bevel gears secured to axially aligned shafts concentric with the axis of rotation of the carrier. A pair of diametrically opposed slots are formed in the inner surface of the carrier and extend parallel to the carrier axis. A two-piece floating pinion pin having pinions journaled thereon includes generally rectangular feet on opposite ends thereof slidably received in the slots and defining flats that are longer than the pin diameter and which slidably engage the sides of the slots thereby preventing rotation of the pin relative to the carrier while allowing the axis of each pinion to shift longitudinally of the slot to maintain the axis of each pinion centered between the engaged portions of the bevel gears.

Abstract: An eccentric balancing system for assisting the reciprocal motion of a well pump which includes a first mandrel having wound thereabout a first sheave chain, the wind up of the first sheave chain being arranged for stacked alignment. A second mandrel, mounted for rotation with the first mandrel, is wound in the opposite direction to store in stacked arrangement a second sheave chain which may be either connected to a counter balancing weight or which may be deployed to articulate a second well pump. In the event that the second mandrel is utilized to articulate a second well pump a third mandrel may be utilized for counterbalancing any inequalities between the two well bores. It is intended to include a switching circuit, which according to the playout of the sheave chains engages an electric motor to augment the losses attendant with pumping fluid and the friction losses in each bore.

Abstract: A motion transmitting remote control assembly of the type for transmitting forces along a curved path by a flexible motion transmitting core element movably supported within a conduit. An elongated adjustment member having teeth disposed on the bottom flat side of its irregular shaped cross section is attached to the conduit at one end and extends through a passageway in a support member adapted for attachment to a support structure. An L-shaped metal latch member is supported in a guideway in the support member and includes an aperture with a tooth extending along one edge of the aperture for engaging the teeth along the bottom of the adjustment member. A spring biases the latch member in a direction so that the tooth in the aperture thereof engages the teeth along the adjustment member. A pair of flanges extend into the passageway of the support member adjacent one end to define a generally T-shaped opening.

Abstract: A device for transforming a rotational motion into a linear motion comprising a shaft and a sleeve enclosing the shaft, the shaft and sleeve adapted for relative axial movement upon relative rotation of the shaft and sleeve. A plurality of rolling bodies between the shaft and the sleeve arranged in a closed track with a load carrying part in the form of a spiral line and a relieved recirculation part. The sleeve includes an inner portion of flexibly deformable material suited for contracting the rolling bodies and have a helical race track therefor and an outer portion provided with a recirculation channel for the rolling bodies. The shaft which is enclosed by the sleeve has a smooth surface and the rolling bodies are urged against the shaft by means of the inner elastic portion of the sleeve.

Abstract: A motion transmitting remote control assembly of the type for transmitting forces along a curved path by a flexible motion transmitting core element movably supported within a conduit. The core element is a stranded cable-like member having a first end extending from a support member secured to the conduit and supported by a support structure. A terminal member is disposed on the end of the core element and is operatively attached to a control member. The support member includes a male spherical end portion and a wiper means comprising a female spherical member is snapped onto the male spherical portion for swivelling movement. The female spherical member is in wiping engagement with the core element for preventing foreign matter on the extended length of the core element from entering into the conduit upon movement of the core element while at the same time allows the axis of the extended length of the core element to move in a conical area.

Abstract: A drill drive mechanism is especially adapted to provide both rotational drive and axial feed for a drill of substantial diameter such as may be used for drilling holes for roof bolts in mine shafts. The drill shaft is made with a helical pattern of scroll-like projections on its surface for removal of cuttings. The drill drive mechanism includes a plurality of sprockets carrying two chains of drive links which are arranged to interlock around the drill shaft with each drive link having depressions which mate with the scroll-like projections. As the chain links move upwardly or downwardly the surfaces of the depressions in the links mate with the scroll projections to move the shaft axially. Tangs on the drive links mate with notch surfaces between scroll projections to provide a means for rotating the shaft. Projections on the drive links mate together at the center to hold the drive links tightly around the drill shaft.

Abstract: An apparatus for imparting torsion to a tubular member, including a body member, an arm member, a saddle member, and a loop means such as a chain. Torsion is imparted to the tubular member by inducing tension into the chain entrained around the tubular member so that the tubular member is brought to bear against the body member or dies in the body member. A variety of configurations of the apparatus are possible, permitting adjustment to accept different diameter tubular members and assuring maximum positive load reaction.

Abstract: To secure an operating handle or crank to an operating shaft while inhibiting undesired axial removal of the handle from the shaft, yet permitting controlled removal, for example for repair, a coupling element made of a yielding plastic material, for example of a polyamide resin, is slipped on the shaft, the shaft and the coupling element being formed with interengaging projections and recesses, for example a groove in the shaft and inwardly projecting shoulders on the coupling element. The coupling element itself is slit radially, so that it can be expanded and removed from the shaft by release of the interengaging projections and recesses. The operating handle is formed with recesses to receive axially projecting extensions of the coupling element which engage in the recesses to lock the handle to the coupling element and thus prevent axial removal. Rotation is transmitted between the handle and the shaft by direct engagement of splines and flutes formed on the shaft and the handle, respectively.

Abstract: A track guided carriage unit for selectively supporting a variety of work performing devices, tools and the like for movement along a predetermined working path, in which a supporting platform has spring loaded wheels that are releasably clamped by a manually operable handle into and out of engagement with opposed surfaces of a guide track, and wherein a motor driven pinion has adjustable meshing relation with a linear rack extending along the track, the pinion being operative to advance the platform at a predetermined rate of guided movement along the work path.

Abstract: A fluid floated inertial platform is inertially stabilized by means of a plurality of hydraulic torquers which operate in response to electrical stabilization signals which may be generated in response to gyro pickoffs on stabilizing gyros for each of the three stabilization axes. Each of these hydraulic torquer devices comprises a deflector member, which may be in the form of a section of a cylinder, this deflector member being supported on a base member mounted in the surface of the platform. The deflector is supported on the base member by means of flexible strips or tapes which permit rotatable motion of the deflector in response to torquing signals. Such rotatable torquing of the deflector is provided by means of an armature mounted on the deflector which operates in conjunction with an electrical torquer on the base member which receives electrical torquing signals from the stabilization system.

Abstract: An oil pressure control means for operating an automatic transmission for automobiles in a manner to establish various speed shift stages in accordance with the balance of the throttle pressure and the governor pressure, including a combination of a thermo-sensitive control means operable in response to the engine temperature and an oil passage change-over means, said combination being adapted to supply the line pressure in lieu of the throttle pressure to a speed shift valve which establishes the highest speed stage when the engine is not yet warmed up thereby positively shifting the speed shift valve to the lower speed shift position by over-balancing the governor pressure by the line pressure.