Abstract: In a bearing body for support of a tiltable section of a component, the bearing body includes a front body part (10), a rear tap (11) and a locking device (12), the part (10) and tap (11) being held by the locking device (12) in their position relative to one another.

Abstract: A method of assembling a chair back onto a chair bottom by providing a back portion of material having first and second end portions insertable into the chair bottom, boring a hole longitudinally into the ends of the back members, providing a bore transverse to the longitudinal bore on each of the end portions of the chair back, inserting peg member into the transverse bore, the peg member further including a threaded bore which aligns with the longitudinal bore when the member is positioned therein, providing a bolt member insertable into the longitudinal bore from the underside of the chair bottom and threadably engaging the peg member inserted therein, and threadably tightening the bolt member so that as the bolt member is tightened the chair back end portions are fulled in engagement with the chair bottom.

Abstract: The component assembly (100) serves in a free from play connection of two components (1, 2) by a radially-expandable, conical clamping system (10) arranged in aligned bores (5, 6) of the first component (1) and the second component (2). The clamping arrangement (100) is intended to be clamped and released if inserted into a blind bore (5) of the first component (1). For this purpose, the outer sleeve (14) of the conical clamping system (10) has at one end a radial circumferential projection (17) that rests axially against the outside of the second component (2), while the other end of the outer sleeve (14) is cylindrical throughout and has a diameter that corresponds to the diameter of the bore configured as a blind bore (5) in the first component (1), and a coaxial threaded bore (7) is provided in the bottom (8) of the bore (5), the threaded bore having a smaller diameter than a through bore (12) that is present as a through bore (12) in the conical clamping system (10) and receives the clamping bolt (22).

Abstract: A connector comprising a body having a body central bore defining a body axis, one end contoured to conform to a surface of a support member, and another end shaped to coaxially abut a free end of a hollow member. An expansion element is carried by the body for close entry into the hollow member when the body and the free end abut. A drive element passes through the body central bore and has one end adapted to engage the support member, and another end engaging the expansion element, to impart a radially outward force component to the expansion element as at least a portion of the drive element is drawn toward the one end of the body. The expansion element can be in the form of resilient fingers cantilevered from the body into the hollow member, and the drive element can be a wedge member drawn by a bolt, toward the one end of the body, for urging the resilient fingers outwardly.

Abstract: A servo-member includes a rigid body having first and second opposed planar surfaces. A hub is formed on the first surface. A first keyed bore is formed in the hub and terminates at an annular seat. The first bore has a first diameter. A recessed circumferential groove is formed in the first bore adjacent the seat. The groove has a second diameter which is greater than the first diameter. A counterbore is formed in the second surface. The counterbore is separated from the first bore by the annular seat. The seat includes an opening which passes through the seat and interconnects the first bore and the counterbore.

Abstract: Plate fastener for connection of two or more sections positioned essentially perpendicular to each other, in which the plate connector is applied to the front side of the first section or first group of sections and is fastened in a groove of the second section or second group of sections, in which the plate connector has centerings that are shape-mated in the grooves of these sections in the assembled state.

Abstract: A dental chair attachment for supporting an implement such as a light assembly, a hand piece delivery device or other device. The attachment is arranged for the pivotal movement of the implement about a supporting post. The attachment is arranged so that the periphery of the post is not in contact with the pivoting member of the implement. Upper and lower collar bases secured to the post support an inner sleeve that has an internal diameter larger than the diameter of the post. An outer sleeve which supports the pivoting member is rotatively mounted to the inner sleeve. The pivoting member including the outer sleeve, as it pivots, does not contact the periphery of the supporting post. Resilient rings of the upper and lower collar bases are forced radially inward against the periphery of the post to secure the attachment to the post.

Abstract: The invention relates to a cabinet for receiving electrical and electronic equipment and subassemblies with facing parts, which comprises a frame of vertical, horizontal and transverse sectional bars interconnected by means of corner connectors.In order to obtain a particularly stable and secure cabinet, which also allows an extremely efficient manufacture and assembly, each corner connector is provided with through holes and guide elements constructed in the space coordinate direction for frontal reception and for the easy, reliable fixing of a sectional bar. In addition, each corner connector has a reception area for fixing a base. The base corner parts are preferably made from a one-piece, metallic flat material.

Abstract: A piece of furniture includes an upright post, a horizontal rail, and a fastening unit. The upright post is provided with a coupling base having a parallel pair of side walls and a connecting wall that interconnects the side walls and that inclines inwardly and downwardly such that side walls and the connecting wall cooperatively confine a vertical engaging groove which tapers downwardly. The horizontal rail includes an upper rail member and a lower rail member mounted on a bottom side of the upper rail member. The upper rail member is provided with a tongue unit which extends downwardly into the vertical engaging groove. The tongue unit has a parallel pair of flanges confined between the side walls and an inclining wall that interconnects the flanges and that is superimposed on the connecting wall. The lower rail member is provided with a support unit which includes a parallel pair of abutment walls and a vertical wall which interconnects the abutment walls.

Abstract: A wiper arm for cleaning the windscreen of an automotive vehicle. The wiper arm includes a fastening component which is provided with a receptacle for a wiper shaft, which receptacle is integrally molded to a sheet metal component forming a back and is flanked by side walls connected with the back. The receptacle, back and side walls are integrally molded in one piece to the fastening component, a flat construction and, simultaneously, a capacity for transmitting high torques are achieved in that the edges of the deep-drawn fastening component or rather the edges of the receptacle and of the side walls point towards the windscreen of the vehicle.

Abstract: Tube mounted bracket structure for a toolbar or similar tube with a rectangular cross section includes a bracket having a tube abutting flange with an aperture offset from an elongated slot. A rotatable insert has an inwardly directed and elongated projection conforming to the shape of the elongated slot and an aperture located at one extremity of the projection. The aperture extends through the projection and through an integral washer portion which defines an enlarged shoulder area for contacting the tube abutting flange when the insert is positioned in the slot. The elongated projection generally fills the entire slot with the exception of the aperture, thereby presenting a relatively solid bolt receiving area for mounting a U-bolt or similar bolt structure. For a toolbar or tube having relatively large cross section, the insert is positioned in the slot to provide maximum offset from the flange aperture.

Abstract: An assembly block and system for connecting a plurality of bars. The block has a cross-section which is the same size as the cross section of the bars. A plurality of holes are formed in the block and cutouts extend from the holes to sides of the block. The bars can be coupled in various configurations by screws which extend through the holes formed in the block. The block does not extend outside of the dimensions of the bar in cross-section.

Abstract: A securing structure for a stand of keyed instrument having a pair of side plates supporting a main body of the keyed instrument and a back plate spanned between the side plates and reinforcing them, the side plate and the back plate are interconnected by a screw through a securing plate with one end face of the back plate being abutted against a side face of the back plate being abutted against a side face of the side plate, the side plate has, at the side face thereof, a through aperture through which the screw can pass, the back plate has, at the end face thereof, an insert aperture corresponding to the through aperture, and at the side face thereof, a communicated aperture communicating with the insert aperture in a substantially octagonal direction relative to the insert aperture, the securing plate has a securing portion loosely inserted into the communicated aperture and having a threaded hole aligned with the insert aperture when the securing portion is inserted into the communicated aperture, and an

Abstract: A guided cylinder wherein a yoke (B) for bridging diagonally opposed guide rods (A) has connection thereto by means of first enlarged aligned abutments (C) adjacent upper ends of the guide rods to provide a mounting as well as flats for securely holding guide rods while affixing the yoke and thereafter providing a stable mounting for the yoke. The yoke has second abutments (E) integral with the first abutments for receiving threaded fasteners (D), having a lesser cross-sectional area extending upwardly into recesses therefor carried in the yoke to eliminate lateral movement as may result in misalignment of the guide rods.

Abstract: An improved fastening system is provided for anchoring a post to a foundation, in which the fastening system is received and completely concealed within a recess formed between the post and the foundation. The fastening system of this invention also provides for an improved method for installing a post, by which the post is threadably secured to the foundation by being rotated relative to the foundation. The fastening system includes a first member securable to a lower surface of the post, and a second member securable to a surface of the foundation. Both the first and second members have a threaded bore therethrough, and are sized to have widths which are less than the diameter of the post. A threaded stud is threadably engagable with the threaded bores of the first and second members. For installation, the recess is formed in the lower surface of the post, the upper surface of the foundation, or both, so as to be sufficiently sized to receive the first and second members and the threaded stud.

Abstract: A timing sprocket is secured to a camshaft by a locking coupling so that before the coupling is tightened the sprocket will free wheel on the shaft for adjustment purposes and yet be firmly supported against tipping under load, and when tightened the sprocket is locked to the camshaft. The sprocket has a bore fitting on the shaft and a counterbore accommodating a longitudinally split locking ring. A taper between the bore and the counterbore matches a taper on the end of the locking ring. A bolt axially threaded into the camshaft end moves the locking ring from the loose condition where the sprocket can rotate on the shaft to a tight condition where the tapers compress the ring against the shaft and clamp the sprocket for rotation with the camshaft.

Abstract: A metal connector and a jointing structure with which two members are jointed to each other with a sufficient fastening strength which can be grasped quantitatively. The metal connector comprises a metal connector body attached to a first one of the members and including a bottom plate and a core plate which has a window hole formed therein. A bolt is mounted on the core plate and extends into the window hole with a spacing left in the window hole. The other second member has a fitting recess formed therein in which the bottom plate and core plate of the metal connector body are received, and further has a working window hole formed therein.

Abstract: A jointing structure for connecting a horizontal first member with a vertical second member via a metal connector body by a simple operation requiring little or no horizontal movement of the first member, and wherein the two members are connected with a quantitatively determinable and sufficient fastening strength. The metal connector body includes a bottom plate and a vertically attached core plate, the core plate having a threaded hole formed at an end face thereof, an opposite end face of the metal connector body being provided with a mounting plate which is secured to the second member. A fitting recess is formed in the first member, as is a working window hole disposed outwardly of the fitting recess.

Abstract: Disclosed herein is an outboard motor comprising a propulsion unit including a first member movable vertically to actuate a transmission in response to such vertical movement, a second member rotatably supported by the propulsion unit and adapted to be rotated by an operator either directly or indirectly, and a connection for detachably connecting the first and second members to effect vertical movement of the first member in response to rotation of the second member, which connection includes an aperture in the first member, a stud fixedly extending from the second member for movement in common therewith and received in the aperture, a resilient member fixed to the second member for movement in common therewith and including a part movable relative to the second member between an interfering position wherein the part is engagable with the first member to prevent withdrawal of the stud from the aperture and a spaced position affording removal of the stud from the aperture, a tab connected to the resilient mem

Abstract: A fastener for affixing a mounting track to a wall of a switchbox includes a retainer block for supporting a mounting track, the retainer block having a cross-sectional size and shape generally conforming to that of the interior cavity of the track. The retainer block includes a stop plate formed on a retainer block face, the stop plate covering the end of the mounting track when the retainer block is supporting the track. A fastening bore is formed in that end of the retainer block facing the stop plate and a sealing stay or rib is disposed on the retainer block to encircle the fastening bore.

Abstract: Speed reducer, such as a screw conveyor drive, adapted to receive a shaft within a tapered sleeve. The shaft includes a tapered portion adapted for engagement with the corresponding tapered portion of the sleeve on one side of the housing when the shaft is inserted into the bore. On the other side of the housing, a split bushing is provided for receipt within the sleeve, the split bushing including a tapered surface for mating engagement with the tapered surface on the sleeve. A retainer plate is provided that is adapted to be placed on the end of the shaft extending through the bore. The retainer plate has a center hole for receipt of a capscrew through the retainer plate and into the shaft to securely maintain the shaft in place. The retainer plate further has a plurality of holes dimensioned so that the head and shank of screws may extend therethrough and a plurality of holes dimensioned so that only the shank of the screws can extend therethrough.

Abstract: An adjustable, resettable fixed mount for a hologon laser scanner disc or spinner provides perpendicular angular orientation of the hologon disc relative to the motor rotation axis within about 5 to 10 arc seconds and corresponding wobble angles as compared to 20 to 40 arc seconds for hologon discs mounts in dynamic mounts or rigidly with fixed, hard mounts which have heretofore been proposed and used. The improved mount is a fixed hard mount which is nevertheless adjustable. It may be implemented by a connecting assembly having a hub with a spherical bearing which allows perpendicular angular orientation of the hologon about a plane perpendicular to the motor drive shaft on which the spherical bearing is mounted. A retainer cap has a plurality of angularly spaced adjusting screw members which change the perpendicular angular orientation of the disc relative to the motor rotation axis. Alignment is performed while the hologon is not rotating.

Abstract: A device for coupling the detachable connection between a driving shaft of an engine and a driven cylindrical hub of a generator wherein the engine and generator are provided with collar members having corresponding annular flanges which are detachably clamped together by a ring formed from two pivotal clamping halves.

Abstract: A component carrier for circuit boards equipped with electrical and electronic components and insertable on guide rails has two parallel side walls as well as four front and rear module rails which connect the side walls and support the guide rails. In order to prevent twisting of the module rails relative to the side walls and permit accurate assembly, the side walls are provided, for the fastening of the module rails, with groups of fastening elements in the form of holes and with pins that project toward the interior. Each one of these groups of fastening elements has four fixing pins that are disposed in the corners of a rectangle and form two pairs and each group additionally has an associated fastening hole. The profiles of the module rails here engage matingly into the space between each pair of fixing pins.

Abstract: In the preferred form a locking plate comprises a small rigid sheet of metal having a longitudinal axis of symmetry along which a generally rectangular central aperture extends. The central aperture has transversely opposed internal side edges and longitudinally opposed arcuate end edges. The central aperture defines a pair of spaced apart longitudinal side straps bent upwardly from the plane of the locking plate and a pair of spaced apart transverse arcuate end bases. Each base plate is formed with an arcuate slot with the slots having a common center of curvature located at the axis midpoint and subtending a predetermined central angle. The central aperture internal side edges juxtaposed diametrically opposite side flanks of the hex-head enabling a fastener to be received in each arcuate slot and an underlying one of a pair of diametrically opposed threaded bores so as to lock the hex-head in its tightened position.

Abstract: A push broom including a handle and a brush block assembly characterized by latching means in the form of a metal plate cooperating together with the handle and the brush block to maintain the handle in the sturdy and properly interlocked position to the brush block so as to eliminate loosening or falling out of the handle.

Abstract: The improved joinery system provides a concealed means for connecting two or more wooden members at a variety of angles.Each connection consists of a short tenon on one member being inserted into a shallow mortise in the second member and having a bolt passing through one member into the second member where it threads into an anchor nut. The anchor nut is a metal rod with one or more threaded holes for bolt insertion. The anchor nut is held in place within the member in correct alignment by means of a pressed in sleeve through which the bolt passes when inserted to complete the connection. Wooden plugs may be used to fill anchor nut and bolt counterbores to fully conceal fastening hardware.A Belleville disc springs may be used btween bolt head and flat washer to maintain joint tightness during wood shrinkage.

Abstract: The tool for permitting a wrench to turn a harmonic balancer and crank shaft connected to the same. The tool employs a base which may be fixed to the harmonic balancer. The base includes an opening bored through the base to form a cavity. The cavity includes wall portions having a faceted surface and a threaded surface spaced from one another. The threaded member engages the threaded surface of the cavity and extends through the opening into engagement with the crank shaft.

Abstract: An insert for a hollow rotatable shaft on the end of which an impeller is mounted, the insert having a first cylindrical portion receivable within the end of the shaft. The insert includes a radially extending portion adjacent the end of the shaft having an annular wall including radially inner and outer surfaces for engaging tightly similar surfaces in a recess formed in the impeller to provide inner and outer pilot surfaces. The insert also includes a tubular extension which is received within a bore in the impeller, the tubular extension having spaced longitudinally extending slits for permitting the extension together with radially extending hook-like tongues thereon to be received within radial slots in the bore of the impeller to lock the impeller to the insert.

Abstract: The present invention relates to a tool for metal cutting, said tool in working position preferably rotating around its longitudinal center axis, and that the tool comprises a cutting body (10;10a;10b;10c) and a shaft (12;12a;12b;12c), that supports the cutting body (10;10a;10b;10c).The aim of the invention is to solve the problem to design milling, drilling and turning tools of small dimensions having exchangeable cutting edges.The present invention is characterized in that the cutting body of the tool is designed as a uniform body comprising integrated cutting edges. By means of a locking screw (11; 11a;11b;11c) the cutting body (10;10a;10b;10c) is detachably fixed in the shaft (12;12a;12b;12c).

Abstract: There is provided a pivotally mounted hull-engaging roller system for a roller trailer for facilitating loading and unloading a boat and assuring efficient support of a boat loaded thereon. The pivotal mounting permits the hull contacting elements or rollers to tilt inwardly without the need for any particular tilting capability. The hull-engaging rollers of the invention are supported on the trailer crossbars by an improved bracket having the capability of effectively supporting the crossbars for pivotal movement relative to the trailer side booms. The improved roller mounting structure disclosed herein accommodates a variety of various designed craft hulls.

Abstract: A bolt connection for connecting a hollow profiled member to a profiled member disposed transverse thereto where connection by welding is inadequate. A plate-like member that is resistant to bending is displaceably supported at one end against the inner surface of the hollow profiled member, and is supported at the other end against an abutment that is disposed remote from the aforementioned inner surface. The length of the plate-like member is slightly greater than the inside height of the hollow profiled member. The bottom of the hollow profiled member is preferably supported on a projection of the other profiled member. The abutment is preferably disposed at the top with the displaceable end of the plate-like member being at the bottom. By tightening the bolt that acts upon the plate-like member, a tight, releasable connection is provided.

Abstract: An improved manually operated striking tool such as a pick, axe, hammer, sledge, or maul is made from a metal handle and an interactive metal plug which are caused to grip a working head by means of a steel bolt that passes through the plug and threadably engages the handle. The plug has a tapered sidewall and the handle has a tapered zone adjacent its extremity that engages the working head. The working head has a doubly tapered channel that seats the plug and handle in opposed, axially aligned relationship.

Abstract: A grill guard for a vehicle front end comprises a pair of upstanding end plates configured to extend forward and upward from a vehicle front bumper, and a cross tube extending laterally between the end plates. A one-way push-in screw retainer frictionally interlocks with the inner wall of the tube to resist removal therefrom. Disclosed are molded peripherally flanged end plates, with end plates, cross tubes and mounting brackets of molded plastics material. The cross tubes are shaped to incorporate lamp units. Headlight guards are mountable on the end brackets.

Abstract: In a combustion engine, a flywheel is coupled to a crankshaft, the flywheel and crankshaft being in splined engagement. To eliminate play between the flywheel and crankshaft which occurs under conditions of torque fluctuation due to clearance between the meshing teeth, a deformable member is provided to reduce this clearance. The deformable member includes a bore with teeth therein also in mesh with the crankshaft teeth. In one embodiment, the deformable member is a hub on the flywheel compressed by an element movable against it by a bolt. Opposed tapered surfaces compress the deformable member as the bolt is tightened. In another embodiment, the deformable member is a separate element and is tapered and fits within a tapered inner surface on the bore of the flywheel. As the deformable member is pressed against the flywheel by the bolt, it is simultaneously compressed by the action of the opposed tapered surfaces.

Abstract: A fastener and receptacle arrangement is utilized to perpendicularly connect two pieces of flat stock material together. One piece of flat stock material includes a hole for insertion of the fastener and the other piece includes an opening for mounting a receptacle. The receptacle is secured to that board by a flexible member of the board which engages a recess in the receptacle. The piece of flat stock material with the receptacle secured to it is then perpendicularly secured to the other piece of flat stock material by a fastener which passes through that other piece of flat stock material and fixably engages the receptacle.

Abstract: An apparatus, method and article of manufacture for angularly connecting two plates. A first plate is notched. The second plate has an opening. A holding member is adapted to fit into the notch in the first plate. The holding member has a guiding channel for a fastener. The fastener is passed through the opening in the second plate and into the guided channel of the holding member and is guided into direct mechanical connection with both sides of the second slot of the first plate.

Abstract: An improved fin attachment having a socket for reception of a tang mounted n a missile fin, an element for drawing the tang into the socket, and frusto-conical concentric rings which engage the tang and the socket to connect them rigidly in a predetermined angular relation. All elements of the attachment are retained so as not to be lost when the fin is detached, and the attachment provides effective connection without the use of complex shapes or precise manufacturing tolerances.

Abstract: A concealed mounting arrangement for attaching a handle to a rotatable stem without the need for using an exposed attachment screw is disclosed. In one embodiment, there is an adapter element fixedly mountable on the stem, and a handle element mountable on the adapter with a fit that allows relative rotational and axial movement therebetween. One of these elements is provided with a connecting pin that extends towards the other element and has an enlarged head near its outer end. The other of these elements is provided with a mounting slot comprising an access opening that faces said one element and receives the head therethrough when the elements are moved axially toward one another, an intermediate portion leading from the access opening in a direction of relative rotation between the elements and the intermediate portion has a shoulder engageable with the underside of the head during such rotation to prevent the elements from moving axially apart.

Abstract: An installation and retainer cap is disclosed for making a secure connection between an annular internally splined collar member and an externally splined shaft end. The cap includes a cap body, a threaded driving shaft extending from the inner side of the body engaging a threaded bore in the end of the shaft, and an outer flange engaging the annular collar member. When the cap is driven in to make the completed connection, the outside face of the flange is substantially flush with the outside face of the annular collar member. Recesses are provided in the end of the shaft and in the outside face of the annular collar member to accommodate the body and the flange, respectively. A washer cooperating with the outer flange allows relative turning movement during the driving of the collar into position. An indicator pin provides an indication when the annular collar is fully installed on the shaft. An alternative embodiment utilizing a separate cap and driving bolt is also disclosed.

Abstract: The strength of a weld joint joining the end of a first structural member to a second structural member wherein at least a portion of the weld joint is subject to cyclic tensioning stress is improved by applying a compressive stress load to the weld joint. An advantageous application is to the weld joints joining tubular members of offshore platforms.

Abstract: This device relates to a structural material or joint comprising the combination of: a connector capable of connecting a rectangular pipe in an arbitrary direction, a spacer possible to insert into a penetrating hole perforated in the connector, a rectangular pipe which can be connected with a joint rod of the connector, and a pipe which is possible to install to the spacer.Especially, the structural material or joint according to this device relates to those capable of assembling the structures such as wall face in the shop and inside and outside the house, shelf of the ceiling etc., ornamental materials and the skeleton for the wall face and the like briefly and solidly.

Abstract: Furniture disclosed herein is substantially constructed of elongated cylindrical wooden members which are connected together by cove joints including a first such member coved at an end thereof to fit conformingly against the curved surface of a second such member at an angle thereto, a hanger bolt secured in and extending from the coved end of the first member substantially through a transverse bore in the second member, and a drive-socketed flanged cap nut engaging the extending end of the bolt and bearing against the opposite curved surface of the second cylindrical member to adjustably compress the cylindrical members together at their conforming fit to stabilize the joint. The flanged nut has a cylindrical portion containing its threads for entry into the bore for centering it under the nut flange, and the flange has an annular appearance skirt extending toward the curved surface of the second wooden member for cutting thereinto and hiding the undersurface of the flange.

Abstract: A set of wooden members assembly comprises a plurality of elongated pillar members having a number of grooves provided on the peripheral surface thereof for receiving the tongues of spar members, each of the grooves being provided with a through hole therein for receiving a screw bolt; a plurality of first elongated spar members having a bushing provided therein separately; and a plurality of second elongated spar members each having a radial through hole provided at an end thereof. One may easily assemble these members to form a certain object by inserting a screw bolt from outside of the through hole of the pillar member through the radial through hole of the second spar member to engage with the bushing provided within the first spar member.

Abstract: A fastener assembly for mounting and securing two structural members in abutting relationship with each other. The assembly includes a planar unitary anchor member of a substantially "P" shape and wherein one of the structural members to be assembled has a notch comprising a pair of intersecting perpendicular slots to form a substantial T-shaped pattern about an edge of said structural member with the anchor member pressfit into one of said slots with the planar surface of the anchor member normal to the planar surfaces of the structure member and normal to said other slot of said notch; and a locking pin member for engaging a second structure member and including locking means for locking the pin to the anchor member.

Abstract: A copyholding device is disclosed of the type having a generally flat, rectangular base assembly intended to underly an associated typewriter or the like; the base assembly operatively supports the lower end of an upright pivotable support column, the upper end of which carries an easel-like support platform which functions to carry worksheets or the like that are to be copied with the typewriter.

Abstract: A T-shaped structural joint includes a tubular member connected endwise to a plate member by a screw and a connector press-fitted in a hollow open end of the tubular member, the connector having on its periphery a knurled surface which is held in tight frictional engagement with the interior surface of the open end. The connector has a radially extending slot that allows the connector to contract when forcibly inserted into the tubular member, the connector having a tendency to expand or spring back under its own resiliency upon insertion such that the connector forcibly acts against the interior surface of the tubular member. The connector includes a notched and tapered sleeve that facilitates initial insertion of the connector.

Abstract: A tubing connection for an article of furniture in which a tubular leg is perpendicularly connected to the external surface of a tubular support member. An elastomeric insert is press-fit into the open end of the leg, and is retained therein by tabs on said leg. A screw is received through the support member and threaded into the insert to bindingly retain said leg and support member together.

Abstract: apparatus for pivotally connecting two relatively movable members has a pin having one end connectable with a retainer plate. Flat surfaces and shoulders formed on the one pin end respectively engage the plate and an aperture therein and with an end connected bolt and washer universally maintains the pin.

Abstract: A cutter adapted to be rotated about a front-to-rear extending longitudinal axis comprises a front portion having a cutting edge, and a rear portion for mounting a cutter. The rear portion has a conical outer periphery, the shortest radius of which is defined by a rearmost end of the rear portion. The rear portion includes a hook-shaped projection formed by a laterally open recess in the outer periphery.