Abstract: A toy vehicle includes a body and a left front wheel, a right front wheel, a left rear wheel, and a right rear wheel, with each of these wheels being coupled with the body and rotatable relative to the body. The toy vehicle also includes a caster assembly that includes a swivel-type caster. The swivel-type caster is coupled with the body and includes at least one rotatable wheel. The swivel-type caster is swivelable relative to the body and is movable vertically relative to the body between a raised position and a lowered position.

Abstract: A toy vehicle includes a body and a left front wheel, a right front wheel, a left rear wheel, and a right rear wheel, with each of these wheels being coupled with the body and rotatable relative to the body. The toy vehicle also includes a caster assembly that includes a swivel-type caster. The swivel-type caster is coupled with the body and includes at least one rotatable wheel. The swivel-type caster is swivelable relative to the body and is movable vertically relative to the body between a raised position and a lowered position.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. The handle includes a lower portion and an upper portion pivotally connected to the lower portion and pivoted between an upper position for use and a lower position for storage. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to one of the base portion and the handle. A recovery tank removably mounted to one of the base portion and the handle and is in fluid communication with a suction nozzle secured to said base portion.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to a side of the handle. A recovery tank is removably mounted to the opposite side of the handle. A suction nozzle is secured to the base portion. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank.

Abstract: Lunge poles used to assist a user in maintaining his or her balance while performing lunges include a base, a pair of resilient couplings mounted on the base and a pair of tubular poles extending from the resilient couplings. The base is generally planar and includes four outwardly extending feet having rubber pads on the bottom thereof to frictionally retain the base in position on a floor. A pair of holes is formed in the top of the base for receiving the resilient couplings. An annular groove is formed in the couplings for snap-fitting the couplings with the holes of the base. The couplings include an elongated tapered stem which extends downwardly into the base and a criss-crossed shaped top portion for receiving a bottom end of the tubular poles. A middle section of the couplings is tapered downwardly forming a thin neck which allows the couplings to pivot on the base in a 360.degree. range of motion.

Abstract: A process to form a generally rigid cushion package from loose fill dunnage material. The loose fill dunnage material is particles of cellular thermoplastic or thermosetting material. The process involves surrounding, within a second packaging enclosure, the article to be packaged with an amount of loose fill dunnage material. The second packaging enclosure is placed in a first packaging enclosure. The second packaging enclosure has an original volume greater than internal volume of the first packaging enclosure. An internal vacuum is created in the second packaging enclosure causing the original volume of material therein to decrease below the internal volume of the first packaging enclosure. The first packaging enclosure is sealed and the vacuum within the second packaging enclosure released.

Abstract: Layers of heat sealable material are pressed between opposed jaws, cut through, and simultaneously the edges along each side of the cut line are sealed using an improved impulse sealer and method wherein a narrow, internal cooling vein(s) or channel(s), defined near the working interface of the jaws, is cooled by a pressurized stream of refrigerated gas to provide forced cooling to the sealed edges during the cooling portion of the sealing cycle.

Abstract: A metal-plastic-metal structural laminate which can be formed into various useful articles having compound curves using conventional metal forming techniques. The laminate comprises two metal skin layers and a centrally disposed polymer layer comprising a core layer, and optionally first and second adhesive layers. Each metal skin layer is 2 to 20 mils, the ratio of the core thickness to skin thickness is less than 9:1 and the total laminate thickness is 5 to 65 mils. The laminate can be bent to 90.degree. to a critical radius, the distance between the pivot point and the inner skin surface of the laminate, without metal rupture.

Abstract: A packaging machine is provided in which wire is fed for cutting into predetermined lengths for subsequent formation into U-shaped clips for clinching about a constricted product filled tube. It includes means for varying the length of the cut off portion by adjusting the position of a cut off knife along the wire against the biasing action of a cooperating wire receiving member or cut off round.

Abstract: Impulse sealing apparatus having a forced cooling cycle following the impulse heating cycle, and comprising in combination, a vortex tube which converts a source of compressed gas at ambient temperature into a cold gas stream, a heat exchanger cooled by the cold gas stream generated by the vortex tube, a second source of pressurized ambient temperature gas communicating with the heat exchanger and cooled thereby, and means for removing the second source gas stream from the heat exchanger and communicating with the impulse sealer for supplying chilled gas thereto.

Abstract: A pneumatic control system for a press which includes a pair of start switches. The system is constructed so that the press can only be started if both of the start switches are actuated within a predetermined time interval. If one of the start switches is released during a down stroke of the press, the press is stopped. A cam operated switch permits continued operation of the press after the press has reached its bottom position even though start switches are released after the press has passed full down position. A brake cam operated switch prevents operation of the press if the press fails to stop at its full up position.