Abstract: An apparatus for attaching a seat to a seat post comprises a cylindrical housing with oppositely oriented openings on the side of the housing. Top and bottom clamping pieces are positioned through the openings. Mating grooves on the ends of the clamps are adapted for placement and securing of a pair of rails affixed to the underside of the seat. A bottom block is disposed beneath the clamps and adapted for abutment against the clamps. The interior bottom portion of the housing is threaded, and the exterior top portion of the seat post is threaded for engagement with the threads of the housing, so that the seat post itself is tightened against the bottom piece, thus securing the seat rails within the clamps without need for tools or small components.

Abstract: A clamping assembly including a first end member having a recess defined in an end surface thereof and a bore between opposing end surfaces thereof. An intermediate member has a recess in each end surface thereof and a bore between the first and second end surfaces thereof. A second end member has first and second end surfaces and a recess defined in one of the end surfaces thereof, and a threaded bore between the first and second end surfaces. The intermediate member is disposed between the first and second end members such that the threaded bore aligns with the bore of the intermediate member and the bore of the first end member. One recess of the intermediate member cooperates with the recess of the first end member to define a first pin bore through the clamping assembly. The other recess of the intermediate member cooperates with the recess of the second end member to define a second pin bore through the clamping assembly disposed generally transverse to the first pin bore.

Abstract: A two-piece clamping assembly includes a first clamp member and a second clamp member constructed and arranged to cooperate to define first and second pin bores. The first bore is disposed generally transverse with respect to the second bore. A rod is threaded into an axial bore through a portion of the first clamp member and extends through the second clamp member beyond an end surface thereof. A control knob is coupled to the end of the rod. The control knob includes a seating surface constructed and arranged to engage the end surface of the second clamp member, whereby manual movement of the control knob such that the seating surface contacts the end surface, clamps the second clamp member between the first clamp member and control knob so as to clamp associated pins in the pin bores. The first and second clamp members are constructed and arranged in such a manner that all operative threads of the rod are disposed within the axial bore.

Abstract: A pipe corral connector consisting of a pair of bolts having corresponding hingedly coupled first ends, and second, threaded ends. The second end of one of the bolts is provided with a right hand thread while the second end of the other bolt is provided with a left hand thread. The threaded ends of the bolts are brought together with a nut that is internally threaded halfway with a right hand thread and halfway with a left hand thread. The nut provides a turnbuckle-like effect in bringing the two bolts together and tightly joining intersecting or parallel pipes of a pipe corral. The connector eliminates all sharp edges which might otherwise injure a corralled horse. The inside surface of the connector bolts may be serrated or notched to provide increased friction at the point of pipe connection. The nut and one of the bolts may be marked to identify matching thread sense to facilitate determination of the correct orientation of the nut.

Abstract: A stand for mounting a device having a rib member includes a mast, with a pair of spaced mounting clips secured to the mast. The mounting clips are spaced from the outer surface of the mast so as to form pockets therewith for receiving the rib member. Upon insertion between the mounting clips, the rib member is pivoted for entry into the pockets and a locking pin receivable in an aperture in the rib member prevents a dislocating pivoting in an opposite direction.

Abstract: A collapsible security grille is provided comprising two conventional face-to-face sets of rigid grille bars (2, 9) pivotally interconnected at their intersections, wherein all the pivotal connectors (4) are uniformly and non-adjustably spaced apart along their respective grille bars in one said sets, but are free, as far as the second set is concerned, to undergo small sliding displacements along the grille bars of that set. In this way the stresses that ordinarily lead to jamming, jerky action and noise are automatically compensated at the point and instant of their origin. It is preferred that the pivotal connectors around the periphery of the second set are likewise non-adjustably spaced apart, so that every such connector at a grille bar meeting point (6) (as distinct from a crossing point 8) is spaced from both of the two next adjacent crossing-point connectors (8).

Abstract: The present invention provides for a cable or rope restraining device which comprises a U-shaped member or U-bolt to engage two saddle clamps. The first saddle clamp is a friction clamp for securing a dead end section of the rope. The second saddle clamp provides a channel for loosely containing a live section of the rope.

Abstract: The instant invention is a strap for installation over sheathing to hold the sheathing to an underlying structural frame member through the use of interconnecting bands and saddle. The saddle is positioned on the underside of a structural member and receives the bands. Tabs are provided at both ends of the sheathing strap to receive the connecting bands and are also used to align the strap with an underlying structural member. Patterns of through holes are provided in the strap as a fastener alignment guide and are to be used for installation of fasteners after the strap is aligned with the underlying structural member.

Abstract: A slatwall assembly having modular channels formed independently of the wallboard material, which channels are slidably adjustable in both a horizontal and vertical manner, and which can be installed in any desired configuration, the slatwall assembly having components which are lightweight and more easy to install than known systems. The modular slatwall assembly has an outer member, an inner support member, and a connector. Each outer member defines a front channel for receiving merchandise display devices and a rear channel. Each inner support member defines a support channel and is fixed in a generally vertical fashion to the inner supports of the wall structure. The outer member and inner support member are slidably connected by a connector having two disc-shaped heads connected by a central post.

Abstract: An apparatus for use in retaining spinal elements in a desired spatial relationship includes a fastener for engaging a spinal element. A longitudinal member is positionable along the spinal column. A connector member interconnects the fastener and the longitudinal member. The connector member has a mounting section with surface means defining a first opening through which the fastener extends. The longitudinal member extends through a second opening in the connector member. The axis of the opening through which the longitudinal member extends is perpendicular to top and bottom surfaces of the connector member. The mounting section has a side surface extending at an acute angle to the top and bottom surfaces. The connector member includes a surface that is parallel to the longitudinal axis of the opening through which the longitudinal member extends.

Abstract: A flow-through cap and stirrup for reinforcement bars in a building wall and method of use thereof is disclosed. The building wall is formed from successive layers of masonry blocks having cells therethrough which form a hollow vertical core. Usually and particularly in earthquake prone areas, construction practices include the insertion and grouting in place of a pair of overlapping reinforcement bars within the core formed by the masonry blocks. The device of this invention is a cap and stirrup unit for holding the reinforcement bars in the requisite position. The device is formed from a coil spring with spaced apart coils, and has two elongated cells, namely, a cap portion and a stirrup portion. Each portion has a wall with a closed end and an open end. The cap has a channel which, when installed, accommodates the head of the lower reinforcement bar. Conversely, the stirrup has a channel which, when installed, accommodates the foot of the upper reinforcement bar.

Abstract: A bus bar connecting device according to the invention comprises a clamper for clamping first and second bus bars disposed to extend at an angle with each other. The clamper is preferably electrically conductive to permit passage of an electric current therethrough. The second bus bar may have a hole, and a bolt extends through the clamper and the hole of the second bus bar, and screwed into a nut provided on the opposite side of the second bus bar. As the bolt is screwed into the nut, the clamper is pressed against the bus bars, and also presses the first and second bus bars against each other. Preferably, the clamper has linear protrusions at which it is in contact with the bus bars. Because of the pressure contact along the entire linear protrusions, the area of contact is larger than if the contact is made only at a point. The device is provided with a mechanism to prevent shift of the second bus bar in the lateral direction of the first bus bar. Such a mechanism may consist of a step of the clamper.

Abstract: A system and method to form a medical construct using surgical rods and connectors. A pair of surgical rods such as those used in fusing vertebrae of the spine are attached to each other with connectors to form a medical construct. The connector includes a plate with a pair of double hook bolts which are attached to the rods. The double hook bolts and rods may be used to provide a rigid or semi-rigid medical construct depending upon the attachment of the double hook bolts with the plate. The connector is assembled prior to the surgical procedure and eliminates any need for manipulating small washers, screws and bolts during installation of the medical apparatus within a patient.

Abstract: A branch connector is useful for connecting a pair of spine rods in a spinal fixation system. The branch connector includes an upper saddle, a lower saddle and a bolt for clamping the saddles together. The upper and lower saddles mate to define a pair of openings for receiving the spine rods. The bolt includes a threaded shaft that extends through a first aperture defined by the upper saddle and threads into a second aperture defined by the lower saddle. By tightening the bolt, the saddles are drawn together to securely grip the spine rods. The openings can be arranged in different configurations to perform different functions. A branch connector with parallel openings forms a branch clamp for connecting two spine rods in series. A pair of branch connectors arranged as transverse clamps with perpendicular openings can be combined with a transverse rod to form a cross brace assembly for bridging a pair of generally parallel spine rods.

Abstract: A fastening system comprises a housing having a closed end and an open end. A first mixable fastener component is disposed within the housing at the closed end and defines a first volume, the first volume being substantially devoid of gas. A rupturable skin overlie the first component proximate the open end for maintaining the first component within the housing.

Abstract: An external fixator for osteosynthesis features application to the fixation of fractures of small bones such as those of the hand or foot. A small central unit contains two ball joints which are releasably clamped via a single actuation. Bone fasteners, such as bone pins or bone screws are releasably clamped, via a single actuation at each of two clamping units, and each of the clamping units is adjustably clamped to a carrier rod within a wide range of selected positions, which extends to the smallest of offsets from the central double-ball joint unit, by reason of the fact that the ball of each ball joint is the inner end of one of the respective carrier rods.

Abstract: A suitcase including a luggage member, a support structure attached to the luggage member, the support structure having a first horizontal member having two wheels thereon to facilitate towing on the ground, a second horizontal member, two tubular members coupling the first and second horizontal members, thereby forming a rectangular frame, a shaft in extensible slidable engagement in each of the tubular members, the shafts being connected by a first handle, the shafts being extensible between a collapsed position in the tubular members and a fully extended position to enable towing of the luggage member on the wheels, at least one of the shafts including a wedging member slidable within the respective tubular member which is received frictionally in a first bore provided at an end of the respective tubular member adjacent the second horizontal member to maintain the shafts in the fully extended position.

Abstract: A mechanically joined steering assembly for supporting the wheel of a wheeled vehicle for steering movement relative to the frame of the vehicle. The steering assembly includes a crown attached by mechanical fasteners to blades and to a central steering portion joining the assembly to the frame of the vehicle. The parts joined are the blades (16), steerer (14), crown (12), and reinforcements (24). Mechanical fasteners serviceable with common tools provide a reinforced steering assembly of greater strength than welded or brazed constructions. This assembly allows the use of metallic, advanced composite, or thermoplastic components. Adjustments of axle location and steering geometry are made by sliding blades (16) up or down in crown (12). Blades (16), steerer (14), and crown (12) retain the original cold drawn strength of the metal used by mechanically joining without brazing or welding.

Abstract: An encoder interface for interfacing an encoder having a first part defining a first axis to a structure having a second part defining a second axis substantially parallel to the first axis includes a portion for translating the first part with respect to the second part in a direction transverse to the first axis and a portion for rigidly rotationally stabilizing the first part with respect to the second part against a rotation of the first part about the first axis induced by a translation of the first part with respect to the second part in the direction transverse to the first axis.

Abstract: A scaffold coupler is actuated by an over-center lever mechanism. The scaffold coupler, which is of resilient plastics, includes a hand lever 13 which is hinged to a jaw 12 that closes upon a base member 11 to clamp tight a scaffolding tube 15. A hook member 14 hinged to the lever 13 engages with a lip 19 of the member 11 so that depression of the lever 13 urges the jaw 12 hard onto the tube 15 and actuates the clamping mechanism by pulling the hook-hinge 22 through `over-center` alignment with the lever-jaw hinge 21 and the hook-lip engagement `hinge` 23. The base-jaw surface 17 subtends more than 180 degrees to snap fit with the tube 15, and opening of the closure jaw 12 is limited by a projection 20 (or otherwise, FIG. 7 ) for support of the tube 15 (FIG. 2). Closing of the jaw 12 may be tripped by entry of the tube 15 (FIG. 6 ), and the jaws may be abrasive-surfaced (FIG. 5 ) to improve grip. The lever 13 may be selectively locked in the actuated condition (FIGS.

Abstract: A display accessory for rigid connection to a display panel of the type having an elongated longitudinal undercut retaining channel along one edge and having a narrow slot entrance to the retainer channel. The accessory includes a longitudinal tubular member of circular or polygonal cross-section and at least one pair of aligned longitudinally spaced apart connectors on the tubular member. Each of the connectors comprises a lock pin extending through the wall of the tubular member and having a large retaining head within the tubular member. The opposite end of the lock pin has a locking member having opposed flat faces. The shape of the locking member corresponds to the cross-section of the retainer channel of the panel to which the accessory is to be connected and the thickness of the locking member is such that it fits within the channel slot of the display panel.

Abstract: A stand for mounting a device having a rib member includes a mast, with a pair of spaced mounting clips secured to the mast. The mounting clips are spaced from the outer surface of the mast so as to form pockets therewith for receiving the rib member. Upon insertion between the mounting clips, the rib member is pivoted for entry into the pockets and a locking pin receivable in an aperture in the rib member prevents a dislocating pivoting in an opposite direction.

Abstract: A crossarm assembly for installation on a utility pole includes a horizontally disposed cross arm. First and second box channels matingly interfit about the cross arm at a location generally equidistant the ends of the cross arm. The channels provide structural support for the cross arm to substantially reduce the amount of the deflection occurring at the end of the cross arm when the assembly is subjected to a load. A pole gain is integrated into an extrusion flange on one side of the box channels for attaching the channels to the pole and to add structural stability. The assembly includes attachment schackles by which conductor "dead ends" can be connected to the assembly when it serving as a "dead-end" assembly.

Abstract: A connecting device for electrically and mechanically joining two conductors positioned substantially perpendicular having improvements allowing for easier and safer installation. The connector includes a C-shaped body member and a wedge assembly. The C-shaped body member has two spaced apart fingers hooked to engage one conductor and a yoke section which joins the fingers and is contoured to engage another conductor. The wedge assembly provides the separating and securing means to the conductors and is comprised of two parts. The wedge assembly is comprised of a wedge shaped section and a T-shaped section that are mechanically engaged by use of interacting parts involving the incline of the wedge and the vertical portion of the "T". Each member of the wedge assembly has an independent contoured surface which engages one of the transversing conductors. The wedge assembly functions separately from and unconnected to the body member when installed between the conductors.

Abstract: A connector for display shelve comprises a round and flat first block, a corresponding second block, and a pin member. The first block includes a semicircle trough on top portion and one side thereof extending downward, a semicircle recess horizontally lying underneath the trough having a convexity at center portion which has a through hole in parallel with the recess, a semicircle groove, horizontally, lying underneath the recess, and two notches on two sides of the periphery. The second block has a semicircle trough, and a semicircle groove in corresponding to the trough and the groove of the first block both in size and location. The second block has further two convexities at respective end of center line having a through hole in each of the convexities, and a concavity located inbetween the two convexities and is corresponding to the convexity of the first block.

Abstract: An apparatus and method for securing fittings to composite structures such as those composites formed out of resin-embedded fibers is disclosed. The invention includes the use of support structures wrapped around the fittings such that the support prevents the fitting from movement when a compression load is applied thereto. The support serves to transfer the force of the compression load into the entire body of the composite structure so that the force will be absorbed by the structure. In one embodiment of the invention, the support structure comprises a composite fiber tow formed of high tensile strength fibers impregnated with a matrix material. The composite fiber tow is fibers wrapped around the fittings to form suspension strands. As the matrix material cures the composite fiber stiffens to hold the fitting in place against the composite structure.

Abstract: A mechanically joined steering assembly for supporting the wheel of a wheeled vehicle for steering movement relative to the frame of the vehicle. The steering assembly includes a crown attached by mechanical fasteners to blades and to a central steering portion joining the assembly to the frame of the vehicle. The parts joined are the blades (16), steerer (14), crown (12), and reinforcements (24). Mechanical fasteners serviceable with common tools provide a reinforced steering assembly of greater strength than welded or brazed constructions. This assembly allows the use of metallic, advanced composite, or thermoplastic components. Adjustments of axle location and steering geometry are made by sliding blades (16) up or down in crown (12). Blades (16), steerer (14), and crown (12) retain the original cold drawn strength of the metal used by mechanically joining without brazing or welding.

Abstract: A connector, to connect together two members, comprises a body having two sockets to receive the members. A wedge member is received in a pocket in the body which pocket opens to each socket so that parts of the wedge can extend into each socket to exert a clamping force on the members in their respective sockets.

Abstract: A two-piece cable mounting arrangement is provided for a vehicle gearshift mechanism support base comprising an upper-half section and a bottom-half section of molded synthetic plastic material adapted to receive a pair of tubular cable guides end fittings therebetween. An upstanding bolt is fixed to the support base and extends through a central boss integral with the bottom-half section. The bottom-half section includes a pair of support blocks having concave troughs cradling an associated end fitting on either side of the boss. The upper-half section has a central wall portion receiving the bolt therethrough whereby the wall portion rests on the boss. The wall portion is formed with a pair of downwardly facing concave half-circle sectioned shell portions matching the pair of concave troughs such that each end fitting is captured between its associated lower trough and upper shell portions. The wall portion has an undercut locating notch interlocking with an upstanding tongue portion of the base.

Abstract: A coupling device for joining the ends of rebars in an overlapping relationship which can be utilized to join the end of one rebar to another which cannot be directly reached, which essentially comprises a body having two elongated and parallel, side-by-side, cylindrical sockets therethrough having a size within which two rebars can be tightly inserted from opposite directions. The edge of the body forming the entrance ends of the sockets being flared out to facilitate insertion of the rebars, and the sides of the body forming the sockets having slits cut therethrough with the edges of the sheet metal adjacent to the slits facing away from the entrance end of the sockets being curved inward to engage the edges of the rebar and lock them in place.

Abstract: A stanchion to which is to be attached a structure with this structure to be located in a particular fixed position. The stanchion permits adjusting movement of the structure to a desired location with this adjusting movement being spaced from supporting surface such as the ground or the floor. In order to provide for this adjusting movement, there is included a universal joint in conjunction with the stanchion. This universal joint utilizes a single handle which when loosened will permit the structure to be moved in both a horizontal and a vertical plane and also to be tiltable a limited amount relative to the vertical plane.

Abstract: A tie back clamp is provided for retaining a severed end of a power cable in a safe, removed position when it is necessary to cut the cable to perform service or otherwise work on the power line. The clamp retains a tail or end portion adjacent the location of the cut at a position transverse the remaining cable from which the stub or end portion extends.

Abstract: An attaching device includes an anchoring plate 11 having four bores 12, 13, 14, 15 receiving two crimping tubes 19, 29 and two crimping rings 17, 18 for holding a multi-ply cable 20 or 21. The crimping tubes are adapted to be placed into holes drilled through the femur below the trochanter major, so as to guide the cables 20, 21 passing through the femur wall. The device is adapted to be used for attaching the trochanter major to the femur in the case of a trochanterotomy.

Abstract: The invention relates to a device for holding two ropes or corresponding elongated bodies together in a fixed relation to each other at a right angle or parallel to each other. The device is characterized in that it comprises two essentially identical halves (2, 11), each being provided with a recess (3, 12) into which the rope fits, and that these halves may be pressed together and be locked by means of snap locks (5, 6, 13 14) when pressed together, the axial or turning movement of the ropes in relation to each other being prevented by the force of friction, and according to a preferred embodiment, by pegs (4, 17) on the bottom of the recesses, and the separation of the ropes being prevented by the snap locks, and, according to a modification of the preferred embodiment, by a screw which extends through each of the halves of the device and thereinbetween through each of the ropes.

Abstract: An improved foot-operated gearshift mechanism wherein a foot-operated pedal is operable to cause the pedal to move, generally, up or down. This movement, in turn, causes the gear-shift shaft to rotate so as to change gears. The improvement lies in providing a shifting lever assembly which has three sections. The first section is attached to the foot-operated pedal at one end and has an elbow at the other end. The second section proceeds to a second elbow. From that second elbow, the third section continues to a gearshift handle.

Abstract: A fitting and a method for facilitating clamping in a cluster a plurality of star posts to form a strainer post in a fence line, and comprising a yoke having radiating legs enclosing the star posts which are clamped to the yoke by an encircling U-bolt and recessed saddle, the yoke having slots in the ends of its spokes for capture upon the U-bolt and the saddle.

Abstract: An improved irrigation boom assembly is provided for relatively rapid and easy mounting onto the main water distribution pipe of a traveling irrigation system, particularly such as a center pivot or linear travel system. The improved boom assembly includes a water supply drop pipe adapted for rapid and secure mounting onto the main distribution pipe by an improved clamp assembly and for receiving water from the distribution pipe via a flexible feed hose. The drop pipe has a manifold at its lower end designed for facilitated connection to a lightweight boom comprising a pair of elongated wing tubes cantilevered outwardly therefrom in opposite directions, wherein the wing tubes are each supported in an adjustably selected geometry by a respective pair of support cables anchored between the drop pipe and the wing tube and threaded through support struts mounted at spaced intervals along the wing tube spans. The outboard end of each wing tube includes an easily removable end fitting to permit periodic flushing.

Abstract: An inverted U-shaped clip is provided for coupling together shelves on adjacent shelving units. The clip body comprises a pair of spaced-apart parallel sidewalls and a top wall connecting the sidewalls. A first pair of projections extends outwardly from one side of the two sidewalls and each terminates in an upwardly extending hook. With the clip body, the first pair of projections form a first shelf-receiving space. From the opposite side of the clip body, a second pair of projections extends outwardly from the clip, each terminating in an upwardly extending lip. A tongue extends outwardly from the top wall above the second pair of projections and from the same side of the clip body as does the second pair of projections. The tongue terminates in a downwardly extending lip, and with the second pair of projections and the clip body, forms a second shelf-receiving space.

Abstract: A life-saving basket and equipment handling device having a plurality of parallel horizontal frame elements connected to at least two U-shaped hoops arranged in planes perpendicular to the planes of the frame elements to form mesh sides of the basket, the bottom of the basket being provided with longitudinal elements forming supports. Each hoop is connected to each frame at each point of intersection by a separate connecting element. The free ends of each hoop and those of two handle elements of inverted U-form are joined by a top edge frame which includes two longitudinal members on which are engaged, spaced by distance pieces, the free ends of the hoops and the handle elements, and two transverse members connected to the ends of the longitudinal members.

Abstract: An anchor for deck boards resting on a truss includes a deck board hold-down element, a truss-engaging resistance element and a threaded adjustable connector between the hold-down element and the resistance element.

Abstract: In order to create an elegant and light seat or chair, which nevertheless has stability comparable to sturdy utility chairs, a chair is proposed which includes a seat portion and a backrest portion with each of the portions including a flexible flat structure clamped to metal frame elements. Each metal frame element is provided with a longitudinal groove which accommodates a compressible metal which is pressed into the groove while binding the edge of the flat structure. The metal frame elements are preferably formed of extruded aluminum rod material with the groove being provided with undercuts forming barbs. A soft aluminum wire is employed as the compressible metal. The flexible flat structure may take the form of a web or a net type material.

Abstract: The anti-roll bar 7 supported by two bearings 9 and connected at each of its ends to a suspension lever 4, is maintained in its axial direction by at least one tie 10. The latter is resiliently deformable in torsion and secured to the bar at 11 and to the structure of the vehicle at 12. This immobilization of the bar is achieved by cheap devices which introduce no friction producing noise or wear. Application in motor vehicles.

Abstract: Improved scaffold clamps are described. These clamps provide a complete enclosure means for securing a plurality of planks in side-by-side relationship. The enclosure means bears a rigid working plate with a press screw extending longitudinally therethrough for exerting pressure against the edges of the enclosed planks. These clamps provide an improved means for stabilizing scaffold platforms.

Abstract: A cable tie comprising a body of fused material having embedded therein a pair of crossing cable sections. The body of fused material surrounds the region of crossing of the cable sections and makes tight contact with and adheres to the cable sections for preventing relative movement therebetween. An air supported structure cable net includes a plurality of the cable ties each at a respective point of crossing of the cables comprising the air supported structure cable net.

Abstract: A parcel rack for use on a vehicle such as a bicycle includes a frame structure defining a planar area for supporting parcels and the like. The frame structure has at a first end thereof attaching structure to attach the frame structure to the frame of a vehicle. A bracing structure is provided to brace the frame structure with respect to the vehicle frame. Attachment units removably connect the bracing structure to an end of the frame structure spaced from the first end thereof. The attachment units enable the bracing structure to be removed from the frame structure and to be fixed thereto at a varying positions with respect thereto and to extend in varying directions therefrom.

Abstract: An improved clamp arrangement for attaching a shank, particularly an S-tine shank, to a rectangular beam of an implement. A bracket is positioned against two adjacent faces of the beam and includes a formed end with a continuous transition zone which partially wraps around the front edge of the beam to prevent the clamp and shank from rotating horizontally. The formed end also provides increased depth of section to increase the bending strength of the bracket.

Abstract: A device for rigidly connecting two members of rectilinear cross section comprises a thin, unitary sheet shaped to the general form of the surface of a hexahedron having two parallel rectangular faces and four trapezoidal faces. The device has a pair of slots at right angles to each other and the members are received in the slots and secured to the surface forming the bottom of the slot in which each is received.

Abstract: A gritless seal, a method for making the seal, and a method for forming a joint with the seal between overlapped ligature segments is provided. The inner gripping layer is brittle and has a hardness greater than that of the outer, ductile layer. In forming the joint, the seal is disposed about the overlapped ligature segments and is folded, squeezed, and/or crimped about the segments under pressure sufficient to deform the outer, ductile layer and produce fracture cracks in the inner gripping layer which present sharp edges to engage and hold the surfaces of the overlapping ligature segments. The interior of the sheet steel seal is case hardened by known cyaniding techniques.

Abstract: A quick connect assembly comprises a semicircular cross-sectioned wedge member attached to the outside surface of a pole. A pin protrudes through the surface of the pole opposite the wedge member to provide a means of registration between the pole and a hole in a mounting portion of an accessory tool. A locking sleeve is slidably positioned on the pole so that the accessory tool is clamped firmly next to the pole when the locking sleeve is positioned around and jams against the wedge surface. A collar member is also provided to prevent the locking sleeve from sliding off the pole at the end opposite the wedge.

Abstract: A walk-behind rotary tiller includes a vertically adjustable drag stake releasably held in a selected position through means of a lock member having the form of a ring segment and mounted such that it may be pivoted upwardly and displaced forwardly to release the drag stake for vertical adjustment to another desired position and then displaced rearwardly and rotated downwardly to retain the drag stake in its new position.