Patents Issued in April 20, 2004
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Patent number: 6722222Abstract: Corkscrew machine including rotatable spiral radius pinion gear mechanically coupled to annular collar and engages inclined gear rack to translate driver up and down carrying freely rotating, helical corkscrew. Crank rotates spiral radius pinion gear to translate driver up and down relative to collar along rotation axis of corkscrew with mechanical advantage increasing as driver approaches collar. A non-rotating collar cam coupled to, translated relative to, driver, receives and follows helix of corkscrew to impart torque rotating the corkscrew when held stationary within annular collar responsive to translation of driver toward and away from annular collar. Biased, releasable collar latch captures and holds collar cam at stationary position within annular collar releasing it to translate upward with driver upon an upward cork pulling stroke of driver relative to collar when bottle is held within annular collar.Type: GrantFiled: January 14, 2002Date of Patent: April 20, 2004Assignee: Williams-Sonoma, Inc.Inventors: Michael J. Dolan, Dominic P. Symons, Sung Kim, Diego G. Andina, Gianpiero Tonetti
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Patent number: 6722223Abstract: A ball screw which is little subject to deterioration of operating characteristics and occurrence of wear, torque change, noise, vibration, etc. during operation due to stagnation or competition of balls. The ball screw includes a screw shaft having a helical thread groove formed on the outer surface thereof and a nut having a thread groove formed on the inner surface thereof corresponding to the thread groove on the screw shaft which engages with the screw shaft with the interposition of a number of balls rollably provided in a helical ball rolling path formed between the two thread grooves, wherein the variation of the total of the gap between the balls during the rolling of the balls is smaller than {fraction (1/20)} of the diameter of the ball.Type: GrantFiled: February 5, 2002Date of Patent: April 20, 2004Assignee: NSK Ltd.Inventors: Toru Kanda, Daisuke Maruyama, Hitoshi Sannomiya
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Patent number: 6722224Abstract: A joystick for manually operating a pair of hydraulic valve members has a bracket to which a handle is attached. A pivot shaft rotationally extends between a pair of legs of the bracket and has a transverse aperture through which a pivot pin attaches the pivot shaft to a base of the joystick. This attachment structure allows the bracket to pivot with respect to the base about two orthogonal axes. A first link for coupling to one hydraulic valve member is pivotally attached to the pivot shaft, while a second link for coupling to another hydraulic valve member is attached by a ball joint to the bracket.Type: GrantFiled: January 7, 2002Date of Patent: April 20, 2004Assignee: Husco International, Inc.Inventor: Robert Scott Nordstrom
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Patent number: 6722225Abstract: A pedal lever (2) for actuation with the foot is connected to an actuating element (18) by a spring element (12) in such a manner that an actuating force is introduced directly or by a component (13), but the restoring force introduced into the pedal lever (2) by a restoring spring element (6) is transmitted only up to a maximum permitted value. As soon as this value is exceeded, the spring element (12) absorbs the force exceeding it. As a result, the actuating element (18) is protected against damage caused by excessive introduction of force during the restoring movement.Type: GrantFiled: November 14, 2000Date of Patent: April 20, 2004Assignee: Mannesmann VDO AGInventor: Jan Martinovsky
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Patent number: 6722226Abstract: A locationally adjustable actuator is provided having a force input to a rod operatively associated with an automotive vehicle control. The actuator includes two parallelogram linkages which link an actuator pedal to a rod link which is pivotally connected with a rod which provides an automotive vehicle control input. The parallelogram arrangement is furthermore connected with a slider which is linearly adjustable with respect to the vehicle. Movement of the slider causes the actuator pedal to be linearly adjusted.Type: GrantFiled: September 24, 2001Date of Patent: April 20, 2004Assignee: DaimlerChrysler CorporationInventors: Dorinel Neag, Daniel W Husted, James P Salva, Stylianos A Meidanis, Thomas R Carbone, Victor Johnson
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Patent number: 6722227Abstract: A horn actuating device for a steering wheel has a plurality of helical springs that return an airbag module to a raised resting position. Each helical spring has a free upper end that moves with the airbag module that also acts as a mobile electrical contact cooperating with the fixed electrical contact to bring about actuation of the horn.Type: GrantFiled: April 19, 2002Date of Patent: April 20, 2004Assignee: Key Safety Systems, Inc.Inventors: Massimo Rabagliano, Adolfo Ridolfi, Roberto Ridolfi, Luciano Verda
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Patent number: 6722228Abstract: An apparatus and method for the manufacture of composite flywheels. The apparatus includes an inner cylinder, an outer cylinder, a fiber feeding device and a knitting device. The fiber feeding device includes a set of conical feed rollers for feeding hoop fibers to the cylinders. The knitting device employs a circular knitting machine fitted with a radial fiber guide for feeding the radial fibers to the cylinders. The apparatus also includes structure for raising and lowering the needles of the knitting machine at the proper times to effectively feed the radial fibers to the cylinders. The fiber feeding device and knitting device interact to provide layers of hoop and radial fibers to the cylinders to form a flywheel pre-form including a combination of radial and hoop fibers without introducing crimp into the fibers.Type: GrantFiled: December 28, 2001Date of Patent: April 20, 2004Inventors: Curt Wilkinson, Joseph Francis Celotto
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Patent number: 6722229Abstract: A bicycle pedal assembly includes a pedal and a cleat. The pedal includes a body that rotates about a shaft. Front and rear clamping member are coupled to opposite ends of the pedal body. Each of the clamping members has an engagement surface facing in a first direction. The cleat has front and rear attachment portions that are selectively engageable with the pedal via the front and rear clamping members. Specifically, the front and rear attachment portions have front and rear offset coupling surfaces engageable with the front and rear engagement surfaces. The pedal and the cleat are configured to form a rear float pivot axis on a rear side of a center rotation axis of the pedal and a front cleat release pivot axis on a front side of the center rotation axis.Type: GrantFiled: February 27, 2002Date of Patent: April 20, 2004Assignee: Shimano Inc.Inventor: Tsutomu Muraoka
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Patent number: 6722230Abstract: Disclosed is a power transmission apparatus of motor vehicles which has an engine and an electric rotary machine. The power transmission apparatus has an engine, a gear change apparatus, an electric rotary machine to which a power is transmitted via the gear change apparatus, and a clutch provided between an input shaft and an output shaft of the gear change apparatus and adjusting a transmission torque between the input shaft and the output shaft, whereby a speed change shock can be mechanically reduced.Type: GrantFiled: February 2, 2001Date of Patent: April 20, 2004Assignee: Hitachi, Ltd.Inventors: Hiroshi Sakamoto, Toshimichi Minowa, Mitsuo Kayano
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Patent number: 6722231Abstract: A pipe making and breaking apparatus having top, middle and bottom wrenches connected to a frame. A torquing cylinder operatively extends between the middle wrench and the frame and when actuated through one or more torquing cycles causes an upper pipe to make (top and middle wrenches) or break (middle and bottom wrenches) relative to a lower pipe. A grip hold actuator maintains the middle wrench in the gripping position continuously during the making torquing cycles. A continuous chain spinner above the top wrench spins the top pipe to make a position or away from a make position. The spinner can be a stand alone unit or can hang freely in the derrick or can be part of the make/break apparatus. A spinner drive chain motor when pressurized and when an oiler button is actuated causes lubricant to be sprayed out a nozzle on the (moving) chain. Windows (guide gates) and/or guide posts direct the chain so as to not bunch up against the casing sprockets.Type: GrantFiled: March 19, 2002Date of Patent: April 20, 2004Assignee: Hawk Industries, Inc.Inventors: Thomas D Hauk, Raul Hector Perez
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Patent number: 6722232Abstract: A manually-powered drive device includes a drive train substantially disposed in a hollow housing. A laterally sliding transmission shaft extending laterally in an intermediate frame portion of the housing includes first and second circumferential recesses. A transmission selector spring flexes and removably slidably couples within the first circumferential recess or the second circumferential recess as the transmission shaft laterally slides between alternate positions, thereby selecting the desired rotational direction for manipulating fasteners. Another manually-powered drive device includes a first drive assembly extending coaxially in the barrel portion of the housing and a second drive assembly extending in the intermediate frame portion of the housing between any acute angle and any obtuse angle to the first drive assembly.Type: GrantFiled: August 1, 2002Date of Patent: April 20, 2004Assignee: CRT Enterprises, Inc.Inventor: Kevin D. Day
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Patent number: 6722233Abstract: A ratchet tool includes a passage defined through the head of the tool and communicating with an interior of the head. A driving member is received in the head and is pivotally connected to a pawl which is engaged with a toothed member in the head. A first engaging member is located on the driving member and a bar movably extends through the passage. The bar has a second engaging member which is engaged with the first engaging member. The pawl is pivoted by pushing the bar.Type: GrantFiled: March 21, 2001Date of Patent: April 20, 2004Inventor: Liao I-He
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Patent number: 6722234Abstract: A wrench comprises a handle and a head extended from the handle. A web is defined between the handle and the head. The head includes a compartment in which a drive member is rotatably received. The web includes a transverse through-hole having an intermediate portion communicated with the compartment. A cavity is defined in the web and communicated with the transverse through-hole. A switch member is mounted in the cavity and rotatable relative to the handle between two positions corresponding to two opposite ratcheting directions of the handle. A pawl is slidably mounted in the transverse through-hole for engaging with the drive member. The pawl remains in the transverse through-hole during operation. A pin and a coil spring are provided to retain the pawl in place.Type: GrantFiled: June 25, 2001Date of Patent: April 20, 2004Inventor: Bobby Hu
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Patent number: 6722235Abstract: A torque wrench has a shank, an arm, a torque-adjusting device, a handle and an adjusting knob. The handle is mounted around one end of the shank and has a mouth. A window is defined in the periphery of the mouth. The adjusting knob is rotatably attached to the shank. A stepped protrusion formed on the adjusting knob is connected to the torque-adjusting device and is received in the mouth. A scale is formed on the outer periphery of the stepped protrusion and corresponds to the window. An index line is formed on the handle and corresponds to the scale. Accordingly, the scale can be easily read through the window with the index line. The mouth can provide a protecting effect to the scale to keep the scale from being worn off, such that the useful life of the torque wrench is prolonged.Type: GrantFiled: February 25, 2002Date of Patent: April 20, 2004Inventor: Chih-Ching Hsieh
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Patent number: 6722236Abstract: A rotary indexing machine has a fixed machine frame, which is designed for holding a multiplicity of machining units and includes at least one support. The rotary indexing machine has a rotary table rotatable relative to the machine frame about a vertical indexing axis to be arranged on the rotary table The support is designed for the lateral attachment of at least one of the machining units to create free space for machining. The machine frame has high rigidity and stability, a large free space for machining workpieces being created at the same time in the region of the rotary table, and good accessibility of satellites. The indexing devices and the rotary table ensure adjustment or setting-up of the machine.Type: GrantFiled: October 18, 2000Date of Patent: April 20, 2004Inventors: Guido Baldini, Thomas Treib
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Patent number: 6722237Abstract: A trim press article handling apparatus includes a punch plate, a die plate, a plunger, and a receiver. The punch plate has a punch, and the die plate has a die cooperating in relative movement with the punch plate to sever articles from a thermoformable web. The plunger is carried by one of the punch plate and the die plate having a tapered advancing head. The receiver is carried by the other of the punch plate and the die plate having a tapered recess configured to receive the plunger. A tapered article locator provided within a thermoformed web also having articles therein is captured between the plunger and the receiver as the punch plate and die plate are brought together there about, thereby imparting alignment of an article in the web between the punch and the die. A method for aligning and severing articles from a web is also provided.Type: GrantFiled: July 22, 2002Date of Patent: April 20, 2004Inventor: Jere F. Irwin
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Patent number: 6722238Abstract: A paper feeding device and method, wherein a tray including a paper loading unit, a paper feeding device, a paper cutting device is slid out of a main body of an image forming apparatus. When a new rolled transfer paper is loaded in the paper loading unit, the rolled transfer paper is conveyed so that a tip portion thereof is discharged from a rolled transfer paper outlet of the tray. The discharged tip portion of the rolled transfer paper is cut by the paper cutting device.Type: GrantFiled: April 20, 2001Date of Patent: April 20, 2004Assignee: Ricoh Company, Ltd.Inventor: Takahiro Shinga
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Patent number: 6722239Abstract: A scroll sawing machine includes a motor mounted under a table of a machine base, and a saw blade driven by a first output shaft of the motor to reciprocate in an upright direction. First and second sawdust collecting members respectively have first and second intake ports which are respectively disposed above and under the table in the vicinity of the blade so as to collect sawdust scattering around the blade and falling through a hole in the table. A blowing member includes a drive shaft coupled to and driven by a second output shaft of the motor for rotating an impeller for drawing the sawdust from the collecting members into the blowing member for discharge through a discharge port.Type: GrantFiled: July 9, 2002Date of Patent: April 20, 2004Inventors: Juei-Seng Liao, Pei-Lieh Chiang
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Patent number: 6722240Abstract: A device for destroying signals stored on compact disk includes a base, a punching pin, and a push lever. The base has a top stub for engaging with a central hole of a compact disk positioned on the base, a through hole corresponding to a Start Lead In (SLD) area on the compact disk, and an L-shaped arm portion holding a spring mechanism. The punching pin is vertically movably mounted in the spring mechanism and aligned with the SLD area, and the push lever is pivotally connected at an end to one side of the arm portion for pushing against an upper end of the punching pin. When the push lever is pivotally pushed downward, the punching pin is driven downward to punch a hole on the SLD area and ruin lead-in signals recorded thereon, preventing data stored on the compact disk from being read and disclosed.Type: GrantFiled: June 11, 2003Date of Patent: April 20, 2004Assignee: Taiwan Bor Ying CorporationInventor: Jin-Sheng Weng
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Patent number: 6722241Abstract: The combination cutting board and slicing brace is a device designed to satisfy two needs that coexist in the food preparation process. One of these needs is a device designed to safely hold food product while it is being sliced. The other of these needs is a surface for additional types of cutting such as chopping or dicing. The present invention consists of a unique structure that does not exist in the prior art and addresses the structural and utilitarian deficiencies of these earlier designs. None of the designs in the prior art provide this unique combination of uses. The structure of the present invention also incorporates a uniquely designed sliding arm that can be incorporated within said cutting surface while controlling the bracing device, thus producing a streamlined homogenous unit that can be stored and cleaned easily.Type: GrantFiled: May 28, 2002Date of Patent: April 20, 2004Inventor: Gil Anayas
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Patent number: 6722242Abstract: A transmission device of a table saw includes a motor and an elevating member provided on a base. A first belt is connected around the belt pulley on the front end of the motor and around a transfer member, and a second belt connected around the transfer member and around the belt pulley of a circular saw blade. The first and the second belts are activated to rotate and carry on transmission at fixed positions so as to improve the defect of a conventional device that the belt may become loose or over tight when the saw blade of the table sawing machine is moving up or down.Type: GrantFiled: December 5, 2001Date of Patent: April 20, 2004Inventor: Bor Yann Chuang
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Patent number: 6722243Abstract: A rotating cutting cylinder and an opposing member, wherein the cutting cylinder is fitted with a plurality of blade segments distributed along the length of the cutting cylinder and connected to one or more actuators for producing a movement of selective extension and retraction of said blade segments with respect to said cutting cylinder.Type: GrantFiled: November 20, 2002Date of Patent: April 20, 2004Assignee: Fosber S.p.A.Inventor: Mauro Adami
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Patent number: 6722244Abstract: A cutting mechanism for sheet-like conveyed material comprising: a unit provided across the transfer path for conveying the long sheet-like conveyed material in a lengthwise direction; a movable member provided in the unit for moving forward and backward along a crosswise direction of the transfer path; and a blade mounted on the movable member for cutting the sheet-like conveyed material widthwisely thereof as the movable member is moved.Type: GrantFiled: July 27, 2000Date of Patent: April 20, 2004Assignee: Noritsu Koki Co., Ltd.Inventors: Yoshihisa Higashimoto, Hiroto Nakao, Junichi Yamamoto
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Patent number: 6722245Abstract: There will be provided a punching unit capable of reliably drawing a punch out of the workpiece, improving the productivity and without deteriorating the boring precision even for a workpiece which easily spreads, and preventing leavings rising. A stripper plates which has been positioned close to the workpiece in accordance with the thickness thereof does not press the workpiece, but draws the punch during rising out of the workpiece to transmit the striking driving force of the electric motor to the movable die holding the punch. In an air path portion arranged within the machine frame, there is provided means for opening or closing through an electric signal and the air path between the air ejecting unit and the means is made shorter, whereby the response to air ejection is improved, the pressure loss during air flow is reduced to a minimum, and jet air is accurately applied to punching chips (leavings) which adhere to the punch at the bottom dead center for peeling off the punch.Type: GrantFiled: January 14, 2002Date of Patent: April 20, 2004Assignee: UHT CorporationInventors: Hisashi Yasoda, Yoshikazu Muramatsu
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Patent number: 6722246Abstract: The invention is a cylinder cover engageable with a channel. The cylinder cover includes a flexible blanket with two ends, the ends configured to substantially abut when the blanket is circularly wrapped. Further, the cylinder cover includes a female member attached to the first end of the blanket, the female member having a leg connected with and opposing a resilient engaging element by a base member. The resilient engaging element is configured to frictionally engage a sidewall of the channel. Attached to the second end of the blanket is a substantially rigid male member. When engaged with the channel, the blanket is substantially continually supported by a rigid substrate.Type: GrantFiled: January 5, 2001Date of Patent: April 20, 2004Assignee: C.U.E., Inc.Inventor: Joseph A. Porcella
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Patent number: 6722247Abstract: A device for suspending one end of a saw blade (28) in a first arm (14) of a parallelogram-jigsaw, having a second arm (18) parallel to the first arm and having a a saw blade clamp (38) mounted pivotably with respect to the first arm (14). A third arm (36) is provided parallel to the first arm (14) as positive guide and pivotably mounted, of which the length can be slightly extended or reduced in the longitudinal direction under load. The saw blade clamp (38) is mounted pivotably on the ends of the respective first arm (14) and third arm (36) which ends are opposite the rotation axis (12, 43).Type: GrantFiled: November 7, 2001Date of Patent: April 20, 2004Inventor: Helmut Abel
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Patent number: 6722248Abstract: A bi-directional cutting band mill apparatus utilizes two band saws mounted on a carriage for cutting horizontal sections from logs through successive back and forth passes across each log as the carriage reciprocates on a lower frame wherein a section of the log is cut with one band saw in one pass and then a next section of the lumber is cut by the other band saw as the carriage travels in the opposite direction in the following pass. The bi-directional cutting band mill apparatus includes structural elements that allow for the coincident raising and lowering of both band saws and structural elements that provide for the sequential and incremental adjustment of each band saw preparatory for cutting the sections from the log so that each respective band saw can be positioned for making the appropriate depth of cut through the section of the log during that respective pass of the respective band saw.Type: GrantFiled: February 12, 2003Date of Patent: April 20, 2004Inventor: Dwight H. Johnston, Sr.
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Patent number: 6722249Abstract: A method of fabricating a polishing pad in which a pad material includes a polishing layer overlying a substantially optically transparent backing layer is subjected to a process in which an optical window is formed in the pad material by removing a portion of the polishing layer and exposing an underlying portion of the substantially optically transparent backing layer. Prior to forming the optical window, the polishing layer is bonded to the backing layer to form a sealed interface, then a portion of the polishing layer is mechanically cut away from the backing layers. Since the backing layer is not pierced during the removal process, a liquid, such as an aqueous polishing slurry, cannot leak through the optical window and on to underlying portions of a polishing apparatus to which the pad material is mounted.Type: GrantFiled: November 6, 2001Date of Patent: April 20, 2004Assignee: Rodel Holdings, INCInventor: Kyle W. David
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Patent number: 6722250Abstract: To shorten the processing time in modern plants for cutting away pieces or sections from a continously moving endless material, e.g. a glass strip, one after the other by flying cutting the cutting bridge carrying the cutting device (6) is accelerated until at a speed within a predetermined tolerance range of the feed speed of the continuously running endless material. Then the cutting bridge speed is synchronized for each piece or section to be cutaway and the cutting away of each piece or section takes place after the synchronization. To attain a very high precision cutting the spacing of the front cut edge formed when the previous piece or section is cut away from the cutting device is measured by means of an image-taking device (7) prior to cutting away of the next piece or section. Then the measured spacing is compared with a set value for the spacing and the speed of the cutting bridge is synchronized or fine tuned according to the comparison prior to cutting away the next piece or section.Type: GrantFiled: January 4, 2001Date of Patent: April 20, 2004Assignee: Schott Spezialglas GmbHInventors: Johannes Wagner, Ruediger Hepp, Holger Wegener, Helmut Larm, Dirk Hauer, Heinz-Georg Geissler
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Patent number: 6722251Abstract: A method and apparatus for placement of continuous pre-split, gel explosive in an elongated borehole or cavity. An anchor is attached to one end of a selected length of continuous gel explosive. A suitable anchor is a flexible, plastic “pilgrim's hat” with a hole in the narrow, closed end. The size of the anchor depends on the width of the borehole; the flared skirt should be narrow enough to permit insertion of the anchor into the hole but wide enough to resist removal. One end of the explosive charge is pressed through the hole in the anchor. The remainder of the length of explosive is placed inside a tubular member, such as PVC pipe. The loaded pipe then is inserted into the borehole or cavity with the anchor leading. The pipe is used to push the anchor back into the hole to the desired depth. Then, the pipe is withdrawn. The flexible skirt on the anchor engages the sidewall of the borehole and thus resists removal with the pipe.Type: GrantFiled: October 31, 2002Date of Patent: April 20, 2004Assignee: UTeC Corporation, L.L.C.Inventors: Paul S. Keeling, Brian F. Loader
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Patent number: 6722252Abstract: A weapon comprising a transportable pod having a plurality of barrel assemblies (10) of the type including a plurality of projectiles (11) arranged in-line within barrel (12). Each projectile (11) is associated with a discrete, selectively ignitable propellant charge (13) for propelling each projectile (11) sequentially through the muzzle of the barrel (12). Each projectile (11) includes projectile body (22) which matter or objects may be transported. Projectiles (11) are arranged with one another and barrel (12) so as to prevent rearward travel of an ignited propellant charge to the trailing propellant charge. The pod can include a direction control means for selectively varying the relative alignment between barrel assembles (10) so as to selectively vary the relative delivered position of projectile (11) fired from different barrels (12). The weapon may be used for military or civilian applications.Type: GrantFiled: February 26, 2002Date of Patent: April 20, 2004Assignee: Metal Storm LimitedInventor: James Michael O'Dwyer
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Patent number: 6722253Abstract: An extender for a bolt catch release lever on a bolt catch operating lever of a firearm equipped with a protective spare magazine carrier for holding a loaded spare magazine in a position of readiness for immediate insertion into operative engagement with that firearm, and an integrated bolt catch and extended catch release lever. The extended bolt catch release lever places an engagement contact face of an outer end in a position accessible for easy operation of the bolt catch release mechanism of a rifle when the spare magazine carrier is in place.Type: GrantFiled: May 10, 2002Date of Patent: April 20, 2004Inventor: David A. Johnson
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Patent number: 6722254Abstract: A muzzle brake for use with a gun includes a cylindrically shaped hollow body having internal threads adjacent the rear end for threadedly attaching the body to the muzzle of the gun adjacent the bore coaxially along a longitudinal axis of the barrel. The body defines an axially extending internal chamber with a flat transverse wall adjacent the forward end. Longitudinally extending, helically shaped slots are formed through the body and in communication with the internal chamber. The slots are equally distributed about the body, and each of the slots has a forward end that is angled generally toward the rear end from an inner periphery of the body to an outer periphery of the body. Each of the slots is further defined by parallel sidewalls defining an opening with an axis offset (non-intersecting) from the longitudinal axis of the barrel.Type: GrantFiled: November 14, 2001Date of Patent: April 20, 2004Inventor: Robert B. Davies
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Patent number: 6722255Abstract: An apparatus adapted for actuating a bolt carrier group apparatus comprising a piston tube attached to a receiver assembly. An operating rod is disposed in a bore of the piston tube. A piston is engaged with a first end of the operating rod. The operating rod moves from a static position to a displaced position when a combustion gas is exposed to a face of the piston. A bolt carrier including a bolt carrier lug is disposed in a bolt carrier lug channel of an upper receiver body. A tappet rod is engaged with the bolt carrier lug. The tappet rod moves substantially in unison with the operating rod. A yoke is attached to the tappet rod and to the operating rod. The yoke is mounted movably on the piston tube. An adjustable pressure regulator is coupled to the piston tube for regulating discharge of the combustion gas therethrough.Type: GrantFiled: November 21, 2002Date of Patent: April 20, 2004Inventor: Geoffrey A. Herring
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Patent number: 6722256Abstract: A reduced icing valve for an gas-driven motor and a reciprocating double diaphragm pump is provided having a shiftable valve for alternatively supplying a motive gas through first and second supply ports to opposed first and second power pistons in opposed motive gas chambers, respectively, and for effecting alternating exhaust of the chambers. The shiftable valve is provided with an insert that deflects, away from the shiftable valve, air entering from each of the bypass valves until the bypass valves are fully actuated by the exhaust gas from the motive gas chambers. The shiftable valve is further provided with bypass valves independent of and intermediate the shiftable valve and each of the first and second motive gas chambers for bypassing the shiftable valve by exhaust gas from the motive gas chambers. The bypass valves are further actuated in an opposing direction by a supply source of motive gas to the chambers.Type: GrantFiled: September 12, 2002Date of Patent: April 20, 2004Assignee: Ingersoll-Rand CompanyInventors: Charles O. Roberts, Michael Conti, Nicholas Kozumplik, Jr., Gordon M. Schroeder
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Patent number: 6722257Abstract: At a step of pressurizing a workpiece after reducing a speed of a piston rod at an end of a forward stroke of the piston rod by restrictively allowing compressed air to flow out of an exhaust-side pressure chamber, operation of a rapid exhaust valve is triggered by reduction of internal pressure of the exhaust-side pressure chamber to lower pressure than internal pressure of a pressurizing-side pressure chamber to thereby directly open the exhaust-side pressure chamber into the atmosphere through the rapid exhaust valve and rapidly reduce back pressure of a main piston remaining in the exhaust-side pressure chamber.Type: GrantFiled: January 4, 2002Date of Patent: April 20, 2004Assignee: SMC CorporationInventors: Seikai Yoh, Kouichiro Ishibashi, Hitoshi Yamamoto, Nobuhiro Fujiwara
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Patent number: 6722258Abstract: A joystick controller is provided in a hydraulic circuit having a pair of hydraulic actuators and oriented with respect to the operator so that movement of a control lever of the joystick controller relative to a reference axis oriented perpendicular to the operator results in control signals being generated and delivered to the first and second main control valves so that the respective cylinders are moved in a direction that is intuitive to the operator. For example, forward movement of the control lever results in both hydraulic actuators moving in the same forward or downward direction and movement of the control lever rearwardly results in both actuators moving in the rearward or upward direction. Likewise, movement of the control lever along an axis that is oriented forty five degrees from the reference axis results in control of one of the actuators independent of the other one.Type: GrantFiled: February 19, 2003Date of Patent: April 20, 2004Assignee: Caterpillar IncInventor: Thomas J. Hajek, Jr.
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Patent number: 6722259Abstract: Downsizing a piston stroke dimension in a compressor that reciprocates pistons is accomplished by changing a radial directional component of a shaft of a motion that is transferred to a link from a revolving member revolved by the shaft when transferred to the link attached to the pistons. Thereby, when the revolving member, driven by a shaft, revolves once, a center of a sliding pin appears to reciprocate once in a vertical direction as it goes back and forth on both sides interposing a piston axial line. Thus, when the revolving member revolves once, the piston reciprocates twice in a cylinder bore in a direction parallel to the longitudinal direction of the driving shaft.Type: GrantFiled: December 13, 2001Date of Patent: April 20, 2004Assignee: Denso CorporationInventors: Shigeru Hisanaga, Motohiko Ueda, Mikio Matsuda
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Patent number: 6722260Abstract: A piston position in a cylinder of a hydraulic assembly is measured using microwave pulses. The microwave pulses are launched along a conductor coupled to the piston or cylinder. A sliding member is slidably coupled to the conductor and moves with the piston or cylinder. Position is determined as a function of a reflection from the end of the conductor and the sliding member.Type: GrantFiled: December 11, 2002Date of Patent: April 20, 2004Assignee: Rosemount Inc.Inventor: Gregory C. Brown
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Patent number: 6722261Abstract: A piston position in a cylinder of a hydraulic assembly is measured using microwave pulses. The microwave pulses are launched along a conductor coupled to the piston or cylinder. A sliding member is slidably coupled to the conductor and moves with the piston or cylinder. Position is determined as a function of a reflection from the end of the conductor and the sliding member. Various aspects include signal processing, fudicial pulse identification control and input/output circuitry, and a three conductor configuration.Type: GrantFiled: December 11, 2002Date of Patent: April 20, 2004Assignee: Rosemount Inc.Inventors: Gregory C. Brown, James A. Johnson, Eric R. Lovegren
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Patent number: 6722262Abstract: A diaphragm assembly for use in pneumatic actuators uses two or more diaphragms, one nested inside of the other. Each of the diaphragms, when shaped, includes a fabric pattern. The fabric patterns on each of the diaphragms are aligned one with another upon installation into a pneumatic actuator.Type: GrantFiled: September 19, 2002Date of Patent: April 20, 2004Assignee: Honeywell International, Inc.Inventors: Larry K. Ball, Betty Kocsis, John N. Tervo
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Patent number: 6722263Abstract: The aim of the invention is to provide an easy fastening of a tubular supply or a vertical pipe in a bottom covering of a cooling chamber for pistons of internal combustion engines, e.g. in a circular covering of a cooling channel of an articulated-skirt piston. To this end, the vertical tube or the tubular supply is clipped into the bottom covering or is fastened thereto by a detent connection.Type: GrantFiled: June 14, 2002Date of Patent: April 20, 2004Assignee: Mahle GmbHInventors: Klaus Keller, Peter Kemnitz, Roland Lochmann
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Patent number: 6722264Abstract: The present invention is composed of a drink extraction portion, a drink container for storing drink extracted by the drink extraction portion, a heat retention chamber surrounding the drink container, a fan for supplying air to the heat retention chamber for air circulation, and a heater for heating air supplied to the heat retention chamber by the fan to make warm air, the warm air heating the drink container to keep drink therein warm.Type: GrantFiled: April 24, 2002Date of Patent: April 20, 2004Assignees: Zojirushi Corporation, Lucky Coffee Machine Co., Ltd.Inventors: Toyohiko Takatsuki, Kazuhiro Nishikawa, Koji Yamafuji
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Patent number: 6722265Abstract: A method and apparatus for brewing tea is shown which utilizes heated water from a boiler 7 of an espresso machine 10. A porta-filter 20 having a brewing chamber 40 therein is attachable to a group head 12 of the espresso machine 10 such that heated water is directed out of the espresso machine 10 and into the brewing chamber 40. A drain 38 from the brewing chamber 40 leads to an outlet tube 100 which has a lower end 110 discharging a brewed beverage V, such as tea, therefrom. An outlet valve 120 restricts outflow from the brewing chamber to a rate less than inflow of heated water from the boiler 7 so that the heated water is provided with residence time within the brewing chamber 40. This residence time facilitates infusion of the heated water with soluble flavor particles from a brewable substance such as tea leaves T before the heated water is discharged from the brewing chamber 40 in the form of a brewed beverage V.Type: GrantFiled: November 25, 2002Date of Patent: April 20, 2004Assignee: Affinitea Brewing Technologies, Inc.Inventor: Anthony P. Priley
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Patent number: 6722266Abstract: A multipurpose outdoor table is disclosed to include a polygonal table top formed of a polygonal base plate with a polygonal center opening and face slats arranged on the polygonal base plate around the polygonal center opening, and a barbecue grill unit selectively mounted in the polygonal center opening of the tabletop between a first position where the face slats of the barbecue grill unit are disposed in flush with the face slats of the tabletop, and a second position where the barbecue grill of the barbecue grill unit stands at the top side for roasting meat, the barbecue grill unit having a heat-insulating center sleeve adapted to support a parasol.Type: GrantFiled: May 14, 2003Date of Patent: April 20, 2004Inventor: Jim Chi Hsiang Yang
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Patent number: 6722267Abstract: The device comprises a cabinet with atmosphere controlled by refrigeration and/or supply of an inert gas to prevent the deterioration of the foodstuffs. Present in the cabinet is an automatic storage unit with container means for containing the products. The latter are to be fed towards an automatic slicing machine which carries out controlled slicing both as regards the thickness of the slices and as regards the number of slices and the weight of the sliced product. Finally, a delivery unit makes it possible to dispense the products outside the cabinet. Operation of the device is controlled by a unit, which is accessible to the user from outside the cabinet. Said unit is preferably arranged for payment using different paying means.Type: GrantFiled: August 1, 2001Date of Patent: April 20, 2004Assignee: Tenimenti Angelini S.p.A. Divisione Gli SpecialistiInventors: Filippo Ciprietti, Donato Carriero
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Patent number: 6722268Abstract: The device for triturating and extracting juice or pulp from food produce is used in particular in the food preserves industry for triturating and subsequently separating the juice or pulp from fruit or vegetables, in particular in a cold-working process.Type: GrantFiled: June 19, 2003Date of Patent: April 20, 2004Assignee: Rossi & Catelli S.p.A.Inventors: Roberto Catelli, Mario Gozzi
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Patent number: 6722269Abstract: A coconut shredding/grating apparatus for allowing a user to shred and grate a coconut. The coconut shredding/grating apparatus includes a base member including main base portion having top and bottom sides; and also includes a housing being mounted upon the top side of the base member and having front, rear and side walls, and also having a hole being disposed through the front wall; and further includes a coconut shredding assembly including a motor being disposed in the housing and having a motor shaft, and also including a control assembly for energizing and operating the motor, and further including a coconut shredding member being detachably connected to the motor shaft for rotation therewith; and also includes a coconut support assembly including a coconut support member being removably secured upon the base member; and further includes a tray being removably disposed upon the base member for receiving shredded and grated coconut.Type: GrantFiled: April 16, 2003Date of Patent: April 20, 2004Inventor: Rekha A. Kumar
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Patent number: 6722270Abstract: A hydraulic press which is small in the temperature rise of hydraulic oil, which can dispense with a water-cooling cooler, which is compact in size and which can realize energy saving is provided. A pressure receiving area of a high speed descent first cylinder chamber 51 and a pressure receiving area of a high speed ascent second cylinder chamber 52—are set equal to each other, and a closed circuit which ranges from the second cylinder chamber 52 to the first cylinder chamber 51 through a hydraulic passage 31, a hydraulic pump 7 and a hydraulic passage 34 is constituted. Using an alternating current servo motor 6, the number of revolutions of the hydraulic pump 7 in positive and counter directions is controlled to thereby control advancement and regress speeds and pressure of a piston member 54.Type: GrantFiled: November 1, 2002Date of Patent: April 20, 2004Assignee: Nippo Industry Co., Ltd.Inventor: Kunio Koyama
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Patent number: 6722271Abstract: A ceramic decal assembly containing a ceramic substrate, a layer of adhesive contiguous with the substrate, and a ceramic decal contiguous with the layer of adhesive.Type: GrantFiled: February 22, 2002Date of Patent: April 20, 2004Assignee: International Imaging Materials Inc.Inventors: Pamela A. Geddes, Barry J. Briggs, Daniel J. Harrison