Abstract: A vehicle safety belt system with a retractor lock device which includes a retractor (40), a belt (50) terminating in a male buckle member (52), a female buckle member (60), and a retractor lock device (20). The retractor lock device (20) includes a lock member (30), a base member (21) having an anchor bolt (22) attached thereto, a spring (23) and a guide bolt (24). The lock member (30) is movable between a disengaged position and an engaged position, the spring (23) normally urging the lock member (30) into the disengaged position. When the male buckle member is inserted into the female buckle member, it moves the lock member (30) into engagement with the retractor (40), thereby preventing rotation of the retractor.

Abstract: An operator for a casement-type window having a frame and a sash mounted by a slider adjacent an edge of the sash for rotational opening and closing movement about a slider pivot axis with linear movement of the slider. The operator has a first sector gear fixed to the sash with the gear center offset relative to said slider pivot axis and a second gear meshing with the sector gear and functioning as a drive gear with a first link functioning to hold said gears in meshed relation and a constraining link connectable between the sash and the window frame with the constraining link and said first link acting to guide the opening and closing movements of the sash.

Abstract: A tractor-trailer unit (10,26) including a trailer (26) having wheels (30) at its rear and adapted to have its front supported by a hitch (16) to a tractor (10), a draft assembly (20) having spaced elongated arms (24) extending from the front rearwardly along the sides of the trailer, each arm being pivotally connected (34) to the trailer on a common horizontal axis intermediate the front and the rear, each arm further being jointed (54) intermediate its end to define front and rear sections (50,52) and dampeners (56,74,76) interconnecting the front and rear sections of each of the arms.

Abstract: A mobile apparatus (20) has a hydraulically operated pivoted boom (22) and a hydraulically operated pivoted arm (24) and on the free end of the arm is a hydraulically operated mechanism (26) for handling heavy loads in ways that cause torsional and bending distortion of the boom (22) and the arm (24). Coplanar steel hydraulic conduits (42a and 42b, and 45a and b to 50a and b) are slidably carried in conduit support blocks (57); and those blocks in turn are mounted on brackets (53) fixed to the arm (24) or brackets (69) fixed to the boom (22) by carrying means (56 or 72) which allows directionally unrestricted limited movement of the blocks (57) in a plane parallel to that of the conduit centers, and which also allows axial movement along lines perpendicular to that plane.

Abstract: A fuel flow rate measuring system including an inlet (30) for receipt of liquid fuel, a flow meter (34) connected to the inlet for measuring and indicating fuel flow, and an outlet (44) for connection to a fuel consuming apparatus. A fuel flow recirculating line (42) is connected to the system between the flow meter and the outlet (44) and defines, with the outlet, a closed, constant volume fuel flow path. A gas vent (46) is disclosed in the path for venting gas therein while containing liquid fuel in the path. Also disclosed is a method of measuring the fuel flow rate to a fuel consuming apparatus.

Abstract: A drop center wheel for use with tubeless tires having a pair of spaced, circumferential, radially outwarding extending bead retention flanges (16) on opposite ends of respective circumferential bead seat surfaces (14). An intermediate, circumferential, drop center (10) is disposed between and interconnects bead seat surfaces and has a lesser diameter than the least diameter of the bead seat surfaces. At least one blocking member (22) is mounted in the drop center for movement between a first position well within the drop center so that its radially outermost point (24) is located a radial distance from the axis of the wheel less than one-half of the least diameter of bead seat surfaces and a second position extending from the drop center such that the radially outermost point is located a radial distance from the axis of the wheel greater than one-half of the least diameter of the bead seat surfaces.

Abstract: A teat cup has an inflation with an intermediate portion sealed against the shell, defining a space adjacent the bottom of the shell, separate from the pulsation space. Holes through the shell and the inflation wall below the intermediate seal admit air to the inflation aiding the flow of milk. An air filter keeps dirt from the milk.

Abstract: A leak detection apparatus (18) is provided in a pressurized assembly (10) to signal a loss of pressure or vacuum downstream from a source of pressure or vacuum. A rod (60,160,260) is carried on a valve (62,162) and a diaphragm (38,138) which seals the source of pressure or vacuum from the system. A loss of pressure or vacuum downstream of the valve (62,162) and diaphragm (38,138) moves the rod (60,160,260) to a signalling position to alert an interested party that the system is lacking pressure or vacuum.

Abstract: A log skidder (10) has a fairlead (26) with a main guide roller (54) having a special contoured surface (60) to prevent grooving of the surface of the guide roller (54), to prolong cable life, and to assist in evenly winding the cable (32) on a winch drum (33). The special contoured surface (60) of the guide roller (54) includes a pair of shaped or rounded shoulders (68) at the side extremes which are aligned with the side rollers (44,46) in a way that a cable (32) passing over the main guide roller (54) in contact with one of the side rollers (44,46) receives a downward and inward centering force component which moves the cable (32) toward the midportion of the main guide roller (54).

Abstract: A tape-applying apparatus (10) is advanced toward a body (15) upon which a strip of tape (16) is to be applied to urge a plurality of stitching rollers (72,74) against the body (15). Further advancing of the apparatus (10) will move an applicator roller (42) and the end of the tape (16) into engagement with the body (15). As the body (15) is moved past the tape-applying apparatus (10), the tape (16) is pulled over the applicator roller (42) and is stitched to the body (15) by the stitching rollers (72,74). When sufficient tape (16) has been applied, the housing (20) of the tape-applying apparatus (10) is urged away from the body (15) which moves the applicator roller (42) out of contact with the body (15). A brake apparatus (94) on the housing (20) is activated by a cam recess (80) on the holders (50) for some of the stitching rollers (72). The brake apparatus (94) engages the applicator roller (42) to arrest further feeding of tape (16) to the body (15).

Abstract: A mounting grommet intended for use in bores having sharp corners. The grommet includes a sleeve of hard material and a tubular, elastomeric element extending about and along the length of the sleeve. The element includes a cylindrical shank terminating at one end in an enlarged head. An axially extending recess is disposed in the head at its interface with the shank and the head has a generally frusto-conical surface on its side opposite the recess, the radially outer portion of the frusto-conical surface being located intermediate the ends of the elastomeric element. When applied to a bore in a rigid element having sharp corners, and compressed, the construction causes the recess to deflect radially inwardly at the corner so that there is no contact between the elastomeric element and the corner that would cause premature failure of the grommet.

Abstract: A window assembly (10,110,210,310,410,510) wherein a frame (16,116,216,316,416,516) carrying a window pane (15,115,215,315,415,515) is resiliently mounted to a wall portion (14,114,214,314,414,514) by a seal (20,120,220,320,420,520). A retainer (21,121,221,321,421,521) is secured to the wall portion and defines a retaining portion (24,124,224,324,424,524) disposed adjacent the frame so as to limit movement of the frame relative to the wall portion. The retainer retaining portion may be juxtaposed to one or more stop shoulders of the frame which may be defined by the side surfaces of a recess (26,126,226,326,426,526). The retainer may be alternatively mounted outwardly or inwardly of the wall portion. The retainer may be removably secured to the wall portion by threaded securing elements (23,123,223,323,423,523).

Abstract: A power plant including an internal combustion engine having a rotary output, a fuel injection pump having a rotary input adapted to be driven by the rotary output in timed relation thereto, and structure interconnecting the input and output including first and second spaced, nonengaging gears, one connected to the input and the other connected to the output, a third gear disposed between and engaging both the first and second gears, a movable carrier journalling the third gear and mounting the third gear for movement whereby the rotational axis of the third gear may be shifted relative to at least one of the first and second gears, and a selectively operable motor connected to the carrier for moving the same to shift the third gear to selectively alter the phasing between the engine and the fuel pump.

Abstract: A rotating drive wheel which drives a pair of output shafts. The driving of each of the output shafts proceeds via a mechanical transmission which delivers rotary motion from the drive wheel to the output shafts. A drive ratio delivered by each of the transmissions can be selectively varied.

Abstract: A tire changer including a base having a lower extremity to support the base on an underlying surface, a tabletop having wheel grippers, a pivot mounting the tabletop on the base for pivotal movement about a generally horizontal axis between a generally horizontal, tire changing position and a generally vertical, wheel loading and unloading position whereat the wheel gripper is in sufficiently close proximity to the underlying surface supporting the base so as to be engageable with and securable to an upright wheel and tire on an underlying surface, a motor for selectively pivoting the tabletop between the two positions thereof, a bead loosening device connected to the base and defining a tire and wheel receiving space for receipt of an upright tire and wheel, the bead loosening device including at least one bead loosening shoe generally horizontally movable across the space in a direction generally transverse to the horizontal axis.

Abstract: In a fire extinguishing system including a pressure vessel (10) filled with a non-solid fire extinguishing material (12) having a vapor pressure that fluctuates with temperature, a controllable outlet (14, 16, 18) for the vessel, and a pressure sensing device (20) for monitoring the pressure in the vessel, the improvement wherein the pressure sensing device includes a differential pressure sensing device (20) having two input ports (22, 24) one of the ports (22) being in fluid communication with the interior or the pressure vessel, and a sealed second vessel (26) in sufficiently close proximity to the pressure vessel so as to be exposed to the same ambient temperature as the pressure vessel and filled with fire extinguishing material (28) substantially to a desired fill density, the other of the ports (24) being in communication with the interior of the second vessel (26).

Abstract: PCT No. PCT/US79/01010 Sec. 371 Date Nov. 13, 1979 Sec. 102(e) Date Nov. 13, 1979 PCT Filed Nov. 13, 1979 PCT Pub. No. WO81/01450 PCT Pub. Date May 28, 1981A differential gear assembly (10) wherein the tooth face loading is utilized to maintain the driven idler gear (17) in a preselected disposition without the need for a thrust washer. The positioning of the idler gear is controlled by the use of a single tapered roller bearing assembly (18) which serves as a thrust absorbing structure. The driver gear is maintained against the roller (28) of the roller bearing by the toothed loading during operation of the differential gear assembly and by a spring (30) at all other times. One race (25) of the single tapered roller bearing assembly (18) may be formed integrally with the bevel gear and, more specifically, may be defined by a surface portion of the bevel gear.

Abstract: A group operated circuit disconnect apparatus for overhead electric power lines has a base in the form of a box-like housing which mounts on a pole, an upright shaft extends through the housing, and a transverse shaft also extends through the housing. A linkage is mounted on the shafts in the housing so that axial rotation of the upright shaft axially rotates the transverse shaft, and this causes three circuit disconnect switches mounted on the housing to be moved simultaneously between closed positions and open positions, or vice versa, as the upright shaft is manually rotated. An end of the housing has a removable closure plate for access to the linkage.

Abstract: Improved lubrication of bearing cups in universal joints is provided. A cross of a universal joint has four trunnions extending therefrom along two mutually perpendicular lines. Bearing cups are rotatably received on the trunnions and the cups in turn are held by universal joint yokes. Lubrication passages extend from a central portion of the cross outwardly toward the ends of the trunnions. When the universal joint is stationary, lubricant such as grease may drain from an upper bearing cup down to a lower cup, leaving the upper cup devoid of lubrication when the universal joint is again placed in operation. In accordance with the invention, a cavity is in the end of each trunnion communicating with the bearing cup and a passage extension extends substantially through the cavity from the lubrication passage toward the end of the trunnion.

Abstract: A portable riser having a plurality of steps which have a travel position in superimposed relation with structure for rolling the riser along the floor, hinge means interconnecting the steps whereby they may be folded out of superimposed relation, a pair of sliders pivotally associated with each step and which are hinged to sliders of an adjacent step by said hinge means whereby lifting of one step causes erection of the riser to an erected position, and latch means automatically operable to prevent movement of the steps beyond erected position and to lock the riser in erected position for use.