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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 7243596 | Spacer expander In a combined oil ring having a spacer expander to be installed between a pair of upper and lower side rails, a plurality of axially protruding inner peripheral protruding portions are formed on the inner peripheral side of the spacer expander along its peripheral d... | 07/17/2007 |
| 6832900 | Piston mounting and balancing system A compact 180° opposed piston pump/compressor minimizes axial spacing between its pistons on the drive shaft and thereby reduces the shaking couple and noise from reciprocation. Each piston has its own eccentric element press-fit into the connecting rods so as not ... | 12/21/2004 |
| 6450084 | Piston with piston ring A piston (1) with a piston ring (10) for a hydraulic or pneumatic unit fitted with a damping device and is mounted on a piston rod, dividing a cylinder (9) into two working areas and consisting of at least two parts (2, 9) that are adjacent to a surface (... | 09/17/2002 |
| 6212998 | Packings on pump rod A design for a packing assembly for a reciprocating piston pump is shown which allows for tighter tolerancing and increased packing life.... | 04/10/2001 |
| 6162030 | Zero leakage valveless positive fluid displacement device A Positive Fluid Displacement Device (PFDD) with a removable Fluid Displacement Module (FDM) having two opposing pistons connected to a drive block. The drive block slides over a crankpin bearing in assembly to provide orbital piston motion. Opposing cyli... | 12/19/2000 |
| 5740718 | Modular piston rod assembly with integrated high-wear components A piston rod assembly is provided for operation in an outer cylinder. The piston rod assembly includes a first rod having first and second regions, wherein the first region has a hole transversely aligned relative to the longitudinal axis of the first rod... | 04/21/1998 |
| 5676104 | Stepped piston for a motor, pump or compressor The piston is composed of three independent elements including a lower element 3 which bears in a housing 4 a gasket segment 5, an intermediate element 2 secured to the lower element 3 so as to retain the segment 5, and a piston head 1 secured to the lowe... | 10/14/1997 |
| 5626072 | Piston assembly for use with a bicycle operated air pump An air pump for use with a chain-driven bicycle having a free wheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot, which engages a crank pin on a crankshaft d... | 05/06/1997 |
| 5372488 | Oil well pump with radially expandable interlocking seal ring Improvements in a downhole submerged pump assembly having a plunger formed of a cast or machined cylindrical member includes seal ring grooves capable of receiving flat metallic seal rings formed of a plurality of segments which are interlocked in a manne... | 12/13/1994 |
| 5313875 | Piston with support member and bearing A piston for an internal combustion engine has a crown and peripheral wall to carry a piston ring. A support extends between the wall and a bearing housing to receive the connecting rod. A cylindrical support member also extends from the wall around the s... | 05/24/1994 |
| 5076150 | Piston assembly with wear resistant piston ring lands The Assembly comprises a piston body having a longitudinal axis to which are added, in interlayered fashion, separate, piston-ring lands and spacers. In one embodiment, a pair of rider rings are coupled to the piston body, in spaced apart locations, to gu... | 12/31/1991 |
| 5052275 | Horizontal reciprocating compressor with an eccentrically adjustable piston therein The horizontal reciprocating compressor is provided with a cylinder, piston and piston rod connected to the piston. An eccentric ring is mounted eccentrically within the piston and rotatably receives the piston rod. Rotation of the eccentric ring from tim... | 10/01/1991 |
| 4981070 | Multi-part piston for servomotor A servomotor is actuated by a pressure medium and has a piston reciprocated in the cylinder, the piston being mounted by a piston rod that extends through a cylinder end wall. The piston has a piston member bearing against the cylinder and is mounted for ... | 01/01/1991 |
| 4955284 | Piston having ceramic parts A piston has a first endwall, a second endwall and a tubular ceramic sidewall extending between and forming a closed cylinder with the endwalls. The piston does not include a piston ring. The first endwall is substantially flexible and is releasably inter... | 09/11/1990 |
| 4926745 | Pull rod assembly A pull rod assembly comprising a pull rod having three peripheral grooves, a piston device including an adaptor ring and a seal ring, said piston device being mounted on the pull rod by a split ring retainer situated in one groove and extending into an in... | 05/22/1990 |
| 4759266 | Multiple part oil-control ring for piston An oil control ring for a piston in an i.c. engine comprising an expander ring and two lamellar rails which scrape the oil from the cylinder wall. The expander ring has two series of lugs arranged alternately on each side, which support the rails and two ... | 07/26/1988 |
| 4751871 | Multisectional piston with plural ceramic parts and rigidly connected piston rod for use in horizontally opposed piston internal combustion engine A multisectional piston for opposed-piston, slider-crank-drive internal combustion engines. The piston has a ceramic skirt (1), a skirt head (2), and a ceramic piston head (3) with fire land (4). The ceramic piston head is provided with annular groove (6)... | 06/21/1988 |
| 4630958 | Attaching coaxially a member or fitting with a bore therethrough to a shaft A connection between a first member (e.g. a piston rod) and a bore in a second member (e.g. a piston) which is formed by two spaced grooves on the first member at least one of which is in register with one of two spaced steps in the bore, and a compressio... | 12/23/1986 |
| 4484831 | Pipe or tube assembly utilizing a differential screw Sections of hollow tubular pipe are joined together by one or more differentially threaded, axially mounted screw which threadedly engages internal radial flanges at the end portions of the adjacent pipes, an extension socket rotates the internal screw or... | 11/27/1984 |
| 4475883 | Pressure control for steam generator A steam generator including a combustion chamber having fuel and air inlets at the upstream end and a water inlet at the downstream end to inject water into the flue gas, a vaporizer in communication with the downstream end of the combustor and a pressure... | 10/09/1984 |
| 4428275 | Device for connecting a plunger at its crank end to a connecting rod An improved device is disclosed for connecting a plunger to a connecting rod of the type having a crosshead connected to the connecting rod, the crosshead having a coupling element with a flange and a coupling nut mounted to the flange. The coupling eleme... | 01/31/1984 |
| 4208953 | Plunger for compressors A plunger comprises a carrier and a hollow sleeve portion extending around a portion of the carrier. The sleeve portion rests between longitudinally spaced radial shoulders of the carrier. A portion of the carrier disposed within the sleeve is radially sp... | 06/24/1980 |
| 4171665 | Piston, especially for a pneumatic cylinder A piston, especially for a pneumatic cylinder, includes a disc-shaped piston head and a sealing element on the head, such element has at least one annular sealing lip extending outwardly of the peripheral sliding surface of the head, the sealing lip being... | 10/23/1979 |
| 4073221 | Light-weight piston assemblies An improved piston assembly including a generally cylindrical piston body having a crown and a depending skirt and being formed of a light-weight metal, an annular ring groove protection band formed of a hard metal disposed about the body adjacent the cro... | 02/14/1978 |
| 4004499 | Bolt-on piston assembly A bolt-on piston assembly wherein two piston pieces are clamped onto the rod which has an integral radial projection thereon for axially restricting the piston pieces disposed on axially opposite sides of the projection. A plurality of bolts extend into t... | 01/25/1977 |
| 3999467 | Piston cylinder assembly A piston-cylinder assembly having a circumferential groove around the piston near the end of the piston facing the cylinder chamber, a cuff around the piston at a location more remote from said chamber from the groove, a guide ring mounted in the groove f... | 12/28/1976 |
| 3968737 | Disjoinable assembly designed for connecting of piston with piston rod in engines and machines, particularly suitable for use in compressors A disjoinable assembly designed for connecting of piston with piston rod in ngines and machines, this assembly being particularly suitable for use in compressors, includes an insert [4] and a bolt connector [3] mounted in the said insert, said connector co... | 07/13/1976 |
| 3947158 | Oil well pump with resilient plunger cup means An oil well subsurface pump comprising a plunger reciprocally disposed within a working barrel and having check valve means carried thereby, metallic ring means provided on the outer periphery of the plunger for engaging the inner periphery of the working... | 03/30/1976 |
