Abstract: A switch valve (1) connectable on the inlet side to a levelling valve (18) via control line (20) and also electrically activatable, which the positions raise, lower, drive and stop, possesses, on a housing (2), a supply connection (14) for a compressed-air source, an outlet (10) and at least one connection piece (11) for connection to a pneumatic-spring bellows (13), a slide (6) and a hollow double-valve body (24) being switchable in the housing (2) into the four positions via two switch pistons (4, 5) and two solenoid valves (37, 38) preceding these, and an inlet valve (24, 26,) an outlet valve (31, 35;32, 35, etc.) and a shutoff valve (27, 30) for the respective connection and isolation of the lines thereby being formed in the four positions. The hollow double-valve body (24) has a connection piece (21) located on the end face and intended for the control line (20) brought up from the levelling valve (18).

Abstract: A cornice board assembly comprises a face board of expanded plastic foam material and means forming a dust board and side members of expanded plastic material. The boards are joined together with their edges in alignment by means of a water based cement.

Abstract: This invention relates to a shavings conveyor having a reversing contactor for protecting the drive assembly (1) of the shaving conveyor from undue wear caused by the overloading of the shavings conveyor. When the conveyor becomes overloaded, a torque support beam (12), which is attached to the housing of the drive assembly (1), is caused to rotate. A threaded rod (15) is attached at one end to the beam (12) and moves with the displacement of beam (12). An L-shaped chip (20), mounted to the opposite end of threaded rod (15) and having a control cam (21) attached thereon, is moved with the threaded rod (15) so that the control cam (21) attached thereto engages a control switch (22). As the control switch (22) is activated, it signals the motor of the drive assembly to briefly reverse the direction of movement of the shavings conveyor so as to disperse the accumulation of shavings.

Abstract: A work-holding fixture for clamping a workpiece in position on a work-holding table has a guide shoe (1) and an associated clamping dog (2) which is designed as rocking lever (21) and has extensions (24) which are arranged in the center area and are supported on the guide shoe. A clamping screw (36) is provided at the free end of the clamping dog (2). The recesses (8, 9) are provided in such a way as to be continuous over the length of the guide shoe (1) and are integral parts of a T-slot-shaped cross-sectional configuration of the guide shoe (1). The clamping dog (2) has a curved form in which the free ends of the gripping leg (22) and of the clamping leg (23) are arranged higher than the extensions (24). The extensions have a roughly elliptical cross-section with an orientation of the large axis roughly in the longitudinal direction of the clamping dog (2). The clamping dog has a return spring (30) acting against the clamping direction.

Abstract: A decorative display device has a frame member, a first scenic member contained within the frame, and a second member spaced from the first member by spacer means. One or more apertures in the first scenic member permit viewing the second member. A floor plate is affixed to the front of the scenic member and extends outwardly therefrom.

Abstract: A collapsible carrying rack for pick-up trucks comprises four upstanding arms that support spaced horizontal support beams that extend above and transverse with respect to the truck bed. The rack is adapted to be collapsed and folded out of the way into small elongated receptacles mounted to the sides of the truck bed when the rack is not in use.

Abstract: An apparatus for the positional adjustment of cutting tools for use on machine tools has a first block having a gauging surface mounted thereon and translationally and swivelly movable on a perpendicular shaft. A second block is coupled to the first block in such a manner that the two blocks move together translationally with the first block being free to swivel relative to the second block. The second block carries indicating means for indicating the amount of translational movement of the two blocks.

Abstract: The present invention comprises a method and apparatus for automatically halving and processing the breasts and backs of poultry carcasses while the carcasses are still moving along a poultry processing line. The carcasses are pulled along the length of an internal guide rail (29) for processing. A rotary halving blade (48) positioned initially below the internal guide rail (29) is movable upwardly to engage and cut the breast into halves. After the breast has been split in half by the rotary halving blade (42), a pair of rotary separator blades (48) cut through the back of the carcass between the breast and thighs of the carcass to separate the breast and upper back from the legs, thighs and lower back of the carcass. A pair of back removal blades (61) positioned above the internal guide rail (29), the rotary separator blades (48) removes the upper backbone from the breast.

Abstract: A suspension eye (1), having two suspension points, for an exhaust system of a motor vehicle has a band (2) of elastomer material and a self-contained liner (3) which is elastically deformable in the plane of the band and has an at least rhombus-like initial shape. The liner (3) consists of extensible, resiliently compliant material. Embedded in the band (2) are two bushes (4, 5) and the liner (3) in the band (2) bears directly against the bushes (4, 5).

Abstract: A framing aid for use in the construction of a building comprises an elongated member having formed therein a plurality of transverse grooves for accepting the ends of studs and a longitudinal groove intersecting the transverse grooves for accepting a plate and maintaining it in contact with the ends of the studs for attachment thereto.

Abstract: A vehicle mounted vacuum cleaning system (20) includes a portable frame (23), a cyclone separator (51) mounted to the frame and a blower (111) for urging in the airstream to pass through the cyclone separator. Movable support arms (53, 54) are provided for supporting the cyclone separator and for moving it between a first position adjacent the portable frame and a second position extended laterally from the portable frame. Lifting track (141) and rail (142) are provided for moving the cyclone separator between raised and lowered positions. The vacuum cleaning system further includes a plurality of filter bags (76) mounted within a filter bag house (75) and air purge grids (81 and 82) for cleaning all of the filter bags simultaneously.

Abstract: An apparatus for aerating turf including a mounting frame (11) for mounting the apparatus to the hydraulic lift system (12) of a utility tractor. A trailer support frame (13) is pivotably mounted to the mounting frame (11) so as to enable the trailer support frame (13) to tilt toward and away from engagement with the turf. A plurality of rotary hoes (39) are supported within the trailer support frame (13) along a drive shaft (41). The drive shaft (41) is rotated by the power take-off (44) of the tractor, and causes the rotary hoes (39) to vibrate as the tines (58) of the rotary hoes (39) penetrate the soil so as to aerate the turf without causing compaction of the soil.

Abstract: A coin slide [10] is provided having an apparatus for rejecting magnetic coins and magnetic slugs and comprises a housing [11], a mounting flange [12] and a track [16]. A slide or carrier [21] is slidably received within the track [16] and has slots [23] for carrying coins standing vertically on edge along a horizontal coin path. A cylindrical permanent magnet [33] is positioned above the coin path for lifting magnetic coins and magnetic slugs at least partly out of the coin path to prevent the slide from carrying the coins farther along the coin path. An elongated cylindrical stop [34] provides a positive barrier against which magnetic coins and slugs which have been lifted by the magnet can engage to prevent further insertion of the slide [21].

Abstract: An arrow rest for use with an archery bow comprises a mounting member attached to the bow handle and extending rearwardly thereof and a yoke adjustably and pivotably mounted to the rear end portion of the mounting member. The yoke defines a radially accesible opening having a central axis and a pair of pedestals are mounted to the yoke extending into the opening with the pedestals positioned to support an arrow. A resilient retaining member extends into the opening in substantially opposing relationship relative to the pedestals. The resilient retaining member is positioned to limit lateral movement of an arrow extending along the central axis of the yoke so that the arrow is maintained in the arrow rest prior to and during launch. The resilient retaining member flexes to one side in response to movement of an arrow into the arrow rest to allow the arrow to fall into place on the pedestals, whereupon the retaining member returns to its unflexed configuration to maintain the arrow in place.

Abstract: The invention relates to a bellows in which the multi-layer cover which forms the bellows body consists of at least one carrier layer, an outer layer and an inner reinforcing layer, and the layers forming the cover are surface welded together.

Abstract: A boat haul vehicle (10) includes lower and upper tiers of adjustable ramps (20-25) and skids (48), (50) and (51), and the ramps and skids include tracks (76). Dollies (55) are mounted to the front portion of each boat trailer, and the track wheels (75) of each dolly have a peripheral shape that is compatible with the tracks (76) mounted on each ramps and skid. Winches (91-94) are connectable to the boat trailers so as to progressively pull each boat and its trailer onto or off of the boat haul vehicle, with the track wheels (75) guiding the front of each trailer on the tracks (76).

Abstract: Transport plate (28) is moved downwardly into engagement with work product (25) and the plate (28) moves the work product to the edge finisher, such as sewing head (12) (FIG. 3). When the first edge (68) covers the first sensor (61), the transport plate (28) begins its movement from right to left (FIG. 4) so as to move the first edge (28) through the edge finisher, and the edge is finished as with an overedge stitch. When the second edge (69) uncovers the second sensor (62), the transport plate (28) rotates around an axis of rotation (75) (FIG. 5), causing the work product (25) to be rotated about the same axis of rotation (75) and the edge finisher forms the overedge stitch about the curved path until the second edge (69) covers first sensor (61), whereupon the linear right to left movement is resumed (FIG. 7).

Abstract: The present invention comprises a method and apparatus for automatically halving and processing the breasts and backs of poultry carcasses while the carcasses are still moving along a poultry processing line. The carcasses are passed along the processing line through a V-shaped separator blade 26 which separates the saddle portion of the carcass from the breast and back of the carcass. The breast and back of the carcass are then pulled along the length of an internal guide rail 32 by a pair of chain conveyors 33 for processing. A large rotary halving blade 43 positioned below the internal guide rail 32 is movable upward to initially cut only the breast of the carcass and further upward to separate the entire carcass in half. A pair of back removal blades 46 positioned above the internal guide rail 32 following the rotary halving blade 43 can be lowered to remove the backbone from the carcass if the halving blade 43 is not fully raised to separate the entire poultry carcass.

Abstract: The security device of the present invention is secured to the floor of a structure adjacent the hinge side of a door to be made secure. The security device has an element which can be elevated by foot from its storage position to engage against the inner face of the door to prevent the door from being opened beyond a minimum amount and then can be depressed by foot to allow for normal usage of door.