Abstract: The present invention relates to a bolster which is used for physical therapy especially for handicapped children. The bolster comprises a pair of solid discs at the ends thereof and a plurality of spaced, hollowed-out intermediate discs having a cylindrical outer shell preferably of relatively light gauge metal wrapped thereabout. The cylindrical shell is then covered with a layer of foam rubber which is adhered thereto and turned over onto the periphery of the end discs. A brightly colored vinyl covering is then placed over the foam rubber. The operation may be facilitated by covering the foam rubber first with a plastic sheet or other low friction thin covering and slipping the vinyl thereover. The vinyl covering is secured in place to the end discs and a handle is fastened to one of the end discs for ease of handling.

Abstract: A vehicle console for mounting and enclosing radios and the like characterized by a box-like enclosure having a frontwardly facing access opening that is coverable by an access door. The access door is lockable, and outwardly pivotable so that a radio and the like, having frontwardly presented control panels, may be easily adjusted when the door is downwardly opened. The box-like enclosure is pivotable with respect to a bracket that is adapted to be mounted upon an vehicle surface. To ensure secure anti-theft mounting of the bracket to a vehicle surface, square aperture holes are provided in a downwardly disposed flange of the bracket so that the carriage head bolts may be downwardly inserted therethrough, thereby rendering it impossible to remove the mounting bolts from above.

Abstract: A chain door guard assembly has a chain fixed at one end with chain heads along its length and a guard plate having a raised main body section and flanges for attaching the guard plate to a door. The main body section of the guard plate contains a long slot and a plurality of entry slots which permit insertion of a plurality of chain heads into the long slot. Two independent entry slots, for accepting a chain head in one instance and a chain-attached slide bolt in the other, are also provided. The resulting chain door guard assembly affords selectively varying degrees of security and convenience, achieved by the insertion of those chain heads into their designated entry slots. This door guard assembly may be used for left or right side door installation.

Abstract: A multishelf cabinet, open at the front, is made up of a back and two end members joined by block hinges at the upright corners for folding of the ends inwardly against the back. The back is split vertically at the center and the two pieces are hinged together for folding backwardly upon each other. When open a plurality of shelves fit within the cabinet space provided and have tenons extending through mortises in the back and the ends. The ends of the tenons have vertical holes into which wooden clothespins fit to secure the assembly together. A canvas or wooden front may be provided with suitable fastenings to protect the storage items placed on the shelves.

Abstract: Each stringer of a slide fastener includes a plurality of spaced coupling elements, molded on continuous connecting threads, with wing portions extending into the spaces between the legs of coupling elements on the upper side thereof. The stringer tape weft threads are looped over the connecting threads and pass over the edges of the wing portions adjacent the heads of the coupling elements while a number of the warp threads interwoven with the weft threads overlie the legs and wing portions to form a slide fastener chain with hidden or invisible elements.

Abstract: Portable apparatus for imparting a rocking motion to a bed includes at least one vertically reciprocating mechanism disposable at one side of the bed and a first horizontally oriented bar connected to the reciprocating mechanism. A support structure including a second horizontally oriented bar is disposed adjacent to the opposed side of the bed. Cables or flexible webs are connected between the respective opposite ends of the two bars passing beneath the bed to support the bed above the floor. Controls are provided to actuate the vertically reciprocating mechanism at a predetermined frequency and vertical displacement to provide the desired rocking motion.

Abstract: A cushion for a sofa or chair or the like, preferably formed of a polyurethane foam pad and a vinyl cover. Buttons are incorporated to provide dimples in the cover. The buttons are the heads of pins which project into the pad and are fastened in place at a separation in the pad. The pad may be slit to provide the separation or may be made in two pieces sandwich style. A filler of lesser width and length than the pad may be positioned within the pad at the separation to provide a crown for the cushion.

Abstract: A lock assembly for locking or unlocking the door of a truck or trailer body from a handle located inside the cab of the tractor. The tractor cab is fitted with a pivotable handle lever mounted on about fixed rachet gear engaged by a pivotable tooth on the handle lever, with the handle lever linked by a lock rod that extends under the floor of an attached truck or trailer body to a latch fixed on the door of the truck or trailer body. The lock rod may be fitted with coupling means for separation into a tractor section and a trailer section for use when the trailer section is detached from the tractor. The door latch is in the form of a bolt slidable axially through an eye member fixed to the truck door or alternately the bolt is bent at an angle to rotate about a fixed bracket on the door, with the bolt coupled to the lock rod by helical-slotted collar that translates reciprocal axial motion of the lock rod into rotary motion of the bolt.

Abstract: A system is provided for buoyantly supporting an offshore structure so that it may be floated to a location in a body of water and then permitted to sink to the bottom, which consists of self-stabilizing apparatus comprised of a set of floodable chambers disposed around a central axis and a generally horizontal distributor, located above the floodable chambers to supply water thereto, whose axis is parallel to the axis of the floodable chambers. The distributor consists of an inner chamber which is connected to a water supply, an outer chamber which is partitioned into a set of compartments that complement the floodable chambers and an annular wall between the inner chamber and the compartments permitting an overflow of water from the inner chamber to the respective compartments, and each compartment is connected to its diagonally opposite floodable chamber so that water flows from it to that floodable chamber.

Abstract: An apparatus for anchoring a ring tensioning member in a circular container, especially a concrete tank or a concrete tube, characterized by a hemispherical anchorage body being located in a recess in the wall thickness of the container in overhung position having on its circumference at least one slot and through bores for a bracing cable. The bracing cable which has been inserted in the wall of said container and prestressed by a stretching mechanism will be anchored in said anchorage body, whereafter the recess will be covered in such a way as to be in alignment with the surface of said container.

Abstract: The disclosed vibratory cable plot has two in line plow blades supported on a trailer having a transverse horizontal pivot and a vibrator which imparts a rocking oscillatory motion to the trailer and the blades. The first blade is preferably shorter, but thicker than the second trailing blade. The second blade is longer than the first blade and has a trailing cable guide guiding flexible cable, pipe and the like into the slot cut by the blades. The double blade assembly is more efficient than a single blade and reduces blade wear.

Abstract: A coffin-like liner for the cabinet of a refrigerator to be disposed within the outer casing of the refrigerator. The liner includes a first integral sheet which defines the back and the bottom portion of the liner and a second integral sheet which defines the top and the sides of the liner. The sheets are mechanically connected together by a crimped seam along their mating edges which extend along the juncture of the sides and the bottom and along the juncture of the sides and the back and along the juncture of the top and the back. The crimped seam includes a U-shaped portion extending along the edge of the sheet defining the back and the bottom and an L-shaped flange extending along the edge of the sheet defining the top and the sides with one leg of the L-shaped disposed in the U-shaped portion. A filler material fills the space between the mating portions of the two sheets to provide a smooth continuous surface within the liner.

Abstract: A sleeping bag having a pillow pocket at the head thereof, a bag portion extending along less than one-half the length of the sleeping bag, and a foot portion having a longitudinally extensible and laterally expandable section within the bag portion of the sleeping bag.

Abstract: A service counter having several spaced apart service stations each of which allows a single person to service two customers. Each service station includes a pair of customer windows facing a common service person workspace positioned therebetween so that the person is equally accessible to both customer windows, yet adjacent customer windows at different service stations face away from each other to insure privacy. The service counter maximizes equipment efficiency by utilizing a single unit of relatively expensive equipment for two customer windows, and it maximizes the efficiency of service personnel by allowing a person to service one customer while another customer at the same service station is preparing to do business with the service person.

Abstract: A door and handle latch for apparatus enclosures includes a recessed handle latch on the door which serves to immovably secure the door to the enclosure structure by engaging a portion of the enclosure when the handle latch is in the closed position. A bolt means is provided in the lower portion of the handle latch to secure the handle latch to the door in a closed position, thus, preventing opening of the enclosure.

Abstract: The disclosure relates to an electronic equipment enclosure assembled from four basic components including (a) frame rail members, (b) corner connector clips, (c) panel support clips, and (d) panel sheets. The frame members each include a pair of right angled walls terminating at flanges which form adjacent pairs of parallel, longitudinally extending internal and external slots. The internal slots receive the clips of the invention, namely, unique, simply constructed connector clips at the mitered joints to fasten the frame members in an assembled mutually perpendicular relation, and panel corner connector clips to engage and support the wall panels and/or shelves of the enclosure. The novel corner connector clip is generally dish shaped and comprises three extending arm members disposed in planes in a mutual perpendicular relation.

Abstract: There is disclosed a prefabricated storage module which employs a top and a bottom rectangular pan member, each having a peripheral slot formed integrally therewith. A right and a left side wall panel assembly each having a coupling channel adapted to coact with corresponding coupling channels on a back wall panel. The coupling channels permit a user to slide the side wall panels into the back panels to permit coupling of the right and left side wall panels with the back panel. The coupled side wall and back panels are then inserted into the peripheral slots of the top and bottom pan members and are thus secured within the peripheral slots. Hinged door assemblies can then be added to the side panels and shelves and rods can be included in the inner confines of the assembled structure by suitable bracket assemblies which are spot-welded to the side panels at predetermined locations. The resultant structure is strong as fabricated from a suitable guage furniture steel and is easily and efficiently assembled.

Abstract: A roof-support shield structure for use in an excavation to support and shield a roof above a floor of an excavation, such as a coal mine, comprises a sill beam adapted to be supported on the floor, and an inclined shield having one end pivoted to the sill beam and an opposite end pivoted to a roof cap lever. The roof cap lever includes an elongated roof cap arm which is adapted to be positioned against the roof and a crank arm which is connected to a fluid motor such as a piston and cylinder combination to pivot it and the associated roof cap arm for the purposes of positioning the roof cap arm in association with the roof. The roof is also supported by a prop in the form of a fluid piston and cylinder combination connected between the roof cap and the supporting sill. The sill is advantageously provided with a walking and aligning mechanism for coupling it to an adjacent shield which may be shifted along the mine floor therewith.

Abstract: An ice cutter movably mounted on a marine structure for cutting encroaching ice floes or ice sheets. A cutter blade is mounted on the structure so that it may be conveniently moved into a position on the structure toward which the ice is moving. Acoustical energy is imparted to the cutter blade which in turn is positioned adjacent the encroaching ice and moved relative to the ice in a manner to cut out a path of unconsolidated ice so that the floe may pass the marine structure without applying destructive forces to the structure.

Abstract: This invention relates to a system for depositing and protecting sediments on the floor of a body of water by utilizing an arch-shaped rigid cast sheet of heavy material with the weight thereof being utilized to maintain the sheet in bridging relationship to a pipe or like installation resting on the floor of the body of water. Alternatively, several of such sheets can be interlocked to each other by tongues and grooves, may be pivotally secured to each other or to the pipe, and are provided with means for precluding damage to the pipe should the sheets be gripped or contacted by a dragging anchor of a vessel.