Abstract: In order to provide a connecting device for connecting two components, which is simple to manufacture and enables a stable and reliable connection of the two components, it is proposed that the connecting device comprises a main body which comprises a receiving channel extending through the main body for accommodating a fixing element, wherein the receiving channel is preferably accessible at one end by way of an insertion opening of the main body and/or preferably at a (further) end by way of a fixing opening of the main body, wherein the main body preferably further comprises an actuating opening that is different from the insertion opening and/or the fixing opening, by way of which in particular the fixing element arranged in the receiving channel is preferably accessible for the actuation thereof.

Abstract: Provided is a frame forming structure for use with a frame and a sash of an aluminium-wood combined door/window. The door/window may include at least a door/window frame or a door/window sash frame. The door/window frame or the door/window sash frame is formed by two connecting adjacent profile frame strips by means of an angle forming device and a round tenon rod on adjacent connecting end surfaces. Symmetric U-shaped notches for positioning the angle forming device and symmetric round tenon rod holes are processed on the connecting end surfaces of the two adjacent profile frame strips. A round tenon is used for positioning and inserted into the symmetric round tenon rod holes. A assembly-type the angle forming device is fixed the two adjacent profile frame strips. The disclosure has characteristics of increasing connecting strength of an angle portion and sealing performance after angle formation, improving convenience of frame formation.

Abstract: A joining device, particularly for joining a shelf to a wall of a piece of furniture, having a cylindrical body associated in a first hole adapted to be provided transversely in the shelf and having a first axial seat for the rotatable coupling of a first stem of a screw provided with a first crown-shaped head that can be arranged rotatably within a second seat that is adjacent to the first seat. A second hole is adapted to be provided in the shelf at right angles to the first hole and accommodates, substantially flush with or below the upper surface, an insert. The insert is provided with a seventh seat for the third head of a first tool coupled rotatably with the first crown-shaped head.

Abstract: A device and method for assembling two structural elements made from a composite material is provided. The device includes two cylindrical flanged receptacles, each pierced by an aperture perpendicular to the axis of the cylinder, and a shaft that can be introduced into said apertures. The device also includes bearing means, which bear on the interior surfaces of the cylindrical receptacles and can maintain tension in the shaft when the shaft extends through the apertures in the two receptacles. The device includes means of placing the shaft under tension.

Abstract: A fixture includes a router guide portion having a router support surface and a workpiece support surface, a drill guide portion having a drill bit member, an opening adjacent the router guide portion and the drill guide portion for accepting a workpiece, and a clamping portion. The clamping portion includes a clamping member for securing the workpiece to the router guide portion.

Abstract: A steel bar connecting structure is disclosed. The steel bar connecting structure includes a connecting sleeve having on an inner circumference thereof an internal threaded part, and a steel bar having an external threaded part which engages with the internal threaded part. The steel bar is inserted into the connecting sleeve. Each of the internal threaded part and the external threaded part is formed such that a crest of each of threads thereof is cut. Thereby, when the steel bar is strongly coupled to the connecting sleeve, a neighboring crest and root of the internal threaded part and the external threaded part are not in contact with each other, whereas inclined flanks of the threads of the internal threaded part and the external threaded part are in close contact with each other.

Abstract: It concerns a set of a nut carrier (1; 11) and two translatory or rotary guided nuts in it or a set of a nut carrier (21; 31) and of only one nut guided in it in a translatory or rotary way. The nut is always part of a translatory or rotary guided slide (2; 12; 22; 32).

Abstract: A flange yoke for universal joints includes a flange element having a longitudinal axis, two first attachment faces arranged on a first end face, and a connection face arranged on a second end face. The flange yoke also has two bearing elements having, respectively, a bearing bore, a second attachment face abutting one of the first attachment faces, and at least two blind holes with internal threads that extend parallel to the longitudinal axis and that start from the second attachment faces. To each blind hole, a through bore, extending parallel to the longitudinal axis, is arranged in the flange element. The through bores start from the connection face and end in one of the first attachment faces. The attachment screws are passed through the through bores and sit in the blind holes. By this, it is ensured, that the cross-sectional area of the bearing elements in a plane, formed by the journals of a journal cross, is not reduced by a bore and the highest possible torque capacity is achieved.

Abstract: A device for connecting two components, particularly furniture plates, includes a cup-shaped assembly element and an actuating element rotatably mounted in the assembly element, wherein the actuating element serves to hold a connecting element in the assembly element, and wherein, in the mounted state of the assembly element, the actuating element can be turned from the outside by a tool. The cup-shaped assembly element has a guide duct which extends obliquely relative to the axis of rotation of the actuation element and is directed toward the actuating element. The guide duct through which the tool is to be introduced for turning the actuating element provides the person carrying out the assembly with the precise position of the screwdriver relative to the actuating element.

Abstract: A steering wheel assembly generally comprises a hub having a bore for receiving an outer end of a steering column shaft. A gear is disposed within the upper end of the bore. The gear includes circumferentially spaced teeth extending radially outwardly from an annular collar. The annular collar defines an axial bore having internal threads complementary to threads on an outer end of the steering column shaft. The gear includes an axial inner end, an opposite axial outer end and an axial mid-point. A web-flange tapers radially outwardly from the axial mid-point on the collar toward the inner end.

Abstract: A connection tightness and swing angle adjustable pivot includes a rotary shaft, a stationary shaft having a slit end rotatably received in an end of the rotary shaft, and an adjusting bolt. The adjusting bolt is screwed into the slit end of the stationary shaft with a head portion located in the rotary shaft but accessible with a hand tool via openings formed on the rotary shaft. The adjusting bolt has a tapered portion contacting with another tapered surface around inner wall of the stationary shaft. When the adjusting bolt is turned at the head portion via the openings on the rotary shaft so that it is screwed further into the stationary shaft, its tapered surface tightly presses against the tapered surface in the stationary shaft to expand the slit end of the stationary shaft, so that the stationary shaft more tightly contacts with inner wall of the rotary shaft.

Abstract: A device for mounting an integrally formed steering wheel on the steering shaft of a vehicle. The device includes a boss to couple the steering wheel to the steering shaft on which is rotatably mounted a fastener that is rotated by a drive gear arrangement. The drive gear is on shaft that is rotatably mounted in a housing connected to the boss so that the drive gear that meshes with a complementary drive gear on the fastener to rotate and fasten the steering wheel to the steering shaft. Retainers are used to support the gear shaft to opposing sidewalls of the housing, and include bushings located between the retainer and the gear shaft.

Abstract: A concealed fixing device comprises an insert embedded within a first member, an elongate threaded bar connected to the first member and passing through a second member through a concealed hole to a concealed chamber within the second member. A combined nut and washer assembly applied to the threaded bar tightens the first and second members.

Abstract: Prefabricated handrail fittings are disclosed which contain preformed internal slots which accept simple fasteners for quickly making mitered and butt joints without hand working in the field. A plurality of interconnected slots are arranged internally along a longitudinal axis to provide fittings which are adjustable in length with only a simple transverse saw cut and which adjustably cover the entire range of angular inclination of an inclined handrail to which the fittings may be joined. A single angular fitting can be used to make either left or right turning connections between an uprising easing section and a post. A universal uprising easing is provided. Short extensions can be connected to surfaces while working from upper side without hand working.

Abstract: A device for securing furniture panels at right angles to each other includes a holding member including a plug portion which is positioned in a recess in a major surface of the first panel. The plug has a front wall which is exposed at one edge of the panel and positioned substantially flush with the panel edge. A chamber extends perpendicular to the edge of the panel through the full length of the plug from a first opening in the front wall to a second opening opposite the front wall. The chamber retains a screw within the body of the plug. A top wall of the plug is exposed at the major surface of the panel and has an opening extending into the body portion of the plug to enable tighening of a screw to engage a second, substantially perpendicular, second panel and draw the second panel toward the edge of the first panel. The screw can be inserted either through the top opening or through an opening opposite the front wall of the plug prior to insertion of the plug into the panel recess.

Abstract: There is disclosed a method of connecting tubes using a connector which comprises a body 41, through which is positioned a screw 43 having a head 44 and a threaded stem 45. A resiliently deformable member 413 is positioned on the threaded stem and a washer 46 is positioned on the threaded stem 45 the opposite side of the resiliently deformable member 413 from the body 41. A second washer 412 is positioned between the resiliently deformable member 413 and the body 41. In the method of the present invention the connector is inserted into a tube and a screwdriver is inserted into a groove in the head 44 of the screw 43. The screw 43 is thus rotated so that the washer 46 is threaded along the threaded stem 45 towards the body 41, thus compressing the resiliently deformable member 413 so that the resiliently deformable member 413 bulges outwardly and thus establishes a friction grip on the inner surface of the tube, thus securing the connector in relation to the tube.

Abstract: A device for securing furniture panels at right angles to each other includes a holding member including a plug portion which is positioned in a recess in a major surface of a first panel. The plug has a front wall which is exposed at one edge of the panel and positioned substantially flush with the panel edge. A chamber extends perpendicular to the edge of the panel through the full length of the plug from a first opening in the front wall to a second opening opposite the front wall. The chamber retains a screw within the body of the plug. A top wall of the plug is exposed at the major surface of the panel and has an opening extending into the body portion of the plug to enable tightening of a screw to engage a second, substantially perpendicular, second panel and draw the second panel toward the edge of the first panel. The screw can be inserted either through the top opening or through an opening opposite the front wall of the plug prior to insertion of the plug into the panel recess.

Abstract: Bolting apparatus for use with countertop panels and the like of wooden and laminate construction, for securing a first such panel to a second panel, with an edge of the first panel engaging an edge of the second panel, the disclosure including a draw bolt and attached pressure plate members for engaging depressions in the underside of the two panels and the draw bolt spanning the engaging panel edges, the draw bolt being quickly tightenable to draw the engaging panel edges tightly together.

Abstract: A joint for ready-to assemble furniture including a mortise in a first of two workpieces, an insert for the mortise and a fastener, such as a screw for securely joining the workpieces. The fastener receiving insert has a curved front wall corresponding to a curved load-bearing face of the mortise. An insert bore penetrates the insert for receiving the fastener, and a cover cap on the insert covers the insert member and the mortise from view when two workpieces are joined. The second workpiece has a pre-drilled bore which receives the threaded end of the fastener. The fastener is screwed into threaded engagement with the pre-drilled bore in the second workpiece to securely joint the two workpieces. A plurality of embodiments of the joint and a method of joining the workpieces also are disclosed.

Abstract: To join a part having a threaded shaft protruding therefrom with a second part having a bore sized to receive the shaft and an intersecting cavity, a housing is provided which rotatably receives a nut. The nut has a circumferentially extending external gear surface and the housing has two nut actuator receptors communicating with its interior at this gear surface of the nut. The housing with nut is received within the cavity of the second part and the shaft of the first part is inserted into the bore in the second part till the shaft abuts the nut. A nut actuator inserted into one of the nut actuator receptors may then be rotated to thread the shaft into the nut and draw the two parts into abutment.

Abstract: A device for fixing an element to an outer surface of a support wall of a hollow body in proximity to a first partition wall of this body perpendicular to said surface, including a bolt which extends through a part of the element and said support wall and cooperates with a nut bearing against an inner wall of the hollow body, parallel to said outer surface, wherein the nut is constituted by a plate in which is provided at least one tapped hole and to which is elastically fixed a fastener extending through an opening in the first partition wall. This opening permits the introduction of the plate, the fastener being itself elastically fixed to the first partition wall.

Abstract: A pipe and socket connection for a spacial structure which is comprised of a pipe termination that is coaxial and welded to the end of the pipe and which possesses a hole in which a screw is able freely to rotate, the diameter of the screw head being greater than that of the hole in which it can rotate, a polygonally sectioned body and a threaded end, and where a nut having a polygonal inside shape engages upon the body of said screw, and where means are provided to restrict unwanted axial motion of the screw.

Abstract: A quick change tool holder of the block tool type wherein a tool nose assembly is releasably secured to a drive member or holder. The tool nose includes a bayonet portion extending axially outward from the rear end thereof which is receivable by an axial opening in a locking assembly housed in the drive member. The bayonet portion is positioned behind a locking ring in the locking assembly, and this locking ring is selectively shiftable axially of the drive member between disengaged and engaged conditions against and under the influence of spring biasing means. In the disengaged condition, the bayonet portion is insertable into and removable from association with the locking assembly. In the engaged condition, the spring biasing means acts against the locking ring to, in turn, act against the bayonet portion for moving the tool nose axially toward the drive member to place teeth on these two components in cooperative engagement to thereby effect a secure interconnection therebetween.

Abstract: The present invention is a bi-section adjustable connector used to bridge two segments of an opened handrail at a turning place.The device consists of two L-shaped component bars. During installation the two component bars are joined end to end by one or two sets of a nut and washer mounted on a bolt having one or both ends threaded. Each half of the bolt is placed in an individual horizontal hole in each component bar.Before tightening up the nuts and washers on the extended portions of the bolt, the assembled bars can be adjusted properly by pivoting along the bolt to align other ends with the ends of the opened handrail at the turning place.Following the tightening up of the nuts, the smooth connection is completed by fixing those ends together.

Abstract: This invention relates to an improved connector construction for releasably connecting one tubular member to another. A first tubular member has an aperture contained therein. A screw fastener member is mounted in the aperture. The screw fastener has an enlarged portion on the exterior of the tubular member preventing the screw fastener from passing through the aperture into the interior of the tube. The screw fastener member has a second enlarged portion within the tube. The space between the first and second enlarged portions is less than the thickness of the tube to hold the screw fastener member frictionally in the tubular member and to prevent rotation of the screw fastener member relative to the tubular member. A second tubular member has a portion positioned adjacent to the aperture in the first tubular member and the screw fastener member. A second screw fastener member is rotatably mounted in the second tubular member and is held therein.

Abstract: A vertical support member (2, 42) has one or more vertical slots (4, 44) each of which is dimensioned to receive the end of a side rail (6, 50). A portion of a lock member (12, 56) is also received into each slot (4, 44) contiguous to a side rail (6, 50). One end of a rod (18, 58) engages member (12, 56). Rod (18, 58) extends through a horizontal portion of the structure, and its second end is engaged by an adjustable fastener to pull member (2, 42) and the horizontal portion together. In a first embodiment, two perpendicular side rails (6) are received into slots (4), and a diagonal corner brace (8) extends between rails (6). Lock member (12) extends around member (2) between slots (4). A bolt (18) engages a center portion of member (12), extends through member (12) and brace (8), and is fastened by a nut (22). In a second embodiment, one rail (50) is received into a T-shaped slot (44). The lock member is a plate (56) received into the head portion (46) of slot (44).

Abstract: The invention relates to a device for e.g. connecting two shafts (1,2). It comprises an inner sleeve (3) surrounding both shafts, and two outer sleeves (4,6) surrounding the inner sleeve and one shaft each. The inner sleeve is deformed radially inwards into contact with the shafts when the outer sleeves are pressed axially away from each other, whereby sliding occurs in their respective contacts with the inner sleeve. In order to provide a device which does not require access to the end surfaces (12,13) and to avoid protruding parts, pressing the sleeves (4,6) away from each other is made by screws (9) arranged in axially directed threaded bores (8) in the end surface of one of the sleeves (6) and contacting the end surface of the other sleeve (4). The screw heads (10) are accessible from radially outside.

Abstract: A mounting arrangement for mounting a sanitary object with wider and narrower adjoining cutouts and an opening with the axis extending substantially normal to the axes of the cutouts, has a bolt member anchorable in the wall on which the sanitary object is to be mounted, a nut member having a wider portion substantially corresponding to the wider cutout of the sanitary object and a narrower portion substantially corresponding to the narrower cutout of the object, and being screwable onto the bolt member so as to fix the object between the nut member and the wall, and an actuating member arranged to extend through the opening of the sanitary object and to engage the nut member and to be supported by the latter so as to screw the nut member onto the bolt member and to thereby fix the object.

Abstract: A structural joint for a space frame having connecting members or nodes and tubular structural member is provided in which the shank of a connecting bolt, whose head is located within the hollow end portion of the tube, extends through an aperture in the tube end for engagement with a threaded opening in the node. The tube shank has a longitudinally extending keyway formed therein in which a key is slidably received. A nut or sleeve having an unthreaded inner bore receives the bolt shank and has an internal keyway which receives a portion of the key to rotatably lock the nut and bolt together so that the nut may be rotated to rotate the bolt and engage its shank in the threaded opening of the connecting member.

Abstract: The invention relates to means for coupling a first rigid element to a second rigid element, the coupling means including a wheel having a central circular opening therein with a screw thread on the inner surface of the central opening and a rod member including a longitudinal rod having a screw thread on the outer surface thereof. The wheel screw thread and the rod screw thread are mating threads. The wheel is received in a transverse passage extending through the width of the first rigid element in a plane at right angles to the length of the first element and the rod is received in a longitudinal passage in the first element, the passage extending from one edge of the first element into the element and being in communication with the transverse passage.

Abstract: A spiral staircase having at least one straight section and at least one curved section wherein the steps are supported at one end thereof on a wall and at the other end are suspended from a handrail and wherein the handrail is formed from straight sections having a substantially uniform height above the steps.

Abstract: A differentially threaded bolting arrangement for bolting two machine parts together includes one or more bolts the opposite ends of which are provided with threaded sections differing in pitch, a threaded hole in one of the machine parts into which the bolt end with the greater pitch is threaded, a bore through which the bolt passes and an adjacent hollow area in the other machine part in alignment with the threaded hole, and a nut having a cylindric configuration located in the hollow area and which is movable axially but is restrained against rotation. The bolt end having the smaller pitch is threaded through the nut and as the bolt is rotated, the nut is thus caused to move axially into a forced contact with the lower end of the hollow area accompanied by a drawing together of the two machine parts.

Abstract: A coupling between adjacent ends of transfer bar sections which includes a screw having threads of opposite hand at opposite ends thereof engaged with threaded counterbores in the ends of the two transfer bar sections. A spacer ground precisely to a desired length is clamped between the ends of the bar sections when the screw is tightened. The spacer and screw have radially aligned holes therein to accommodate a tool for tightening the screw. The holes are dimensioned relative to the tool so that the screw can be tightened a final increment without rotating the spacer.

Abstract: Foamed-in-place metal skin covered insulating panels for the walls of walk-in coolers, freezers and refrigerated warehouses having a fastening bar assembly encapsulated therein. The fastening bar assembly possesses opposite end male and female fastening means for positive and rigid coupling with like threaded means of adjacent wall panels. The male fastening means includes a lag screw and a unique retaining means for the screw which positions it for use while protecting it from contact with the foamed insulation during fabrication of the panel with the fastening bar assembly in place between jig fixtures. The less efficient, weaker and more costly cam locking means of the prior art is eliminated.

Abstract: The extension of the handle-bar stem is provided with a transverse aperture forming a collar for receiving and supporting the handle-bar. A clamping lug which extends from the collar toward the vertical arm of the stem has an upper face which defines with a lower face of the extension a slot splitting the collar. The lug and the extension are provided with apertures for the passage of a clamping device.The extension also has an axial cavity which is extended by an opening formed in the collar. The clamping device has one end hidden in the cavity and an opposite end hidden within the thickness of the clamping lug.