| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 029252000 | Having fluid operator | 24 |
| 20080244886 | APPARATUS FOR URGING AN OIL FILM BEARING ONTO AND OFF OF A ROLL NECK IN A ROLLING MILL - An apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill comprises an annular hydraulically actuated piston/cylinder unit mounted on a cylindrical section of the roll neck. The cylindrical neck section is delimited at one end by a circular shoulder on the roll neck, and at the opposite end by a circular groove in the roll neck. A retaining ring has lock arms pivotally movable into seated positions in the groove. The piston/cylinder unit is operable in a first mode in an abutting relationship with the lock arms to urge the bearing onto the roll neck, and is operative in a second mode in an abutting relationship with the shoulder to urge the bearing off of the roll neck. The piston/cylinder unit and the lock arms having complimentary tapered surfaces arranged to coact in urging the lock arms inwardly into their seated positions in response to the abutment of the piston/cylinder unit with the lock arms. | 10-09-2008 |
| 20090019679 | Tool - A tool for mounting a chisel on a chisel holder, having an actuating member, which has a push-off section, wherein the actuating member can be displaced along a displacement direction. It is possible to simplify changing the chisel if the actuating member can be shifted by an actuating unit. The actuating unit has a draw-in section, which is spaced apart from the push-off section and is arranged transversely with respect to the displacement direction of the actuating member. The actuating member can be power-operated bidirectionally in the displacement direction by the actuating unit. | 01-22-2009 |
| 20090158570 | Device for removing wheel end components as an assembly on vehicles with ball joints and method for servicing vehicle ball joints - A device for removing a vehicle wheel end assembly includes a base having an upright section; and a hub support movable with respect to the upright section, the hub support having a first section translatable with respect to the upright section, and a hub adaptor pivotally connected to the first section so as to permit the hub adaptor to be angled with respect to the first section. A method for servicing ball joints of a motor vehicle includes jacking the motor vehicle so that a wheel is off the ground; removing a wheel from a wheel hub; removing the wheel end assembly including the wheel hub from the vehicle having ball joints using a device supporting the entire wheel end assembly; and servicing the ball joints of the motor vehicle. | 06-25-2009 |
| 20090172933 | PNEUMATIC CRIMPING TOOL - A crimping tool includes an anvil having a crimping surface containing at least one channel and a clamp having a crimping surface containing at least one channel arranged opposite the anvil crimping surface. The clamp is displaceable between an open position where the clamp is spaced from the anvil and a closed position where the clamp abuts the anvil with the crimping surfaces being arranged in contiguous relation and the channels being arranged opposite each other. A drive mechanism displaces the clamp between the open and closed positions. When a fastener is arranged in the anvil channel and the clamp is displaced to the closed position, the fastener is compressed in the clamp and anvil channels to fasten a fishing line or other element therein. | 07-09-2009 |
| 20100071184 | PRESSING DEVICE - Pressing device for relative axial displacement of two parts arranged coaxially with one another and displaceable towards one another only by means of high pressure, such as, for example, collet chucks or clamping sleeves, into corresponding bores of tool or collet chuck holders. The device has an outer housing which coaxially encompasses the parts to be pressed and is hinged along an axial plane. Insert halves which in each case comprise two fixed plates having engaging edges for engaging one of the parts to be pressed and an axially moveable press plate having an engaging edge for engaging the second part to be pressed can be inserted into the housing. | 03-25-2010 |
| 20100077585 | PNEUMATIC BATTERING RAM AND METHOD THEREFOR - A pneumatic battering ram is disclosed. The battering ram has a housing, a pressurized air tank, a ramming head, and a pivotable ramming edge. Air released from the air tank into the housing forces the ramming head outward against an enclosure to forcibly open it. Where a slug is inserted into the housing, air released from the pressurized air tank into the housing causes the slug to hit the inner surface of the ramming head, forcing it outwardly against the enclosure. | 04-01-2010 |
| 20100095499 | Hydraulic Tool - A hydraulic tool for assembling and disassembling components, such as gear, bearing and etc, of a shaft, is capable of performing external-pulling or internal pulling operation as desired for an object to be assembled or disassembled. The hydraulic tool comprises an oil pressure assembly consisted of a hand-operated pump, an oil storage member, a control valve, an oil pressure tank, a set of external pulling type clamping jaws, internal pulling type clamping jaws, and a bolt for assembling purpose. The hydraulic tool has high mobility, portability and is capable of perforation assembling or disassembling operation at any angle and position, and is considerably enhanced in applicability. | 04-22-2010 |
| 20100125992 | Pulling-Off Device - A device for dismounting the neck bush ( | 05-27-2010 |
| 20100251528 | Puller driving structure - A puller driving structure is connected to a fixing module and a propping module for installing or removing a bearing, and the structure connects a hydraulic driving device with a connecting module, and the connecting module is connected to a plurality of slide rods and a plurality of resilient elements of a position resuming module, such that an actuating element is actuated on each slide rod, and the hydraulic driving device presses and moves the actuating element, and each resilient element presses and props the actuating element in an opposite direction to resume its original position, so as to achieve a better balance during the use of the puller driving structure provides a better concentricity for the bearing and the spindle. | 10-07-2010 |
| 20100281664 | TOOL FOR INSTALLATION OF TUBING IN FLOORING - A tool for installing tubing in channels of floor panels comprises a handle attached to an upper portion of a front frame and a pair of wheels attached to a bottom portion of the front frame, a pneumatic drive, mounted between a front frame spacer and a bearing block, drives a hammer assembly for pushing the tubing into the channels, and a steering block is secured under the bearing block by a bearing assembly which enables the steering block to rotate about a bearing. An upper portion of a rear strut attaches to the bearing block and a pair of wheels attach to the lower portion of the rear strut. The tool quickly and efficiently installs the tubing into the flooring channels as the tool is rolled along the floor panels when an air source is attached to an air coupling on the pneumatic drive. | 11-11-2010 |
| 20110203089 | MANUALLY-OPERATED HYDRAULIC FLANGE SPREADER AND ALIGNER - An hydraulic tool for spreading and aligning flanges that may be used practically at any location where the flange is located, even at places where there is little maneuvering space and does not require a previous opening in order to attack the flange. The tool of the present invention doesn't require peripheral equipments such as hoses and pressure pumps; therefore it is an autonomous tool. | 08-25-2011 |
| 20120180280 | Hydraulically Activated Tension Relief System for Threaded Fasteners - A tension relief system for threaded fasteners comprises a main body housing a piston for generating a clamping load, seals to maintain the hydraulic pressure within the pressure chamber, an external pressure port extending through the body to the pressure chamber and adapted to be connected to an external pressure source, a connector on which the main body may be mounted, and a spring which may be compressed through the relative motion of the piston and the connector. | 07-19-2012 |
| 20130025103 | DEVICE FOR APPLICATION TO METAL MATERIAL EXTRUDING PRESS ASSEMBLIES FOR QUICKLY REPLACING A HEEL ELEMENT AND/OR A SLOTTED TIE-ROD ELEMENT IN THE PRESS ASSEMBLIES - An improved device for application to metal material extruding press assemblies, for quickly replacing a heel element and/or a slotted tie-rod element applied to the press assemblies, characterized in that said device comprises a hydraulic cylinder for driving the slotted tie-rod element and that said heel element supports an auxiliary hydraulic or pneumatic cylinder having a recess for engaging therein a rear end portion of said slotted tie-rod element and that said auxiliary cylinder comprises an auxiliary cylinder pushing piston designed for performing a longitudinal translation and rotary movement thereby allowing said slotted tie-rod element and/or heel element to be assembled and disassembled. | 01-31-2013 |
| 20140290020 | RING SEAL INSTALLATION TOOL - A tool for installing a ring seal within a groove is provided. The groove is disposed within an inner diameter of a flange. The flange has an outer flange portion extended radially outward from the groove. The tool includes a rod and cylinder assembly defining a longitudinal axis along a centerline of a rod of the rod and cylinder assembly. A trigger mechanism is coupled to the rod and cylinder assembly. A flange engagement assembly is attached to the rod and cylinder assembly. The flange engagement assembly includes a main frame having a first end attached to the rod and cylinder assembly and a second end aligned with and extended along the longitudinal axis. A seal installation attachment is removably attachable to the second end of the main frame and structured and arranged to selectively overlay the inner diameter of the flange. | 10-02-2014 |
| 20140338165 | ALIGNMENT TOOL FOR USE IN ALIGNING OPENINGS IN STRUCTURAL MEMBERS - An alignment tool ( | 11-20-2014 |
| 20140373327 | PRESS-FIT ASSEMBLY APPARATUS - A press-fit assembly apparatus for pressing to join two frames includes a base, a moving mechanism, and a rolling-and-pressing device. The base is used for supporting the two frame stacked thereon. The moving mechanism includes a movable mount. The rolling-and-pressing device includes a fixed mount and a roller. The fixed mount is fixed on the movable mount. The roller is connected to the fixed mount. During a movement of the movable mount in a direction relative to the base, the roller can keep moving apart from the base substantially by a distance. Thereby the roller can touch one of the frames corresponding to two engagement portions of the two frames and roll and press the one frame for achieve the purpose of joining the two frames. Therefore, the invention improves the yield of the joining process for the two frames by the above rolling and pressing. | 12-25-2014 |
| 20150059139 | TOOL FOR SEMIAUTOMATIC APPLICATION AND REMOVAL OF MULTIPLE TEMPORARY FASTENERS - Tool for semiautomatic application and removal of multiple temporary fasteners, consists essentially of a pneumatic tool ( | 03-05-2015 |
| 20150107073 | Wheelset Press - In a wheelset press for pressing or pulling wheels, brake disks or the like on/off axles of rail vehicles, two piston/cylinder units are directed toward one another and stationarily arranged on a common straight line, wherein said piston/cylinder units serve for exerting the required pressing power and, if applicable, for displacing the axle in its longitudinal direction to bring about the pressing-on or pulling-off process. Pressure pistons are provided on the piston/cylinder units to transmit the pressing power onto the facing end of the axle. At least one press abutment for supporting a wheel, a brake disk or the like during the pressing process is designed in such a way that it can be transferred into its support position by means of a relative movement of the axle transverse to its longitudinal direction and otherwise situated outside the press area. The at least one press abutment can be fixed in different positions along the axle. Connecting columns that are rigidly arranged between press beams feature abutments that are axially spaced apart from one another for this purpose. To achieve, among other things, a compact structural shape, the abutments on the connecting columns are realized in the form of slideways for directly accommodating the at least one press abutment, wherein said slideways make it possible to transfer the press abutment from a position outside the press area into a non-tilting support position for the pressing-on or pulling-off process. | 04-23-2015 |
| 20150128395 | CUTTING TOOL HOLDER EXTRACTION DEVICE - A cutting tool holder extraction devise comprising a cup, having a back portion having a rearward socket and a front portion having a forward tool socket, and a spacer section having an axial bore with a back orifice opening in the bottom of the rearward socket and a front orifice opening in the bottom of the tool socket; an expandable jack, the jack having an axial bore, and a front face; the front face of the jack is removably engageable with the rearward socket of the cup; a threaded bolt, the bolt having a front end and a rear end, the bolt removably disposable through the cup bore and through the jack bore; and at least one nut, removably attachable to the threaded bolt. | 05-14-2015 |
| 20150300022 | Tapered Sleeve Locking Type Reinforcing Bar Connecting Joint and its Mounting Tool - The present invention discloses a tapered sleeve locking type reinforcing bar connecting joint and its mounting tool. The tapered sleeve locking type reinforcing bar connecting joint provided comprises a locking sheet set and tapered sleeves, the locking sheet set is as a whole in shuttle shape and is provided with a tooth groove for locking inside it, the tapered sleeves is provided in pair, with its inner chamber in tapered shape, and the pair of the tapered sleeve is symmetrically mounted around the locking sheet set. The mounting tool comprises pressing heads and a power device fixedly connected or slidably coordinating with the pressing heads, the pressing heads is provided in pair, and one end of the pressing head is designed as opening, the diameter of the opening end being greater than that of the reinforcing bars to be connected and smaller than that of the tail end of the tapered sleeve. In the present invention, the snapping of the locking sheet set at the reinforcing bars and the fixation between the tapered sleeves and the locking sheet set are realized by inclined-plane self-locking principle. It is simple in structure, convenient in handing, greatly reducing the labor of operators, improving the production efficiency, and the connection is reliable without loose. | 10-22-2015 |
| 20150375815 | SYSTEM FOR REMOVING PIN OF A TRACK ASSEMBLY - A system for removing a pin connecting adjacent tracks of a track assembly is disclosed. The system includes: a bracket member, a holder member, a guiding member, a stop member, a pusher member, a plurality of inserts, a top member, a spring member and a cylinder assembly. The cylinder assembly can be adapted to sequentially push one insert of the plurality of inserts disposed on the stop member through the actuation opening to move the pin with respect to the adjacent tracks. | 12-31-2015 |
| 20160121442 | DRIVE SHAFT PRESS-FITTING DEVICE - In a drive shaft press-fitting device, when a collet chuck (clamp) is moved backward by a linear motion means, the end part of the collet chuck closes by collaboration of a tapered surface of the collet chuck and an engagement part of a sleeve, and thereby the collet chuck holds an external thread part of the drive shaft. When the collet chuck is further moved backward by the linear motion means, the drive shaft is drawn out of the axle hub by the collet chuck, and thereby the drive shaft is pressed into the axle hub. After press-fitting, when the collet chuck is moved forward by the linear motion means, the collet chuck opens to be away from the external thread part of the drive shaft by a biasing means. | 05-05-2016 |
| 20160160689 | TURBINE SHROUD BLOCK REMOVAL APPARATUS - A turbine shroud block removal apparatus. In one embodiment, the apparatus includes a first base plate including a first armature. The first base plate may be releasably coupled to a first shroud block. The apparatus also may also include a second base plate including a second armature. The second base plate may be releasably coupled to a second shroud block positioned adjacent the first shroud block. Additionally, the apparatus may include an actuator coupled to the first armature of the first base plate and the second armature of the second base plate. The actuator may change a distance between the first shroud block and the second shroud block. | 06-09-2016 |
| 20160167329 | HYDRAULIC PRESS | 06-16-2016 |
