Abstract: A tool for removing a chisel, in particular from a chisel holder, having a base element which receives an actuating member, wherein the actuating member has an expeller mandrel. The actuating member is adjustable along a displacement direction. In order to be able to perform the removal simply and rapidly, the actuating member of this invention is indirectly or directly coupled to a piston of a fluid-charged cylinder, or to an electric motor unit.

Abstract: 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.

Abstract: A mounting system is disclosed for mounting a bearing assembly or other mechanical element to a shaft. The mounting system uses a tapered sleeve mechanism to secure the bearing assembly on the shaft. Specifically, a pressure loaded piston drives the sleeve from a pre-assembled position to an initial position. The initial position is determined by monitoring the pressure applied to the piston. Once the initial position has been reached, a linear indicator is used to measure the axial sleeve movement from the initial position to a final position. The system remains in place after the bearing is installed on the shaft and facilitates removal of the bearing assembly from the shaft.

Abstract: A hydraulic tool for assembling and disassembling components, such as gears, bearings, etc. of a shaft, is capable of performing an external-pulling or an internal-pulling operation as desired for an object to be assembled or disassembled. The hydraulic tool includes an oil pressure assembly having 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 and portability, is capable of performing assembling or disassembling operations at any angle and position, and is considerably enhanced in applicability.

Abstract: A valve loading system is provided that uses a valve loader to transfer a valve or other medical device from a storage cartridge into a deployment catheter. The valve or other medical device can be implanted or positioned within a patient using the catheter after the valve or other medical device has been compressed and loaded into the catheter using the valve loader. The process then can be repeated by using the valve loading system to load or introduce another valve or other medical device into the catheter.

Abstract: The invention relates to a hydraulic wheel set press for the simultaneous pressing of two wheel (1, 2) or brake disks on a wheel axis (3) having a frame construction (4) mounted on a base (5), said frame construction being comprised of two identical vertical press stands (6, 7) connected to one another in a fixed manner at a mutual distance via horizontal traverses (8, 9). The press stands (6, 7) each have a housing (10, 11) serving to accommodate a centering cylinder (12) engaging the wheel axis (3) on one end (14 15). In addition, a press cylinder (13) is provided concentrically to the centering cylinder (12). said press cylinder engaging the wheel (1, 2) or brake disk to be pressed, as well as control devices (22) for loading each of the two cylinders (12, 13) with a pressure medium.

Abstract: 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.

Abstract: A method for fabricating a blind via structure of a substrate is provided. First, a substrate is provided, which includes a conductive layer, a metal layer, and a dielectric layer disposed between the conductive layer and the metal layer. Next, a cover layer is formed on the conductive layer. Finally, the substrate formed with the cover layer is irradiated by a laser beam to form at least one blind via structure extending from the cover layer to the metal layer. The blind via structure includes a first opening, a second opening, and a third opening linking to one another. The first opening passes through the cover layer. The second opening passes through the conductive layer. The third opening passes through the dielectric layer. For example, a size of the first opening is greater than a size of the second opening and a size of the third opening.

Abstract: A device for dismounting the neck bush (4), the bearing bush (5), and the chock (6) from the conically constructed region of the roll neck (2) of a roll (1), where a pressure shoulder ring (8), which is supported on the end face of the neck bush (4), is installed on a roll neck shoulder (3) of the roll (1), is to be improved in such a way that it can be built very short and that it can carry out the dismounting movement with very small pressures of a pressure medium. To this end, it is proposed that a gap (11) be provided between the pressure shoulder ring (8) and the end face (7) of the roll neck (2), that the pressure shoulder ring (8) be coupled with the neck bush (4), and that at least one pressure medium for removing the neck bush (4) and the chock (6) be provided in the gap (11).

Abstract: An apparatus comprising a holding unit configured to hold a fuel injector for disassembly, a removal unit and an actuating unit. The removal unit comprises a first removal tool for removing a circlip and ferrule ring from the fuel injector, a second removal tool for removing a cone nut from the fuel injector, and a third removal tool for removing a screw from the fuel injector. The actuating unit comprises a first actuator configured to operate the holding unit, a second actuator configured to move the removal unit, and a third actuator configured to operate the third removal tool.

Abstract: A case clamp (20) for clamping carcass parts to furniture carcasses, such as tail cupboards, top or bottom cupboards, having a base frame (1), a lower compression beam (1?) provided on the base frame (1), at least two supports (2, 3) disposed on the base frame (1), of which at least one is traversable horizontally on the base frame (1), at least two pairs of horizontal compression beams (6, 7) disposed on the supports (2, 3) so as to be horizontally traversable, and an upper compression beam (4) disposed on the supports (2, 3) so as to be vertically traversable, wherein in each case the supports (2, 3) are supported exclusively on the base frame (1) in the vertical direction at least and are free at the opposing end (2?, 3?).

Abstract: 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.

Abstract: 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.

Abstract: A pneumatic impact device and method provide a high powered striking force against a target object. The device includes a core shell that houses a piston sub-assembly and a sear arm sub-assembly, and that further defines a forward gas chamber and a rearward gas chamber. The rearward gas chamber is loaded with compressed fluid via a handle actuator. A mostly external sear trigger assembly responds to the impact of a striker plate against the target object, thereby releasing a sear arm that then releases a piston, which is then accelerated forward by the compressed fluid charge. The device can be re-set manually via compressed fluid (e.g., air) in one embodiment, or automatically via a spring mechanism in another embodiment.

Abstract: An installation tool assembly for advancing a fitting's swage ring onto a fitting's connector body while a conduit is received in the connector body to mechanically and sealingly connect the fitting to the conduit includes a body defining at least two spaced apart piston chambers, a fixed jaw connected to the body and adapted to engage one of the connector body or the swage ring, and a movable jaw connected to the body and movable relative to the fixed jaw. The movable jaw is adapted to engage the other of the connector body or the swage ring. Pistons are disposed in the at least two spaced piston chambers. The pistons and the movable jaw are configured such that movement of the pistons in a first direction moves the movable jaw toward the fixed jaw thereby moving the swage ring axially onto the connector body to mechanically and sealingly connect the connector body to the conduit received therein when the fixed and movable jaws are engaged to the connector body and swage ring.

Abstract: 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.

Abstract: An improved system and method for removing extrusion screw elements includes a puller assembly for removing at least one screw element from a screw shaft of a screw-type extrusion machine. The at least one screw element includes a sleeve portion received annularly about the screw shaft and at least one flute extending radially outward from the sleeve portion. The puller assembly includes a body having a sleeve portion with an inner diameter sufficiently sized for axially fitting over the at least one screw element on the screw shaft. At least one engaging element is removably secured to the body for enabling the body to be axially installed on the at least one screw element when the at least one engaging element is removed from the body and axially locking the body on the at least one screw element when the at least one engaging element is installed in the body.

Abstract: A device and method used for locking three shafts of an automatic transmission during tightening of a shaft-retaining nut. The device has a housing with a sidewall defining a fluid chamber and a tip at the first end of the housing. A fluid passage extends through the tip from the fluid chamber at one end of the tip and a clutch apply port at a second, opposite end of the tip. A tube, such as a coupling, is mounted to the housing sidewall through which a fluid passage extends in fluid communication with the fluid chamber. A compressed gas conduit is mounted to the coupling and is in fluid communication with the coupling fluid passage. As a park mechanism on the transmission is applied, a predetermined amount of air pressure from the compressed gas conduit is applied through the coupling, housing and tip to the clutch apply port, thereby locking the three shafts of the automatic transmission together. The shaft retaining nuts are tightened and the device can be released, thereby releasing the shaft.

Abstract: 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.

Abstract: An apparatus for automatically and simultaneously removing connector clips of a workpiece from a gauge. The present invention includes at least one gauging fixture having at least one aperture extending therethrough in a predetermined position. The at least one aperture is adaptable to receive a connector clip connected to the workpiece wherein the connector clip is engageable with the aperture between a non-engaging position, wherein the connector clip does not engage the aperture, and an engaging position, wherein the connector clip engages the aperture for securing the workpiece against the gauging fixture to gauge the position of the connector clip. At least one linear actuator is connected to the gauging fixture adjacent the aperture to move between a retracted position, wherein the connector clip remains engaged with the gauging fixture, and an extended position, wherein the linear actuator disengages the connector clip from the gauging fixture.

Abstract: 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.

Abstract: An axial swage alignment tool (11) having a bridge member (27) for axially and rotationally aligning a metal tube (21) and a fitting (31) is disclosed. The bridge member that is temporarily bonded to the exterior surfaces of the metal tube and the fitting. The bridge member eliminates the need to place any material between the metal tube and the fitting either prior to or after the swaging process.

Abstract: A self-tensioning tendon for pulling a tension leg platform (TLP) down to a desired draft position. The self-tensioning tendon can be utilized with either a co-installation process or a pre-installation process and connects to an assembled tendon joint. The self-tensioning tendon comprises a hydraulically controlled Length Adjustment Joint (LAJ) that further comprises an integral cylinder with external threads and a piston rod. The self-tensioning apparatus has features that advantageously reduce the time required to ballast the hull of the TLP. A hydraulic source actuates the integral cylinder to pull the TLP down to the target draft position, significantly reducing the time needed to ballast the hull of the TLP with millions of gallons of water. A Top Tendon Connector (TTC) ratchets down along the cylinder to lock the TLP at the final draft position.

Abstract: 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.

Abstract: A method for coupling together at least two layers (23, 25, 27, 29, 21-1) of a mattress includes the steps of aligning each layer in its proper position in relation to the other layers of the mattress (11) and, after the alignment step, inserting a plastic fastener (31) through the layers. A fastener dispensing tool (211) is provided for inserting plastic fasteners (31)through the layers (23, 25, 27, 29, 21-1) of the mattress(11). In one embodiment, the fastener dispensing tool (211) includes a housing (213), a hollow sharpened needle (229) fixedly coupled to the housing (213), an ejection mechanism for advancing a cross-bar of the plastic fastener through the hollow needle, a needle guard slidably coupled to the housing over a portion of the sharpened needle, and a needle guard stop slidably coupled to the housing in such a manner so that it can be releasably fixed place in either of two or more set positions.

Abstract: Systems and method for tensioning jet pump beam bolts in a nuclear reactor are disclosed. The nuclear reactor may include at least one jet pump with each jet pump having a jet pump beam and a jet pump beam bolt. The system may include an actuating apparatus and a tensioning apparatus. The actuating apparatus may include a socket member for engaging the jet pump beam bolts, a sleeve member for engaging a handling pole, and an actuator hex positioned between the socket member and the sleeve member. The tensioning apparatus may include a base block having an opening for accommodating the jet pump beam bolt, a top plate having an opening for accommodating the actuator hex, and a hydraulic actuator for providing tension to the jet pump beam bolt in accordance to measurements of the actuating apparatus.

Abstract: Apparatus for inserting a substrate surrounded by a compressible mat into a compartment of a housing of an exhaust treatment device includes an insertion member having a bore shaped substantially identically to a shape of an opening to the housing compartment and a fluid bearing generator establishing a compressed fluid bearing at a surface of the bore. The fluid bearing is operative to reduce a coefficient of friction between the compressible mat and a surface of the bore when the substrate/mat combination is moved axially in the bore into the compartment opening.

Abstract: A device for dismounting the neck bush (4), the bearing bush (5), and the chock (6) from the conically constructed region of the roll neck (2) of a roll (1), where a pressure shoulder ring (8), which is supported on the end face of the neck bush (4), is installed on a roll neck shoulder (3) of the roll (1), is to be improved in such a way that it can be built very short and that it can carry out the dismounting movement with very small pressures of a pressure medium. To this end, it is proposed that a gap (11) be provided between the pressure shoulder ring (8) and the end face (7) of the roll neck (2), that the pressure shoulder ring (8) be coupled with the neck bush (4), and that at least one pressure medium for removing the neck bush (4) and the chock (6) be provided in the gap (11).

Abstract: A lens deblocking system (1) used for removing a lens (51) from an edging block (22). The system (1) includes opposed movable arms (4, 5) that are constrained to travel longitudinally within an aperture (3) so as to grip a lens (51) that is adhesively secured to an edging block by a pad (52). The edging block (22) is held within a clamp (11) that resides on a collet closer (63) which may be rotated by activating an air cylinder (82). A cam push block (91) is linked to file cylinder (82) as well as a cam arm (98) that is attached to a spindle (96) extending from the collet closer (63). In response to the movement of the push block (91) a rotational motion is imparted to the damp (11) via the cam arm (98). The rotation of the clamp (11) occurs while the tens (51) is still constrained against rotational movement between the movable arms (4, 5) thereby physically breaking the bond between the pad (52) arid the clamp (11) and permitting subsequent manual removal of the pad (52) from the lens (51).

Abstract: A tool for the connection of tubes (T) by means of connection sleeves (C), comprising two jaws (2, 3) which are mutually movable between an open rest position, and a closed work position wherein they define an annular reception seat (7) of the connection sleeve (C), and wherein they turn a circumferential series of radial punches (6) towards the sleeve (C); said jaws (2, 3) each comprising at least one punch (6) sliding towards the centre of said reception seat (7), and being mutually connected by means of a kinematic system which permits them, when they are found in said open rest position, to confer a generally open-ring shape to said reception seat (7), through whose lateral opening (8) the connection sleeve (C) can be inserted and extracted by lateral movement.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention is a device that can extract nails from any material. The present invention is particularly useful in extracting nails from wood, thus allowing any person involved in building construction to correct mistakes, and reuse old lumber and nails. Preferably, the device uses compressed air to power a pneumatic hammer type device which is connected to one of several possible nail extraction bits or other purpose bits.

Abstract: A tool for removing a chisel, in particular from a chisel holder, having a base element which receives an actuating member, wherein the actuating member has an expeller mandrel. The actuating member is adjustable along a displacement direction. In order to be able to perform the removal simply and rapidly, the actuating member of this invention is indirectly or directly coupled to a piston of a fluid-charged cylinder, or to an electric motor unit.

Abstract: An improved apparatus and method of removing tubes and/or tube stubs from structures comprising multiple tubes wherein induction heating is utilized to heat the tube stub prior to removal.

Abstract: A fluid activated connecting pin removal tool, includes a body defining a first cavity adapted to receive a portion of a work piece and a second cavity positioned substantially perpendicular to and intersecting the first cavity. When a fluid activated cylinder is mounted to the body in a first orientation relative to the second cavity, expansion of the fluid activated cylinder results in a piston extending from the cylinder into the first cavity in which the work piece is positioned to exert a force upon a connecting pin connecting portions of the work piece. When the fluid activated cylinder is mounted to the body in a second orientation relative to the second cavity, the secondary cavity serves as a storage compartment for the fluid activated cylinder.

Abstract: A pin removal assembly for use with an upper block of a crane includes a sheave support and a pin support. The upper block includes a frame, a plurality of sheaves, and a removable sheave pin that defines an axis of rotation for the sheaves and supports the sheaves within the frame. The pin removal assembly includes a sheave support mountable to the frame of the upper block and a pin support mountable to the frame of the upper block. The pin support is configured to support the sheave pin when the sheave pin is removed from the upper block.

Abstract: Methods and apparatus for preloading a bearing are provided. The apparatus includes a rod having a first end and a second end adapted to be removably mounted to a shaft; a device for compressing a hub against the outer race of a bearing to provide the preload to the bearing; and a cylindrical frame positioned between the device for compressing the hub and the hub. These methods and apparatus include preload monitoring devices whereby the mechanic can accurately monitor and regulate the preload to a bearing or bearing assembly. Aspects of the invention may also be used to adjust the endplay on a bearing or a bearing assembly. In one aspect, the preload to the bearing is transmitted through a housing having a fluid whose pressure can be detected and monitored. An apparatus for precisely rotating a nut and a tool for precisely rotating a nut are also provided.

Abstract: 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.

Abstract: 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.

Abstract: An automated crankshaft oil seal installation device and method of installing a crankshaft oil seal therewith. The device and method of the present invention allows an oil seal to be quickly and accurately installed to and around an exposed portion of a crankshaft in a manufacturing setting. One embodiment of the device makes use of a self-retention mechanism to ensure that the device is properly mated to an engine block that houses the crankshaft, and a pneumatic cylinder in combination with an oil seal retention/installation mechanism to install the oil seal.

Abstract: A stent loading device may comprise a stent crimping device, a fluid source and a support device arranged to support and move a stent delivery device. The fluid source may provide chilled fluid capable of placing a shape memory material into a martensitic state. After stent crimping, as the crimping device opens, the fluid flow may advance at least a portion of the stent into the delivery device. A step procedure may be used to move the rest of the stent into the delivery device, wherein the delivery device may be moved away from the crimping device, the portion of the stent still in the crimping device may be crimped again, and the delivery device may be moved back to its original position, thereby stepping another portion of the stent into the delivery device. The step procedure may be repeated until the entire stent is oriented within the delivery device.

Abstract: A tool is disclosed for driving a slide under a wedge within a slot of an armature or field of a dynamoelectric machine. The tool comprises a frame including a pair of elongated rail members; a force application block located between the rail members; a drive connected to the frame, substantially intermediate opposite ends of the frame; a lead screw threadably engaged at one end with the force application block and connected at an opposite end to the drive such that the drive rotates the lead screw when actuated. Rotation of the lead screw causes axial movement of the force application block. The armature or field includes a core, and this core may have one or more vent slots for facilitating ventilation of the armature or field. A slot plate for locating the tool relative to the slide is present, and a portion of the slot plate extends into one or more vent slots. The slot plate establishes a reaction point for forces applied by the force application block to the stator slide.

Abstract: A tool is provided for driving a slide or wedge within a slot of an armature or field of a dynamoelectric machine. The armature or field includes a core, and the core includes one or more vent slots for facilitating ventilation of the armature or field. The tool includes a drive for applying a driving force, and a push block is connected to the drive. At least one guide rail is configured to cooperate with the push block. The drive operates on the push block to drive a slide or wedge. The at least one guide rail reduces deflection or skew of the push block during a driving operation.

Abstract: 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.

Abstract: 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.

Abstract: The disassembling tool (30) is constructed such that the grip 55b of the arm 55 is inclined relative to the fixed portion 55a and the bottom portion 53 downward to the base 31 at an angle ?1 (about 45° to 55°). Therefore, the vertical component Fv of the force F, which is force for pushing down the arm 55, may become larger and the horizontal component Fh of the force F may become smaller. And, the disassembling tool is prevented from slipping on the working bench S, causing easy and smooth disassembling work.

Abstract: An exemplary embodiment provides one or more improvements which makes it possible for a single person to easily install a garbage disposal under a sink. Embodiments include a base with wheels, a hydraulic jack attached to the base, an extensible column extended by the hydraulic jack, and a platform attached to the extensible column. The garbage disposer is placed on the platform and the installation tool is moved under the sink, the jack is used to raise and support the platform and the garbage disposal in position for attachment to the sink.

Abstract: For press fitting a pin member into aligned holes of works, a press fitting tool is provided, which comprises a pin diameter reducing device that reduces at least a leading end of the pin member to a given diameter by applying an external force to the pin member. The given diameter is smaller than that of the aligned holes. The press fitting tool further comprises an actuating device that thrusts the pin member in a direction to insert the diametrically reduced leading end of the pin member into an inlet portion of the aligned holes without inducing abutment of the diametrically reduced leading end of the pin member with a peripheral edge of the inlet portion of the aligned holes.