Abstract: A quick disconnect system including a matable coupling and post. The coupling includes a base, a pair of pins, a jacket and a biasing means. The base defines a longitudinally extending bore. The pair of pins are radially repositionable relative to the bore and extend tangentially along opposite sides of the bore. The jacket cooperatively engages the base and the pins whereby longitudinal repositioning of the jacket as between a first stop position and a second stop position effects radial repositioning of the pins. The biasing means biases the jacket towards the first stop position. The post has a flanged head on the distal end of a shaft for cooperatively engaging the pins to achieve connection of the coupling and the post.

Abstract: Coupling pins for connecting weapon components are described. An example fastener to couple weapon components includes an elongated body defining a first aperture. The first aperture being defined along a longitudinal axis of the elongated body. Tension member and a biasing element being positioned within the first aperture. The elongated body defining a second aperture. The second aperture being defined through a portion of the elongated body to enable a tension element, positioned at least partially within the second aperture, to be urged from the elongated by via an interaction with the tension member. The fastener is insertable into aligned apertures of respective first and second weapon components. The tension element being urged from the elongated body to interact with the second weapon component to urge the second weapon component into further engagement with the first weapon component.

Abstract: A socket wrench in which a supporting hole is formed in a drive disposed at an operating handle, and a steel ball pressed by a coiled spring is movably engaged with the supporting hole. A recess part for allowing the steel ball to partly engage therein is formed in an inner wall of an assembling hole of a wrench body for allowing the drive to engage therein. A connecting hole engageable with a polygonal head part of a bolt to be operated is formed in the wrench body in such a manner as to be coaxial with the drive. The recess part has a pair of contacting walls for the steel ball to contact therewith, the pair of contacting walls being disposed in mutually intersecting directions.

Abstract: A connecting rod assembly comprises a connecting element, a pivot element, a connecting rod, a spring and an engaging element. The connecting element is provided at both ends thereof with a connecting portion and a driving portion. The pivot element is provided at a first end thereof with a connecting pillar formed with a pivot hole, and the connecting pillar is further formed in an outer surface thereof with a moving hole in communication with the pivot hole. The connecting rod has a first end thereof connected to the connecting element, and a second end of the connecting rod is pivotally disposed in the pivot hole. The connecting rod is formed with an evasion groove for cooperating with the engaging element. The spring is disposed in the driving groove with both ends thereof pushed against an inner surface of the driving groove and the connecting element.

Abstract: A paint gun assembly including a spray head and a connecting manifold. The spray head includes a bore terminating in a radially extending space of gradually increasing radius. The bore receives a shaft that has an axially extending bore which connects with radially extending bores in which balls are contained. The shaft also contains a plunger with a rounded end, engaging the balls. When forced into the axial bore, the plunger forces the balls into the radially extending bores and out into the tapered, radially extending space. The plunger engages a cam which is exposed at a surface of the manifold body and includes a hexagon drive to adjust the angular rotation of the cam using a suitable key. The manifold body provides a recess for receiving a retaining pin, whose end is received in the cam guide profile. Axial movement of the cam is resisted by a compression spring.

Abstract: A polyaxial screw assembly includes a pedicle screw, a coupling, an insert, and a housing. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The coupling is positioned on top the pedicle screw and releasably engages portions of the head. The coupling and pedicle screw are positioned within a distal portion of the housing. The pedicle screw is slid through an opening in the insert and the insert is thread into the distal portion of the housing to retain the coupling and the pedicle screw within the housing. The pedicle screw is rotatable and pivotable relative to the housing. Compressing the coupling within the housing locks the pedicle screw in a desired orientation.

Abstract: A locking mechanism for use with a tool has a tool having a first working end, an opposite second end, a central axis therebetween, and a least one axial recess formed on an outer surface of the tool. A cap is rotatably received on the tool opposite second end, the cap comprising at least one recess formed on an outer surface thereon. The cap is rotatable between a first position in which the cap at least one recess aligns with the tool at least one recess, and a second position in which the cap at least one recess is out of alignment with the tool at least one recess. The locking mechanism further comprises a detent operatively positioned between the tool and the cap. The detent may be a pin and a spring, where the spring biases the cap into the second position.

Abstract: An automated tool includes a quick change spindle assembly. In another aspect of the present invention, the quick change spindle includes an attachment assembly for interchangeable fastener drivers. A further aspect of the present invention employs release member to actuate a drive member in the spindle assembly causing a retainer to uncouple a fastener driver with the spindle.

Abstract: A fastener is disclosed. The fastener includes a housing, a cage, a plurality of retaining members and a plunger. The plunger is at least partially movable within said cage between a first position to cause said one or more retaining members to be displaced radially outwardly thereby mechanically coupling said housing to said cage, and a second position to allow said one or more retaining members to be displaced radially inwardly thereby allowing said housing to be uncoupled from said cage.

Abstract: An exemplary holding structure used for holding an object that defines a latching hole, includes a main body, a pressing member received in the main body, and two latching members. The main body includes a lodging portion for being lodged into the latching hole of object and two receiving holes are defined in the lodging portion. The latching members are received in the receiving holes. The pressing member is configured to press the latching members to partially extend out of the at least two receiving holes for holding the object. The pressing member is capable of disengaging from the at least two latching members for releasing the object from the lodging portion.

Abstract: A fastener is disclosed. The fastener includes a housing, wherein the housing forms a housing cavity, wherein the housing cavity includes at least one recess; a cage at least partially disposed in said housing cavity, wherein an outer surface of the cage is spaced apart from an inner surface of the housing that forms the housing cavity, wherein the cage defines a cage cavity, and a plurality of passages aligned with said at least one recess; a plurality of retaining members at least partially retained within said plurality of passages; and a plunger at least partially disposed in said cage cavity, wherein said plunger is at least partially movable within said cage cavity between a first position to cause said one or more retaining members to be displaced radially outwardly thereby mechanically coupling said housing to said cage, and a second position to allow said one or more retaining members to be displaced radially inwardly thereby allowing said housing to be uncoupled from said cage.

Abstract: In a robotic tool coupler, a rotating cam member having a plurality of surfaces formed therein urges a plurality of ball members in one tool coupling unit radially to contact an angled surface in the other tool coupling unit. Further rotation of the cam member exerts a radial force through the ball members onto the angled surface. A component of that force is directed by the angled surface toward the opposite tool coupling unit, locking the two units together. The cam member may include a failsafe surface and/or a failsafe lobe to maintain the two units locked together in the event of a loss of power to positively actuate the cam member.

Abstract: A detent assembly—namely of pairs of sub-assemblies of which the individual ones comprise spatially directly associated surfaces at which projecting elements cooperate with engaging elements in prestressed manner—comprises at least one detent element within a detent sub-assembly, said detent element being retained prestressed within an obliquely directed guide in a manner that it projects beyond a detent sub-assembly outer surface and that it enters an aperture sub-assembly while being obliquely prestressed into a recess of an opposite aperture outer surface and rests only unilaterally and point-wise against associated rim sites of the mutually associated interlocking zones. A preferred application relates to a handle being supported rotatably but in axially fixed position by a stop fitted with a disk connected to a handle extension and comprising circumferential interlocking recesses, for instance notches.

Abstract: A safe and quick release device for a tool adapter includes a main body and a combination head. The main body has its front end axially bored with a combination groove with an open end. The combination groove has its opposite sides respectively bored with at least one position-limiting hole having its opposite ends respectively and annularly formed with a first position-limiting portion and a second position-limiting portion. A spherical position-limiting member is slidably disposed in the position-limiting hole and restrictedly positioned therein by the first and the second position-limiting portion. Thus, the position-limiting member is ready made, needless to be especially processed, can easily be in stalled for facilitating assembly and disassembly of the combination head, reducing processing cost.

Abstract: A subsea connector comprises a female element (1) defining a parallel bore (2) adapted to receive a male element (3). First releasable locking means are disposed between elements (2) and (3) and comprise a sprung cage (6) in which balls (5) are retained for movement in tapered grooves circumferentially spaced around element (3). As the cage moves relative to element (3) balls (5) protrude from the cage to a greater or lesser extent to lock the elements together. Second locking means prevent relative movement between elements (1) and (3) in a locking release direction of the first releasable locking means. These second locking means comprise lock balls retained in an apertured body disposed between elements (1) and (2).

Abstract: A tool extension rod which is adapted to be connected to or disconnected from a socket essentially comprises a rod body, a positioning unit, and a pushing sleeve. If the socket is connected to the rod body and fixed by the positioning unit, the pushing sleeve can be pushed to control the positioning unit so as to loosen and remove the socket from the rod body without any additional manual operation.

Abstract: An apparatus includes a rotatable device, which may be a keyless chuck, a keyless chuck adapter, a collet chuck, a collet adapter, a set screw bit retaining chuck, or a set screw bit retaining adapter. The rotatable device is configured to be mounted to a power tool for rotational driving of the rotatable device. The rotatable device is configured to receive a first bit device detachably mounted in the rotatable device for powering rotational movement of the first bit device. A mounting section having at least one flat secant side is defined on the rotatable device, which is capable of being rotatably driven by the power tool. The mounting section includes at least one locking mechanism on it. The generally cylindrical mounting section is adapted for insertion in and engagement with a bit holding attachment.

Abstract: A robotic tool changer comprises first and second units, operative to be separately attached to a robot and a robotic tool, and further operative to be selectively coupled together and decoupled. The first and second units are coupled and decoupled by an electric motor. Power from the electric motor may be applied to couple and decouple the first and second units in a variety of ways.

Abstract: A spindle for a releasable securing device having a ball that cooperates with the spindle, which is located in a shank of the releasable securing device, is disclosed. The spindle includes a tapered land region and a ball pocket region. The tapered land region is configured to selectively contact the ball of the associated releasable securing device urging the ball outwardly in a radial opening formed in the shank of the associated releasable securing device. The land region includes an external surface tapering toward a central axis and a distal end of the spindle. The ball extends beyond an outer surface of the shank when contacted by the exterior surface. The ball pocket region is spaced from the tapered land region toward a proximal end of the spindle.

Abstract: An adjustable surgical retractor system for clamping system to an operating table. The clamping mechanism includes an upper jaw, lower jaw, a drive member, an adjustable frame support post and releasable locking mechanism for adjusting the height of the surgical retracting frame. The releasable locking mechanism can be a mechanism that includes a sleeve in close sliding relationship to the upper portion of lower jaw member. The upper portion of the lower jaw has a plurality of sockets for receipt of a plurality of balls. The sleeve can have a first position which positions an internal shoulder in alignment with the sockets and urges the balls into engagement with circumferential grooves in post member to lock the post at desired height. In a second position, an internal groove in the sleeve can align with the sockets to allow the balls to move partially out of the sockets and out of engagement with the groove in the post so that the post can be longitudinally adjusted relative to the clamping mechanism.

Abstract: An adjustable height seat post for bicycles that comprises an inner tube slidably contained within an outer tube which supports a bicycle seat. The outer tube clamps into a bicycle frame and contains a spring which acts to force the inner tube upward. The inner tube is allowed longitudinal movement within the fixed outer tube via a locking mechanism that forces ball bearings into pockets or channels on the inner tube. The locking mechanism can be remotely activated with a handlebar mounted lever or manually with a seat post mounted lever.

Abstract: A quick-release coupler includes a rod having first and second sections. The first section includes an end for coupling with a pneumatic tool. The second section extends from the other end of the first section. A sleeve is slideably mounted around the rod and includes an end for releasably coupling a bit. The sleeve includes an axial bore having larger and smaller sections. The larger section has polygonal cross sections corresponding to polygonal cross sections of the first section. A radial bore is formed in the sleeve and in communication with the smaller section. A ball is moveably received in the radial bore and moveably received in a recess of the second section of the rod to releasably engage the sleeve with the bit. A spring is mounted in the larger section of the sleeve for biasing the sleeve towards the other end of the rod.

Abstract: A robotic tool changer having a master unit and a tool unit adapted to be coupled together. Movably mounted in the master unit of the robotic tool changer is a piston that is movable between locked and unlocked positions. The piston includes a contact area having an unlocking surface, a failsafe surface and a locking surface. Also provided is a series of rolling members contained within a retention area that are actuated by the piston to lock the master unit to the tool unit. For example, the piston engages the rolling members and urges them into a locked relationship with a bearing race that forms a part of the tool unit. To prevent the inadvertent or accidental movement of the piston from the locked position to the unlocked position, the piston is provided with a retarding surface generally disposed between the locking surface and the unlocking surface on the piston for retarding the movement of the piston as the piston moves from the locked position to the unlocked position.

Abstract: An apparatus for releasably holding a tubular toolholder shank includes a tool support member; a canister disposed within the tool support member; a lock rod movable within the tool support member in a reciprocating motion for pulling the tubular toolholder shank into a locked position and for releasing the tubular toolholder shank to an unlocked position; and at least two locking elements engaging the lock rod so that movement of the lock rod causes the locking elements to extend outward to engage the tubular toolholder shank. The lock rod includes a relief cavity extending rearward from a forward end of the lock rod. The lock rod has a maximum outer diameter and the relief cavity has a maximum diameter. A ratio of the maximum diameter of the relief cavity to the maximum outer diameter of the front portion of the lock rod is greater than approximately 1 to 4.

Abstract: A first tooling component is positively secured to a second tooling component by one or more quick change locking couplers each including a cylinder secured to the first tooling component and having peripherally spaced holes supporting balls for radial movement. A stud is secured to the second tooling component and has an enlarged head portion projecting into the cylinder. A cup-shaped piston surrounds the cylinder and has a recess for receiving the balls in a released position, and a housing supports the piston for axial movement between the released position and a locked position forcing the balls to engage the stud. A compression spring moves the piston to the locked position, and air pressure moves the piston to the released position. A proximity sensor is supported by the housing and detects the piston in the locked position to provide an electrical signal to a remote visual and/or audio indicator.

Abstract: A release pin for selective engagement with at least one work piece, the pin extending in a longitudinal direction with an inner portion and an outer portion. The inner portion including a shank having an exterior portion extending in the longitudinal direction between a first end and a second end and the inner portion further including a locking arrangement near the second end. The shank exterior being sized to pass through an associated bore extending into an associated surface of an associated work piece. The outer portion being joined to the inner portion near the first end and including an abutment extending transverse to the longitudinal direction and being shaped to engage the associated surface when the shank is positioned in the associated bore such that the outer portion is defined by the abutment and has an outer longitudinal height extending in the longitudinal direction outwardly from the abutment and the associated surface when the pin is secured to the associated work piece.

Abstract: A lock pin has a generally tubular shaft having a front end formed with a radially outwardly open aperture. A locking ball is radially displaceable in the aperture between an outer locking position projecting radially outward from the shaft and an inner position recessed in the shaft. An actuating rod coaxially slidable in the shaft between front and rear positions has a rear end projecting from a rod rear end and a front end at the aperture. The rod has a formation engaging the ball in at least one of its front and rear positions and pressing the ball into its outer locking position. A unitary handle has one end fixed to the rear end of the shaft, an opposite end fixed to the rear end of the rod, and an elastically deformable connecting portion extending between the handle ends and urging the rod into its one position.

Abstract: A quick release pin has an elongated body having an axial bore therethrough, a shaft extending at least partially through the axial bore for axial movement along the bore; a spindle separately mounted on a first end of the shaft; a button separately mounted on a second opposite end of the shaft; and a handle having a central passage through which the button extends, wherein the handle is mounted to the elongated body. The shaft can be interchanged with a variety of materials and lengths of shafts.

Abstract: A fastener is disclosed. The fastener includes a housing, a cage, one or more retaining members, and a plunger. The housing defines a housing cavity. The housing cavity includes a recess. The cage is disposed at least partially in the housing cavity. The cage includes a cage cavity and one or more passages in the cage aligned with the recess. The one or more retaining members are retained within the one or more passages. The plunger is movable in the ball cage cavity between a first position to cause the one or more balls to be displaced outwardly relative the one or more passages to seat the one or more retaining members in the recess thereby mechanically locking the housing to the ball cage, and a second position thereby allowing the one or more retaining members to be displaced radially inwardly relative the one or more passages to cause the one or more retaining members to be unseated from the recess.

Abstract: The present invention concerns a coupling (1) including a first part (2) and a second part (3), where the first part (2) includes a housing (4) with a displaceable locking ring (8). The locking ring having a locking device (9) for receiving and fixing a projecting part (5). The housing is provided with an internal cylindrical surface with an annular recess (11) arranged for accommodating the locking device (9). The locking ring is connected with a spring-biased locking unit (17) for moving and locking the locking ring in at least two positions in the housing (4). The locking unit (17) includes an insert (18) connected to the locking ring (8) at one end and at an oppsoite end is provided with a number of oblique teeth (23).

Abstract: A split mechanical composite seal assembly for providing a seal between a rotating shaft and a static surface. The split mechanical composite seal assembly includes first and second axially adjacent annular seal elements. The first and second seal elements each include a sealing edge contacting the shaft to provide a respective seal between the first and second seal element and the shaft. A static housing receives the first and second seal elements and engages the static surface to provide a static stationary seal, while concomitantly providing a flex region that engages the seal elements to form a dynamic seal therewith. A holder assembly receives one seal element and may include a double-angled lead-in to facilitate installation of the seal element. The holder assembly may include a detent groove for receiving and retaining an O-ring disposed about the seal element. The static housing may comprise two mating segments having overlapping surfaces.

Abstract: A device for locking end positions of switch parts, having two parts, relatively axially displaceable and positively coupled in at least one direction, including a tube and a rod guided within the tube, at least partially arranged in an outer tube. Locking members cooperate with the parts and outer tube and are displaceable into a locking position in the outer tube's recess. Locking members include ring segments chamfered on insides forming first abutment surfaces converging obliquely toward rod axis. First abutment surfaces cooperate with oblique counter abutment surfaces in a rod recess for holding the rod and the tube coupled during the rod's first displacement path and for urging segments outwardly to emerge from rod recess, and to slide onto the rod's outer surface adjacent rod recess and to immerse into locking position in the outer tube's recess upon rod movement relative to the tube over a second displacement path.

Abstract: A quick-release coupler includes a rod having first and second sections. The first section includes an end for coupling with a pneumatic tool. The second section extends from the other end of the first section. A sleeve is slideably mounted around the rod and includes an end for releasably coupling a bit. The sleeve includes an axial bore having larger and smaller sections. The larger section has polygonal cross sections corresponding to polygonal cross sections of the first section. A radial bore is formed in the sleeve and in communication with the smaller section. A ball is moveably received in the radial bore and moveably received in a recess of the second section of the rod to releasably engage the sleeve with the bit. A spring is mounted in the larger section of the sleeve for biasing the sleeve towards the other end of the rod.

Abstract: An embodiment is a sling swivel that may be removably attached to and detached from a sling swivel base mounted on or within a firearm. More specifically, the sling swivel of an embodiment may be quickly detachable while not substantially prone to inadvertent detachment. An embodiment includes a knob coupled to a spring-biased plunger or actuator, wherein rotating the knob operates the plunger or actuator to removably attach and detach the sling swivel with respect to a sling swivel base.

Abstract: An automatic locking ball coupler for a power take off includes a ball keeper connected to the power take off and having a longitudinal axis and openings in a cylindrical surface thereof. Locking balls are received in the openings and can move radially with respect to the axis of the cylindrical ball keeper. A ball collar is positioned around the cylindrical ball keeper and has a plurality of internal circumferential rings and recesses between each ring. The ball collar can slide axially with respect to the longitudinal axis of the ball keeper between a coupled position in which the locking balls are on the rings and an uncoupled position in which the locking balls are in the recesses.

Abstract: An anti-loosing quick-release socket adapter, being easy to produce, having enhanced durability, providing improved stability when combined with a close-end wrench, comprises a hexagonal connecting portion whereon an annular groove is formed with a positioning hole so that a flexible metal wire is fittingly received and positioned in the groove. The metal wire is preformed into a predetermined curved shape and includes two bent segments jutting out a periphery of the hexagonal connecting portion.

Abstract: A miniaturized attachment mechanism for attaching a lanyard to a cell phone, MP3 player or other portable device having a hole in its outer casing is disclosed. The miniaturized attachment mechanism can have one end permanently fastened to a lanyard, and can include a spring-loaded ball detent within a hollow shaft. The hollow shaft diameter can be about 3 millimeters or less, while the diameter of the ball within the hollow shaft can be about 2 millimeters or less. The hollow shaft can be inserted into the casing hole such that the ball detent secures the mechanism to the casing until a pin release is used. In another embodiment, the miniaturized attachment mechanism can include a 1 millimeter shaft having a groove at an insertable end, while the casing encloses a two hole E-ring mechanism adapted to lock onto the groove when the shaft is inserted into the casing hole.

Abstract: A quick-release coupler includes a rod having a first end for coupling with a pneumatic tool and a second end having a recess. A sleeve is slidably mounted around the rod and includes an end coupled with a bit. A ball is received in a radial bore in the sleeve and received in the recess of the rod to engage the sleeve with the rod. A spring is mounted in the sleeve for biasing the sleeve towards the second end of the rod. The ball projects out of the sleeve to engage the bit with the quick-release coupler when the ball is received in a first, shallower contact section. Removal of the bit from the quick-release coupler is allowed when the ball is received in a second, deeper contact section.

Abstract: A quick-release handle for use with the working head of a cleaning tool is disclosed. The handle includes a quick-release coupling assembly positioned on one end of the handle and a button actuator positioned on the opposite end of the handle. The coupling assembly is configured to releaseably couple with a working head. The button actuator is operably connected to the coupling assembly such that coupling assembly may be disengaged from a working head through manipulation of the button actuator.

Abstract: A painting tool assembly includes an elongated pole having a first end and a second end. The elongated pole has a length greater than three feet. A roller mounting releasably couples to a paint roller. The paint roller is rotatable along a longitudinal axis of the paint roller. The roller mounting receives and is removably coupled to the first end of the pole. A locking member is mounted on the pole and releasably locks the pole to the roller mounting.

Abstract: A ceiling fan anchoring bracket and housing assembly for quick and easy installation of the ceiling fan housing for either hugger or down-rod fans is disclosed. The assembly comprises of hook-up pins and stationary lock-up pin fastened on and protruding from the anchoring bracket. The stationary lock-up pin latchingly locks the housing of the fan by spring or urging mechanism. The bracket and housing assembly enables the user to install the ceiling fan housing to the anchoring bracket without having to resort to using tools. All a user needs to do is to align and engage one side of the housing to the hook-up pins on the bracket and push the opposite side of the housing onto the stationary lock-up pin on the bracket through a spring action to complete the installation.

Abstract: A first tooling component is positively secured to a second tooling component by one or more quick change locking couplers each including a cylinder secured to the first tooling component and having peripherally spaced holes supporting balls for radial movement. A stud is secured to the second tooling component and has an enlarged head portion projecting into the cylinder. A cup-shaped piston surrounds the cylinder and has a recess for receiving the balls in a released position, and a housing supports the piston for axial movement between the released position and a locked position forcing the balls to engage the stud. A compression spring moves the piston to the locked position, and air pressure moves the piston to the released position. A proximity sensor is supported by the housing and detects the piston in the locked position to provide an electrical signal to a remote visual and/or audio indicator.

Abstract: A coupling mechanism includes column-shaped plugs having engagement grooves, cylindrical sockets movable to and from the plugs in the axial direction, slip-proof members which are engaged with the engagement grooves of the plugs to prevent the plugs from slipping out of the sockets and sliding cylinders slidably fitted to the outside of the sockets in the axial direction of the plugs to enable the slip-proof members to engage with the engagement grooves. In operation, first spring members always urge the sliding cylinders in a direction to engage the slip-proof members with the engagement grooves. When cams of cam mechanisms rotates, the sliding cylinders are moved in opposition to the urging of the first spring members, so that the connection between the display units is released.

Abstract: The invention discloses a fast and reliable coupling device between a tool shank and a motor assembly of a hand-held blender, which can be released by the user. The motor assembly is of the type that has a cylindrical nozzle centrally positioned on the base by which it couples to the tool shank, the outer side of which has a threaded portion, whilst the tool shank has an internally threaded nut that is complementary to the nozzle, the base of the motor assembly also including a formation that projects outwards, with a hole through which a retaining ball projects, pushed by a spring, whilst radial partitions project from the outer wall of the coupling nut of the tool shank towards the inner face of the coupling bell, one of these partitions having on its upper edge a cup-shaped formation that is of suitable dimensions to admit and house said ball when aligned with it during the coupling operation between said tool shank and motor assembly.

Abstract: A quick-connection device is provided for use in quickly connecting and disconnecting a tool from a machine. The device includes a detent mechanism between a tool-side portion and a machine-side portion. Advancing or retracting a sleeve will engage or disengage the detent mechanism, and the sleeve is biased into a detent-engaged position. The device includes a sleeve-retention mechanism configured to hold the sleeve in a detent-disengaged position.

Abstract: A release pin for selective engagement with at least one work piece, the pin extending in a longitudinal direction with an inner portion and an outer portion. The inner portion including a shank having an exterior portion extending in the longitudinal direction between a first end and a second end and the inner portion further including a locking arrangement near the second end. The shank exterior being sized to pass through an associated bore extending into an associated surface of an associated work piece. The outer portion being joined to the inner portion near the first end and including an abutment extending transverse to the longitudinal direction and being shaped to engage the associated surface when the shank is positioned in the associated bore such that the outer portion is defined by the abutment and has an outer longitudinal height extending in the longitudinal direction outwardly from the abutment and the associated surface when the pin is secured to the associated work piece.

Abstract: A rotor mounting structure arranged in a centrifugal separator. A cylindrical shaft having elastic tongue pieces provided substantially equidistantly on the peripheral edge of the upper surface of the cylindrical shaft is provided at the distal end of a drive shaft; the tongue pieces have hooks; a shaft accommodation orifice accommodates the cylindrical shaft is formed in the center of the rotor; elastic tongue piece insertion grooves mate with the elastic tongue pieces of the cylindrical shaft; the rotor is joined to the cylindrical shaft, while bending the elastic tongue pieces; and in a state in which the rotor is completely joined to the cylindrical shaft by engaging the hooks of the elastic tongue pieces with the upper edges of the grooves of the rotor by the elastic force of the elastic tongue pieces.

Abstract: A barrel lock for locking various utilities devices such as valves, meters, or enclosures associated with the control or distribution of gas, water or electricity includes a shank with a single driven ball that can be forced radially outward from the shank to lock onto a cap-like retainer such that the utilities device is restrained between the retainer and an enlarged head of the shank. Preferably, only a single driven ball is used to concentrate the clamping force at a single point, thereby creating an exceptionally high clamping pressure. For even greater clamping force, an accurately and strategically positioned end stop allows a drive ball to push against the driven ball at an extremely shallow angle of attack while preventing the two balls from accidentally toggling over center and irreversibly locking up. The barrel lock has infinite variable adjustment in an axial direction to fit a wide variety of devices.

Abstract: An apparatus includes a rotatable device, which may be a keyless chuck, a keyless chuck adapter, a collet chuck, a collet adapter, a set screw bit retaining chuck, or a set screw bit retaining adapter. The rotatable device is configured to be mounted to a power tool for rotational driving of the rotatable device. The rotatable device is configured to receive a first bit device detachably mounted in the rotatable device for powering rotational movement of the first bit device. A generally cylindrical mounting section is defined on the rotatable device, which is capable of being rotatably driven by the power tool. The generally cylindrical mounting section includes at least one locking mechanism on it. The generally cylindrical mounting section is adapted for insertion in and engagement with a bit holding attachment.

Abstract: An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or second bit device can be used for drilling, fastener driving or for other operations, however the preferred configuration is use with a first bit device for drilling pilot holes and a second bit device for driving of a fastener into the freshly drilled pilot hole. The attachment (10) is easily detachably securable with respect to any chuck (14) or adapter (78) which has a rotating cylindrical surface (18) with a locking aperture (20) therein. A capping ring (52) may be positioned in an annular slot (42) to retain a resilient member (48) positionable within an annular groove (40) for facilitating biasing of a locking pin (44) into a locking aperture (20) on the rotatably driven cylindrical mounting surface (18).