Abstract: A rotatable connector for use with a truss in accordance with the present disclosure includes a sleeve and a connector end coupled to the sleeve. The sleeve engages with the truss in a fixed orientation. The connector end rotates relative to the truss to allow attachment with another connector of an adjacent truss in a variety of orientations.
Abstract: A regulating valve includes a valve body having a cylindrical portion, a valve stem inserted into the cylindrical portion and coupled to the valve body, and a locking member, in which the valve body includes a female screw including threads formed on an inner wall of the cylindrical portion and a plurality of first holes penetrating through an inner wall and an outer wall of a region of the cylindrical portion, the region having no threads of the female screw, in which the valve stem includes a male screw having threads formed on a surface close to the other end of the valve stem and at least one second hole formed in a region of the surface close to the other end of the valve stem, the region having no threads of the male screw.
Abstract: A sealed greasable swivel connector for underground use in directional drilling operations. The swivel connector has first and second swivel heads with pulling eyes. The first swivel head is pressfit into a tubular member and welded in place. The second swivel head is welded to a bolt in a bearing arrangement which is sealed with a bushing in the tubular member and allows for rotational movement between the first swivel head/tubular member and second swivel head/bolt. A zerk fitting is provided in first swivel head for flushing any drilling mud through the bushing that may find its way into the connector out of the tubular member.
Abstract: A prosthesis for primary artrodhesis can be used for artroplasty and a prosthesis for artroplasty comprises members for artrodhesis. The prosthesis (1b) for primary artrodhesis comprises a locking member (33b) with an attachment portion (16b) which is insertable into a hole (8b) in a first attachment member (4b) of the prosthesis for location of the locking member therein, and a lockable member (34b) integral with a second attachment member (5b) of the prosthesis. The lockable member (34b) is configured for adjustable setting thereof relative to the locking member (33b) and for fixation thereof, in set position, to the locking member. Alternatively, the lockable member comprises an attachment portion which is insertable into a hole in the second attachment member for location of the lockable member therein.
Abstract: A link assembly between an engine and a gearbox includes a male link coupled to the engine or the gearbox, a female link coupled to the engine or the gearbox, wherein the female link receives the male link to allow translation of the male link relative to the female link and to form a radial interface, wherein the radial interface dampens translation of the male link relative to the female link, and a pin releasably coupled to the male link and the female link to selectively retain the male link and the female link.
Abstract: Portable, compact hanging systems that enable a person to hang items from a wide variety of different objects and surfaces in order to free their hands for other activities are described. The hanging systems include hook and gated-loops systems composed of a hook connected to a gated loop by way of a rotatable hinge that provides multiple degrees of freedom. Hanging systems also include double hook systems that are connected by flexible joints for convenient storage and expansion into unfolded configurations when in use.
Abstract: An insert/outsert assembly for an arrow. The insert includes a cylindrical body having first and second ends. The second end of the insert is dimensioned to fit within the bore of an arrow shaft. The first end includes a prong containing male threads. The outsert includes a cylindrical wall with an arrowshaft end and an arrowhead end. A center bore extends between the arrowshaft and arrowhead ends. The center bore contains a threaded region with female threads located intermediate of the arrowhead end and arrowshaft end. The insert is threadedly connected to the outsert. An arrowhead is threadedly connected to the outsert.
Abstract: A downhole drilling apparatus includes an assembly having a longitudinal axis, wherein an output shaft of the assembly extends axially through a housing. A bearing assembly has first and second races, wherein a first set of bearing elements are disposed at a first angle relative to a top surface of the first race and a second set of bearing elements are disposed at a second angle relative to a top surface of the second race. The output shaft extends from an outlet of the housing at the angle defined by the bore.
Abstract: A holding device for medical instruments with a bracket on which at least one medical instrument can be affixed and with at least one joint to position the bracket and/or the medical instrument, so that the at least one joint is configured as a ball and socket joint that is equipped with at least one bearing shell and one pivot ball and whose pivot angle around the longitudinal axis of the joint is restricted by a pivot guard. The pivot guard is positioned inside the pivot ball to provide a holding device for medical instruments whose pivot guard allows for a compact structure of the ball and socket joint.
Abstract: A quick release locking assembly includes at least one lock conduit having a lock conduit interior, at least one release conduit having a release conduit interior and a lock spring having at least one spring arm communicating with the lock conduit interior of the lock conduit and the release conduit interior of the release conduit.
Abstract: A rotating connector that is particularly suitable for staging and lighting trusses and that includes a rotating connector and an inside sleeve having at least two portions. The combination of the rotating connector and the sleeve are held together by an outside sleeve, and the assembled sleeve is attached to a truss member.
June 25, 2010
Date of Patent:
February 4, 2014
Tomcat USA, Inc.
Harry William Todd, IV, Bradley Wayne Barnhill
Abstract: A monitor support assembly having an internal cable raceway. The support assembly includes a pole mount that can be secured to a desk or table top or to a vertical wall or furniture panel, a rotatable knuckle joint at the upper end of the pole mount, and a quick-release mount for a monitor or other peripheral device. The assembly may also include nonarticulatable and vertical members, connected to each other and to the pole mount with knuckle joints that include internal sleeves. One or more cables, with plugs attached, can be inserted into the cable raceway and joints without disassembling the monitor support. The assembly may have interchangeable parts to provide different lengths for the nonarticulatable and vertical members.
Abstract: A lifting-adjusting assembly for a shaft has an outer device, an inner device and multiple positioning elements. The outer device is adapted to mount around a shaft and has a base and a mounting casing. The mounting casing is mounted around the base and has a chamber, an opening and a cone surface. The inner device is movably connected to the outer device and has a moving mount and at least one spring. The moving mount is movably mounted in the outer device and has a mounting chamber, a pressing segment and multiple positioning holes. The at least one spring is mounted in the chamber to enable the positioning holes to face to the cone surface. The positioning elements are mounted in the positioning holes of the moving mount and abut with the cone surface and the shaft to hold the lifting-adjusting assembly on the shaft.
Abstract: An adjustable arm supports a device housing with respect to a base and allows the position of the device housing to be adjusted as desired. The adjustable arm has rigid segments joined by pivot joints, with passages therethrough to allow wires to be strung through the arm segments and joints so as to be shielded by the arm. At least one joint is a dual-pivot joint having two joint elements that rotate with respect to each other about a joint pivot axis, each joint element in turn being pivotably attached to an adjacent arm segment.
Abstract: An articulating joint for supporting a medical or dental light having a first mounting post rotatably couples the light to a support structure having a second mounting post. The articulating joint includes a joint body having first and second terminal ends. A first bearing and a first brake are located proximate the first end for receiving and frictionally engaging the first mounting post. The joint body may further include a second bearing and a second brake proximate the second end for receiving and frictionally engaging the second mounting post. The articulating joint further includes a cover that is removably coupled to the joint body over at least the first bearing and the first brake.
Abstract: A mobile platform is provided. The mobile platform includes a interior overhead structure and at least one compartment rotatably coupled to the interior overhead structure. The compartment is rotatable into an opened position and a closed position. The mobile platform further includes a pivot system coupled to the interior overhead structure and the compartment to enable the compartment to rotate into the opened position and the closed position. The pivot system comprises a first fitting that defines a raceway and a second fitting that defines a hub and a guide. The hub of the second fitting is for engagement with the raceway and the guide directs the first fitting into the second fitting to couple the first fitting to the second fitting.
May 10, 2010
Date of Patent:
April 3, 2012
The Boeing Company
Chad D. Schmitz, Michael S. Haynes, Nelson J. Jeyarajah, Michael J. Malkinson, Christopher S. Pugh
Abstract: A swivel for connecting a fishing line to fishing lure or other terminal tackle having a main body with one open end and cavity running through the axis of for inserting a coupler into. a rod of which has an eyelet on one end and head on the opposite end which is larger than said rod shaft yet small enough to fit into said main body cavity. Two neodymium ring magnets and rubber ring washers which fit onto said rod and are inserted into said main body cavity after which a male compression fitting is inserted into said main body cavity and compressed over ridges on the end cap securing all parts within said main body. The rod shaft spins freely within by using the opposing magnetic poles of the neodymium ring magnets as an air bearing which creates zero friction from moving parts removing any possibility of swivel seizure due to ball bearings wearing out which is common with bearing swivels.
Abstract: A joint mechanism includes a first rotary unit and a second rotary unit. The first rotary unit includes a base and a first joining end. The first joining end defines a first chamfered rim. The second rotary unit includes a second joining end to join to the first joining end. The second joining end defines a second chamfered rim. The first chamfered rim and the second chamfered rim cooperatively form a slanted groove. The groove communicates with an outside of the first and second rotary units and has an opening facing the base.
Abstract: A connection arrangement for connecting drive shafts of a wind turbine including a rotor having a rotor shaft and a hub, and a gearbox having a gearbox input shaft is provided. The connection arrangement includes a first shaft connection means having a recessed portion arranged at the rotor shaft symmetrically to the axis of the rotor shaft, a second shaft connection means having a protruding portion arranged symmetrically to the axis of the gearbox input shaft, wherein the protruding portion of the second shaft connection means engages with the recessed portion of the first shaft connection means, and a fixing means for fixing the protruding portion of the first shaft connection means at the recessed portion of the second shaft connection means. A frictionally engaged connection is provided.
November 26, 2008
May 27, 2010
Edwin Hidding, Christian Becker, Yvo Blokhuis, Scott Thomason
Abstract: A pin has a shank with a spherical lead-in portion at the free end thereof. The spherical lead-in portion has a diameter that is equal to or slightly less than the diameter of a cylindrical portion of the pin. The purpose of the spherical lead-in portion is to allow a greater portion of the pin to enter a matching hole before further alignment of the centerlines of the pin and the hole is required. This makes aligning the centerlines significantly easier and reduces wear on the structure defining the matching hole. A relief portion following the spherical lead-in portion as well as a chamfer following the relief portion aid in the final alignment.
March 14, 2006
Date of Patent:
May 25, 2010
Deere & Company
Robert Martin Faith, Steven Jay Ditzler
Abstract: An exemplary rotatable joint (100) includes a socket (10), a rotatable arm (20), and a connecting device (30) configured for being mounted in the socket. The connecting device includes a sub-socket (31), two elastic sleeves (33), and two pivot shafts (35) fixed to the socket. The sub-socket includes a first half (311) and a second half (312). A pivot hole (315, 316) is defined in each of the first half and the second half for engaging with an outer surface (331) of one of the elastic sleeves. An outer surface (351) of each of the pivot shafts engages with an inner surface (332) of one of the elastic sleeves. A through hole (317) is defined in the sub-socket for rotatably engaging with the rotatable arm. Each of the elastic sleeves abuts the rotatable arm.
December 20, 2007
Date of Patent:
March 2, 2010
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
Abstract: A ball stud having a ball at one end of a rod-shaped stud. The ball stud comprises: a metal plating film formed on the surface of the stud; and a trivalent chromate film continuously formed over both the surface of the metal plating film formed on the stud and the surface of the ball, whereby rust is inhibited in the boundary of the metal plating film. An externally threaded portion is also coated, if formed in the ball stud, on its surface with the metal plating film and the trivalent chromate film.
Abstract: A fitting for a terminal connection in a core-adjuster assembly has a generally annular isolator with a generally central bore defining a connector pin socket and a reverse clip cap socket, and a reverse clip cap configured to be received substantially concentrically by the reverse clip cap socket of the isolator and defining a connector pin end socket.
Abstract: Certain embodiments of the present invention provide a stackable mount assembly that includes indexing and/or locking features. The stackable mount assembly includes a plurality of mounts. Each mount includes a hub and a fastener. Indexing features prevent the hub from freely rotating about the fastener, but allow the hub to index or rotate about the fastener at an index angle. The locking features prevent the hub from rotating about the fastener, locking the hub in a desired position and/or orientation.
Abstract: An exemplary joint mechanism (100) includes a pivot shaft (10), a joint (20), a rotary arm (30), and two bearings (50). The pivot shaft (10) is non-rotatable relative to the joint (20). The joint (20) is received in the rotary arm (30). The rotary arm (30) is rotatable relative to the joint (20). The two bearings (50) are fixed to an inner surface of the rotary arm (30). Each bearing (50) includes a concave inner surface, and the concave inner surface is engaged with a curved outer surface of the joint (20).
Abstract: An idler arm bracket bearing includes a plurality of inwardly extending fingers to contact the bracket. The fingers deflect toward the bearing body as the fingers contact the bracket, thereby ensuring a full contact fit that provides a tighter joint assembly. Rib members are located between the fingers to center the bracket and limit the resilient deflection of the fingers.
Abstract: An adjustable suspension member of a vehicle suspension system is adapted for supporting a frame of vehicle. The suspension member interconnects first and second components of the vehicle, and enables movement of the first component relative to the second component when the vehicle is in motion. The suspension member includes an elongated swivel link assembly having first and second opposite ends. The first end is operatively connected to the first component of the vehicle, and the second end is operatively connected to the second component of the vehicle. The link assembly swivels about a longitudinal axis defined by the suspension member. The swivel range is greater than 45 degrees.
Abstract: A swivel assembly for connecting a load such as a television receiver to a support includes a swivel stem having a cylindrical head, a reduced diameter cylindrical middle body, and a mounting base. The stem is supported by a retainer assembly including thrust washers engaging the top and the bottom of head. An adjustment is provided for maintaining the thrust washers securely engaged with the head of the stem.
Abstract: A fastener for joining two pieces of rebar together in a rebar grid used to reinforce subsequently poured concrete is described. The fasteners include two clamp pieces that in certain embodiments completely wrap around a piece of rebar and are tightly secured thereto. Further, each clamp piece can swivel or rotate up to 360 degrees relative to the other clamp piece such that two rebar pieces intersecting at any angle can be coupled together.
May 21, 2004
Date of Patent:
July 10, 2007
Jiffy Clip, Inc.
John Michael Carraher, Terry Daniel Newton
Abstract: In one aspect, the present invention is a system for rotatably coupling a shaft to a housing. The system includes a selectively rotatable shaft coupler that connects a shaft to a housing that allows a limited amount of shaft rotation, but which sets a restriction on the maximum amount of shaft rotation. In another aspect, the invention provides a shaft coupling system for connecting a proximal end of an endoscope shaft to a housing without the use of adhesive or epoxies.
Abstract: A clamp system for attaching accessory devices to a railing structure includes a first clamping jaw member and a second clamping jaw member designed to clamp on a railing structure. An accessory mounting device includes a cylindrical collar portion with a plurality of diametrically aligned holes arranged around the circumference. One of the clamping jaw members has an opening, sized to receive the collar portion and one pair of holes that can be aligned with the holes of the collar portion. When the mounting device is in a desired orientation, a pin is inserted through the aligned holes to hold the orientation. A locking nut is mounted on a threaded portion of the collar portion and, when tightened, tends to withdraw the collar portion against the pin, firmly securing the assembly together.
Abstract: An omni-positional hoist ring wherein a shackle member is pivotally attached to a rotationally mounted lift body, the lift body is rotationally mounted on a flanged bushing, and the flanged bushing is mounted on a screw. Torque is applied to the screw by applying force to one or more axially projecting lugs. The lugs may be positioned on a collar that surrounds and is keyed to a mounting stud, or to a bar nut that is located on the distal end of mounting stud. A boss may be provided surrounding the axial bore of the collar. The purpose of the boss is to space the lifting fixture away from the axially projecting lugs on the radially outer periphery of the collar. When the axially extending lugs are on the outer periphery of a collar, torque is conveniently applied by striking the upstanding lugs with, for example, a hammer. Lugs on a bar nut a conveniently positioned to receive torque from a bar that is projected laterally between the lugs.
Abstract: A caster wheel assembly for a wheeled device, such as a wheelchair, includes a housing suitable for connection to a wheeled device, a caster fork configured to mount a caster wheel for rotation, and a caster bolt connected to the caster fork and inserted into the housing for rotation within the housing. Also included is a damping insert applying a biasing force between the caster bolt and the housing to dampen the rotation of the caster bolt with respect to the housing.
Abstract: An adjustable support apparatus for, e.g., supporting an instrument. The adjustable support apparatus may include a supporting member, an adjustable member engaging with the supporting member, a fastening member engaged with the adjustable member and an elongated member engaged with the adjustable member and adapted to interact with an instrument.
Abstract: A joint having a metal or plastic core and a metal or plastic outer shell. The core has two studs extending in a direction of an axis of rotation and arranged vertically at 180° from each other. The outer shell consists of two half shells, each having a reinforcing segment. A bore with a bore base is provided on each reinforcing segment. Two cup-shaped elastomeric pads are located between the core and the outer shell and are insulated from one another. The elastomeric pads surround the studs which penetrate the bore in the reinforcing segments. A ratio of the stud diameter to the pad thickness is specified.
Abstract: A chuck includes a generally cylindrical body member having a forward section and a rearward section. The rearward section is configured to mate with a manual or powered driver. A plurality of angularly disposed passageways is formed in the forward section of the body and intersect an axial bore formed therein. The body defines a ledge portion about its outer circumference and a front face transverse to the longitudinal body axis. One of a plurality of jaws is slidably positioned in each passageway. A nut is rotatably mounted to the body rearward of the ledge portion so as to engage the jaws. A generally cylindrical sleeve engages the nut and includes a flexible protrusion extending axially rearward from an inner circumferential surface of the sleeve proximate the sleeve forward end. The protrusion has a tab portion disposed rearward of the ledge portion and projecting radially inward of the outer circumference of the ledge portion to prevent forward axial movement of the sleeve with respect to the body.
Abstract: A control rod for an aircraft actuator system. The control rod incorporates a swivel insert to create a rotatably connected rod end. The swivel insert comprises a longitudinal bore for introduction of a rod end shaft. The rod end shaft has a circumferential groove that aligns with radially extending bores in a threaded portion of the swivel insert. Ball bearings are placed into the radially extending bores and the swivel insert is threaded into a tube having an internally threaded bore and a counter bored entrance portion. Once the swivel insert is threaded into place, the ball bearings are captured in the radially extending bores between the counter bored entrance portion of the tube and the circumferential groove. The rod end is thus free to rotate but is rotatably attached to the control rod.
Abstract: A bell crank assembly is mounted on an automotive door module of a vehicle that includes a panel. The panel supports a door latch assembly that includes a lock mechanism that is operated by a sill button and rod inside the vehicle that is located on the inner or dry side of the panel and moveable vertically with respect to the panel. The lock mechanism is operated by the sill button and rod via a generally horizontal rod that is located on the exterior or wet side of panel. The bell crank assembly connects the sill button rod to the exterior rod through an extruded hole in the panel. The bell crank assembly includes an inboard lever and an outboard lever. The inboard lever has an input end that is attached to the sill button rod and an output end. The output end has a round boss that fits in the extruded hole of the panel with a running fit to provide an axle for pivoting bell crank assembly with respect to panel.
Abstract: A connector for towing cable or conduit in which one head includes a socket for the mating reception and separation of an aligned matching projection presented by the other head with the opposed aligned surfaces of socket and matching projection in sliding fit, a spring-loaded ball assembly presented by one head such that only a minor portion of the spring-loaded ball protrudes beyond its opposed aligned surface to register within a matching groove formation in the opposed aligned surface of the other head, and a set screw regulating the spring-loading of the ball so that displacement of the ball from the groove formation and separation occurs only when the tensile load applied to the mating heads exceeds the load imposed upon the ball; and with one head including a swivel shaft providing a connection to the other head and supported for rotation therewithin upon a combination of dual thrust bearings at both ends including one or more of a three (3) piece needle bearing, a flanged Permaglide™ bearing or
Abstract: A pivot mechanism is arranged between a first portion and a second portion of an appliance. The pivot mechanism includes a first ring member, a first humpback bridge, a positioning base and a shaft. The first ring member is disposed on the first portion and having a first engaging element on the peripheral surface thereof. The first humpback bridge is disposed on the second portion and having a second engaging element on the top surface thereof, wherein the first humpback bridge is resilient and flexible. The positioning base is coupled with the second portion and having a first positioning hole.
Abstract: The present invention is a work support attachment for use with conventional hoists. The work support attachment comprises a top portion, a middle portion, and a lower portion. The top portion is secured to the conventional hoist device and the lower portion is adapted to be removably receiving an attaching element, such as a hook. This lower portion can rotate freely.
Abstract: A connector assembly for connecting an ultrasonic transducer to a transducer fixture of an ultrasonic inspection system. The assembly includes a male connector element including a protrusion having a circular cross section and a mount for connecting the male element to at least one of the transducer and the transducer fixture. The assembly also includes a female connector element including a recess sized and shaped for rotatably receiving the male element protrusion to releasably connect the male connector element to the female connector element and a mount for connecting the female element to at least one of the transducer and the transducer fixture. In addition, the assembly includes a fastener mounted on at least one of the male and female connector elements for releasably fastening the male connector element to the female connector element to retain the male element protrusion in the female element recess and to prevent the male element from rotating with respect to the female element.
Abstract: A toy building set comprising a plurality of building elements which each are provided with hinge parts, a first type of hinge parts comprising a substantially cylindrical rod-shaped shaft part of a building element, a second type of hinge parts comprising a claw device consisting of two elastic fingers extending outwards from a building element at a distance from each other, so that the two elastic fingers between them form a track which is narrowed at the distal end of the fingers with respect to the building element, so that the rod-shaped shaft part may be pressed into the track through the narrowed part of the track, said hinge parts additionally comprising a third type of hinge parts being provided with a shaft stud which has an external diameter corresponding to the thickness of the rod-shaped shaft part.
September 10, 2001
Date of Patent:
September 10, 2002
Kaj S. Mikkelsen, Hans Damgård Nielsen, Kim Pagel, Carsten RØN, Erik Fuglsang, Erik Bach
Abstract: A sheath clamp for a welding torch, comprising a sleeve (5) having a spherical head (3) adapted to be inserted into a seat in the torch and a flange axially spaced from the head, with a collar (9) slidably mounted on the sleeve (5), and means for urging the collar (9) along the axis of the sleeve in order to clamp a sheath (2), fitted over the sleeve (5), against the flange (4). Preferably the collar (9) is provided with at least one inwardly protruding tooth (10), preferably two inner opposed teeth, and the sleeve has a reduced diameter portion between the flange (4) and the spherical head (3), which is bounded by inclined raised walls (7) which can be engaged by the tooth (10) of the collar (9), so that rotation of the ring causes an axial displacement of the collar along the sleeve (5).
Abstract: A non-articulating joint assembly is disclosed having a bracket with a first generally cylindrical end that is received in a split-half bearing assembly that has a tapered outer surface. The tapered split-half bearing assembly matingly engages a tapered bore in the first housing of a socket. The tapered split-half bearing is slightly larger than the tapered inner bore to provide a radial pre-load on the assembly bearing. A cap bearing is located in the housing and engages the bottom surface of the tapered split-half assembly bearing. A closure member is located below the cap bearing and cooperates with a spring member and a rim of the first housing that is crimped over to securely hold the components in position and also provide an axial pre-load on the split-half bearing. Similarly, a second housing on the socket member has a second split-half bearing assembly and a second cap bearing assembly that receives a stud is provided. The stud includes a generally cylindrical end portion.
Abstract: Disclosed are improvements to a construction system based on genderless connectors. The improvements consist of elements that allow connection at an arbitrary angle in the same plane as a hub assembly. Additionally are disclosed elements that allow for the construction of spheres from planar circular hubs.
Abstract: A non-oscillating joint assembly is disclosed having a bracket with a first end having a tapered bearing portion and a flange located longitudinally upwardly of the tapered bearing portion. The bracket is received in socket member having a first housing. A cap bearing is located in the housing and has a tapered inner bore that matingly engages the bracket tapered bearing portion. The tapered bearing portion is slightly larger than the tapered inner bore to provide a radial pre-load on the cap bearing. An annular bearing is also located in the housing and is positioned so as to contact an upper surface of the flange. A closure member is located below the cap bearing and cooperates with a rim of the housing which is crimped over to securely hold the components in position and also provide an axial pre-load on the cap bearing. Similarly, a second housing on the socket member has a second end cap bearing and a second annular bearing that receive the stud.
Abstract: A socket pivotally retains the end of a rod that is inserted axially into the socket from either axial direction comprises a lever and two annular retaining clips. One clip is inserted into a hole in the lever from one side and the second clip is inserted into the first clip from an opposite side. The second clip has two sets of fingers at opposite ends that have lugs that engage an internal collar of the first clip to retain the clips in assembly with the lever. The second clip also has two more sets of finger at opposite ends that have catches that engage indents in the rod end to retain the rod end in the socket. The catches and indents are shaped so that the rod end can be inserted into the socket from either axial direction and retained in the socket irrespective of the axial direction of insertion.
February 2, 1999
Date of Patent:
September 12, 2000
Delphi Technologies, Inc.
Thomas Adam Dzurko, Frank Joseph Arabia, Jr., Donald Michael Perkins
Abstract: A hook assembly for a vacuum cleaner handle which has a base member formed in the handle with a continuously internally walled extension defining an opening into which a continuously externally walled extension of a hook member can be inserted so that portions of the externally walled extension engage portions of the internally walled extension so that loads applied to the hook are transmitted to the handle through those surfaces. A spring normally biases the surfaces together, but can be manually overcome to rotate the hook for easy removal of the cord. A double hook arrangement is also provided to support a vacuum hose and an electrical cord with similar interengaging surfaces to transmit the load.
Abstract: A locking device for tent poles capable of achieving a firm and easy coupling to poles and easily and conveniently replacing a broken pole piece without replacing the entire pole including the broken pole piece. The locking device includes a mushroom tip member having a fitting portion fitted in one end of a tent pole, a V-shaped longitudinal groove formed on a peripheral surface of the fitting portion of the mushroom tip member, a guide groove formed on the peripheral surface of the fitting portion of the mushroom tip member in such a manner that it crosses the longitudinal groove, and a protrusion radially inwardly protruded from an inner surface of the pole piece corresponding to the end of the tent pole. The protrusion is engagable in both the longitudinal groove and guide groove at the cross point between the longitudinal groove and guide groove.