Abstract: A shrinkage-fit tool holder having a tool holder body 11 having a portion 2 adapted to be connected to a machining center, a manipulator-engaging portion 3, a chuck portion 4 and a tool-holding member 6 for firmly holding a shank of a cemented carbide tool by shrinkage fitting, at least the tool-holding member 6 being made of specialty steel having an austenitic structure that is strengthened by precipitation hardening or work hardening.

Abstract: In an interference fit type cutting tool according to the present invention, a head section and a shank section are fitted together by shrinkage fitting. The shank section is provided with a shaft portion and a taper portion. The head section is provided with a hole portion to be fitted on the shaft portion, and a tapered portion to be fitted on the taper portion. The hole portion and the tapered portion have an interference, and the inner diameters thereof are smaller than the outer diameters of the shaft portion and the taper portion. Two-surface restraint is established by fixing the shaft portion and the hole portion, and the taper portion and the tapered portion with the interference pressure by shrinkage fitting. A key is formed on the leading end face of the shaft portion, a key groove is formed in the bottom face of the hole portion, and the key and the key groove are fitted together.

Abstract: In a friction- and form-grip connection of rotating components (1, 2) which have different expansion behavior in the region of the connection during rotation, the form grip is effected via a stepped centering seat (3). The friction grip between the two components is effected by means of axially prestressed elements. At least one of the components has a cavity (6) in the interior, in which cavity (6) an insert ring (7), which exerts a radial force on the centering seat (3) during operation, is arranged. The prestressed insert ring (7) bears with only part of its axial extent against the component (1) interacting with it.

Abstract: An improved insulated, heat shrink tool system and method of assembly, which utilizes an insulating sleeve within the internal opening of a heat shrink tool holder wherein the insulating sleeve has a thermal conductivity less than that of the tool holder. In use the tool holder, is heated by means of an induction heating system, or hot air. As the tool holder is heated it expands outwardly thereby enlarging or increasing the internal diameter of the holder. The internal section of the holder is lined with an insulating sleeve prepared from titanium or a titanium alloy having a thermal conductivity less than that of the holder. The insulating sleeve is brazed to the inner wall of the holder so that the expansion of the holder during heating will result in a simultaneous, and equal expansion of the inner diameter of the insulating sleeve. The shank of a cutting tool is than inserted within the insulating sleeve of the holder and the holder is allowed to cool.

Abstract: An outer container having a container insert therein for holding a predetermined volume of material. The outer container includes a container bottom having a periphery and a container wall extending generally upwardly to define an interior container portion of predetermined volume sized to accommodate the container insert. The container wall includes a neck portion complementarily sized to accommodate the exterior surface of the container insert. The container insert includes a bottom having a periphery and a wall extending generally upwardly to define an interior portion of predetermined volume for holding the material. The insert wall-includes a vent which allows air to pass from the interior container portion to the atmosphere when the container insert is positioned therein. For assembly, the outer container is maintained at a temperature greater than the container insert and the container insert is positioned therein.

Abstract: A machine tool extension for use with a cutting tool having a generally cylindrical shank portion. The machine tool extension comprises an elongate, generally cylindrical shank which is fabricated from a thermally expandable material and includes a first end and a second end which defines a peripheral edge. Extending axially within the second end of the shank is a bore having a diameter which is slightly less than the diameter of the shank portion of the cutting tool. The second end of the shank is formed with a slight inward radial taper such that the bore terminates inwardly of the peripheral edge of the second end.

Abstract: A baffle assembly for flow disruption comprising a glass coated baffle. A hollow end of the baffle engages with a connector. An interior tubular portion of the connector is glass coated and forms an interference fit with the glass coated hollow end of the baffle.

Abstract: A chuck comprises a mounting base 11, and a protruding shaft 12 protruding from a center of a front surface of the base and having a tapered surface 13 on the outer peripheral surface thereof. A hole 16 is formed in the protruding shaft and has an opened end surface, and the hole has holding portions 14 and pressure portions 15. The holding portions and the pressure portions are alternately arranged, and the holding portions are situated at a plurality of positions evenly spaced about an inner periphery of the shaft 12, and each of the holding portions has a short radius from the center of hole 16. The pressure portions are situated between the holding portions and have a long radius from the center of hole 16. A rotating cylinder 20 is detachably fitted outside the protruding shaft, and a group of rollers 21 is arranged inside the rotating cylinder that the axis of the group of rollers is aligned along the axis of the rotating cylinder and so that they are supported by appropriate means.

Abstract: In a friction- and form-grip connection of rotating components (1, 2) which have different expansion behavior in the region of the connection during rotation, the form grip is effected via a stepped centering seat (3). The friction grip between the two components is effected by way of axially prestressed elements. At least one of the components has a cavity (6) in the interior, in which cavity (6) an insert ring (7), which exerts a radial force on the centering seat (3) during operation, is arranged. The prestressed insert ring (7) bears with only part of its axial extent against the component (1) interacting with it.

Abstract: A cable re-entry assembly and method for feedthroughs and the like is provided. The preferred embodiment includes an expansion mandrel positionally secured on the conduit with a heat shrinkable locking ring, a transition boot with a heat shrinkable sleeve portion and a rigid body portion which couples to a feedthrough nut, and a sealant between the conduit and the sleeve. Upon re-entry and re-use of the assembly, the mandrel mechanically expands the sleeve, when the sleeve is re-heated above its crystalline transition temperature, the expansion mandrel is translated against the sleeve and both the conduit and expansion mandrel are withdrawn from the sleeve. Following repair, the conduit is reinserted into the dimensionally unstable sleeve which is then heated to shrink about and reseal the conduit.

Abstract: A chucking device for mounting a tool on a machine tool is provided, having a mounting section for mounting the chucking device on the machine tool and a thermally expandable shrink section which comprises a holding section intended to receive the tool in shrink-fit relationship. A lead-in section is provided at the outer end of the shrink section, whose inner diameter is selected to ensure that the shank of the tool can be placed in the lead-in section and can be centered therein in a cold condition of the shrink section. A suitable rotatably driven mounting intended to receive the chucking device during clamping of the tool is provided, preferably in vertical arrangement, in order to ensure that the shank of the tool will slide into the holding section from above under the action of gravity.

Abstract: The present invention is generally characterized in an angled rotary tissue cutting instrument including an outer blade assembly, having a rigid tubular member with proximal and distal portions connected by a bend, and an inner blade assembly rotatably disposed within the outer blade assembly and including a tubular drive shaft at a proximal end, a cutting tip at a distal end, and a flexible coupling disposed between the drive shaft and the cutting tip. The drive shaft and cutting tip include neck portions which are disposed telescopically within proximal and distal ends of the coupling.

Abstract: A device for centering a rotational unit on a rotatable hub for rotation of the unit together with the hub. A centering surface which extends around the circumference of the hub extends essentially from a mounting edge for the rotational unit to a stop surface which determines the axial position of the rotational unit. The rotational unit presents in a corresponding way a centering surface which in its one end transcends into a stop surface, which determines the radial position and which is intended for contact with the stop surface of the hub. One of the centering surfaces is divided into a first centering section with a certain larger clearance to the second centering surface and a second centering section with a certain smaller clearance to the second centering surface. The first centering section extends across the main part of the axial distance from the stop surface of the hub to its mounting edge.

Abstract: A device capable of co-operating with an outer pressure member to form a sealing block between two or more elongate substrates and a hollow housing within which the substrates extend, the device comprisingi) an elongate support member andii) two or more elongate flexible leaves each of which comprises a sealing material that (a) is not heat fusible, (b) is secured relative to the support member, and (c) extends laterally of the elongate support member,the device being positioned, in use, between the elongate substrates, so that a first of the flexible leaves extends at least part of the way around the periphery of a first of the elongate substrates, and a second of the flexible leaves extends at least part of the way around the periphery of a second of the elongate substrates, so that in co-operation with the action of the outer pressure member acting inwardly on the substrates and the device, and outwardly onto the housing, a sealing block is made between the elongate substrates and the housing.

Abstract: Method for applying an energy-storing flywheel (2) with pre-tension with an inner bore on a coaxial support (16) rotating symmetrically with the latter and having a tapering outer surface, in which a ring (22a, 22b, 22c, 22d) is placed in the flywheel bore with a tapering inner surface, of which the taper corresponds with that of the support (16) and the entire unit thus obtained is shifted on the support (16) until the desired pre-tension is obtained. In accordance with the invention both the inner bore of the flywheel (18a, 18b, 18c, 18d) and the outer surface of the ring (22a, 22b, 22c, 22d), which co-operate, have a design with a corresponding taper. Furthermore. The invention includes a clamping ring (22a), which can be used when using this method, having a tapering inner surface, the outer surface, intended for functioning with the flywheel being also conical.

Abstract: A method of forming a coupling or connecting a composite drive shaft to an annular member comprising the steps of locating the shaft over the member and injecting adhesive through holes in the shaft to bond the shaft to the member.

Abstract: An annular collar includes a first clamping surface to be positioned radially outwardly of a surface of a bearing inner ring. The annular collar is made of a thermoelastic material such that an increase in temperature decreases the circumference of the annular collar and causes the first clamping surface to clamp against the surface of the bearing inner ring. The thermoelastic material may be a shape memory alloy or a polymer.

Abstract: An auxiliary PTO assembly is designed for attaching a front mounted auxiliary rotary driven hydraulic pump to an OEM truck engine. The PTO assembly includes an auxiliary belt drive pulley which is formed by a ring which is shrink-fitted around a harmonic balancer which forms a portion of an OEM fan drive pulley. A bracket attached to the OEM engine is adapted to hold the hydraulic pump and a plurality of idler and tensioner pulleys. Installation of the inventive assembly is relatively simple and straight forward and entails virtually no modification of the OEM components. The entire PTO assembly including the auxiliary drive belt and the hydraulic pump are accommodated behind the original position of the OEM cooling fan such that the fan shaft does not need to be extended.

Abstract: A ceramic-metal composite assembly includes a ceramic member having a stab shaft and a metallic member having a recess. The ceramic member and the metallic member are joined together by press fit, i.e., by fitting the stab shaft into the recess. The stab shaft and the recess after extraction of the stab shaft from the recess has a set relationship of 50 .mu.m.ltoreq.X-Y.ltoreq.150 .mu.m where X is an outer diameter of the stab shaft and Y is an inner diameter of the recess whilst a surface roughness Rz of the recess in the circumferential direction thereof after extraction of the stab shaft from the recess is 1.5 .mu.m or less.

Abstract: A stator vane assembly for a gas turbine engine that includes a plurality of circumferentially spaced ceramic vanes, each of which has an inner and outer ceramic shroud, and a ceramic post extending from one of the shrouds, and a metallic platform having a plurality of circumferentially spaced recesses. The posts are inserted into a metallic sleeve and then brazed. The brazed sleeves are then mounted in the recesses. A method for assembling these components to form the stator assembly is also described.

Abstract: An arrangement for concentrically positioning a first part relative to a second part, for example, a casing, or sleeve, (2) relative to a shaft (1), when the parts are made from materials with different coefficients of thermal expansion, provides a radial clearance (4) between the first and second parts. The first part (2) is supported along its length by portions facing radially away from the second part, at an abutment arrangement (7, 8) having the same or similar thermal expansion characteristics as the first part (2). The abutment arrangement (7, 8) is held concentric relative to the second part (1).

Abstract: A wiper system for motor vehicles is described, which wiper system includes at least one wiper bearing as well as one drive member cooperating with a motor, which drive member is operatively connectable to the wiper bearing via a carrier. At least the connecting section between the wiper bearing as well as the carrier and/or the drive member is provided with a medium impermeable coating.

Abstract: A chair leg fastener is provided for use in securing wooden chair legs and/or backs to the seat of chairs. The fastener effectively prevents the loosening of the joint between the chair seat and leg as a result of temperature or humidity changes, is simple to install, is economical and provides essentially permanent fastening.

Abstract: The invention disclosed herein is a durable, lightweight, bicycle dropout-fitting design for use on high strength fiber reinforced composite frames and forks of competition bicycles. The invention provides improved fatigue and impact resistance compared to prior art designs. The invention is configured to make maximum use of modern cold metal forming methods to produce the connecting part and adhesive bonding and/or co-curing methods to join the part to the primary structure. The superior structural performance of the invention is provided by a unique geometry that efficiently utilizes the material properties of the part to maximize the rigidity and strength of the joint.

Abstract: The invention relates to an assembled camshaft requiring no further machining, onto which prefabricated cams which have free spaces in their internal diameter are pushed. They have a play-free transition fit during assembly. At least one collar for mounting additional fastening means is preferably provided at the edge of the cams.

Abstract: The method of repairing in situ a damaged or malfunctioning electrical connector (10) of a safety related nuclear reactor instrument (14) and its associated sheathed cable (18) wherein the damaged or malfunctioning connector portion (20) is cut from its associated cable (18) and replaced by a new connector portion. The wires of the cut cable are connected with the replacement connector portion and are suitably insulated. The cut cable and new connector portion are then secured together by a special alloy coupling (34) which is positioned in spanning relation with the cut cable (18) and the replacement connector portion (20). This special alloy has the property that it can be expanded within limits and upon being heated above a critical temperature will return to its original dimension. The tubular coupling accordingly has an expanded diameter slightly larger than that of the replacement connector portion and the sheath of the cut cable but an original inner diameter slightly smaller.

Abstract: This device relates to a pneumatic control system and more particularly to an annular slit restrictor in connection therewith and a method for precisely centering an annular plug within an accurately formed annular hole in a flow control body in a shrink fit operation to cause the plug and hole to be co-axial.

Abstract: An apparatus for assembling a tube and a part has a polymeric tube with an axis along the longitude thereof. The part has a cross sectional shape and size to be near an inside surface of the tube when the part is at least partially therewithin. The part or tube is supported so that relative movement along the axis places the part at least partially within the tube located between the ends or in the tube near the distal or proximal end thereof. The part and/or the tube is a thermoplastic polymer made by a process that develops within the polymer a memory of the polymer prior to forming so that residual stresses remaining in the part can be relaxed by changing temperature causing expansion. A form of a relatively nonconductive material is positioned for relative movement along the axis and for placement about the tube. The form is shaped and sized to fit and contain the outside surface of the tube.

Abstract: A cylindrical standard shank is provided for rotating cutting tools for locating a standard shank in a cylindrical location opening, precisely produced with regard to shape and true-running accuracy, in the work spindles of so-called transfer lines or of, for example, steep-taper adaptors. The cutting tool is, in turn, fixed by a cylindrical press connection in the standard shank serving as an adaptor between the tool shank and standardized location opening. The standard shank has, at the front, a longitudinally slotted clamping sleeve accurately machined on the inside and outside. The clamping sleeve is clamped by an accurately machined shrink collar of shape-memory alloy which is approximately the same length and has at least the same wall thickness, is present in the austenitic structural state at room temperature and in the process is reduced in diameter on account of suitable pretreatment, and bears tightly against the periphery of the clamping sleeve.

Abstract: An assembly for forming a semi-permanent electrical connection between a pair of wires (1,2) comprises a male push-fit connector (3) and a female push-fit connector (4).Each connector (3,4) has a connection part to enable it to be connected to the wire, e.g. in the form of a crimp (5,6) and a mating part for engagement to the other connector. Each of the connectors has a sealing jacket (8,10) for sealing the connection to the associated wire, and one of the connectors has a heat-recoverable skirt (11) which, when the connectors are engaged, extends over part of the sealing jacket of the other connector to seal the connection against moisture ingress. The skirt (11) is provided with a layer of adhesive for forming the seal.

Abstract: Method and apparatus for joining structures, an active structure (10) and a passive structure (12), and imposing a tensile pre-load on the joint by a remotely operable mechanism comprising a heat contractible joining element (15). The method and apparatus include mounting on the structure (10) a probe shaft (15) of material which is transformable from an expanded length to a contracted length when heated to a specific temperature range. The shaft (15) is provided with a probe head (21) which is receivable in a receptacle opening (41) formed in the passive structure (12) when the active structure (10) is moved into engagement therewith by an appropriate manipulator mechanism. A latching system (45) mounted on the structure (12) adjacent to the receptacle opening (41) captures the probe head (21) when the probe head (21) is inserted a predetermined amount.

Abstract: A thermally stressed rotary connection of two coaxially aligned shafts includes two metallic coupling sleeves which are connected with the shafts by way of elastic intermediate layers. The two metallic sleeves engage one another. A ceramic centering sleeve is provided radially around the outside of the coupling sleeves and is shrunk onto the two shafts. The arrangement has the advantage of an effective connectability of different shafts such as ceramic or metal, in which case the two shafts may be connected with one another during the mounting. This allows undivided housings to be used.

Abstract: An engine starter comprising an electric motor having a hollow armature rotary shaft, a solenoid switch for energizing the electric motor and having a push rod extending into the hollow armature rotary shaft, an output rotary shaft having a pinion disposed on a front end thereof, the output rotary shaft being axially slidable relative to the armature rotary shaft to move the pinion into and out of engagement with an engine ring gear. A clutch outer member of an over-running clutch unit is mounted on the output rotary shaft and is connected to the electric motor for being rotated thereby, and a clutch inner member driven by the clutch outer member through a plurality of rollers is provided with helical splines on its inner circumferential surface.

Abstract: A ceramic-metal joined composite body including a ceramic member having a projection formed thereon, and a metallic member having a recess formed therein. The projection of the ceramic member is fitted into the recess of the metallic member, and a corner of a bottom of the recess has a rounded dimension such that R/D.gtoreq.0.04, in which R and D are the rounded dimension of the corner of the bottom of the recess and an outer diameter of the projection, respectively. The ceramic-metal joined composite body particularly is useful in a rotary shaft for a turbocharger rotor or a gas turbine rotor.

Abstract: Heat recoverable soldering devices comprising a heat recoverable tubular article having at least one open end, and containing a solder insert, is provided with a curable adhesive insert between the solder insert and the open end. The curable adhesive melts, flows and cures when heat is applied to recover the article. The adhesive cures such that its viscosity increases to a value of at least 1.5 its initial viscosity during recovery of the article. Curing of the adhesive inhibits flow of the adhesive through the open end of the article and/or into the solder connection formed between two (or more) elongate bodies inserted into the article.

Abstract: A joint structure for joining a ceramic member to a metallic member where the two members have substantially cylindrical end portions. The end portions are place in an abutting relationship and joining member adherent to both connect the two members. A sleeve member covers the joint and is affixed at least to the surface of the end portion of the device having a composition most like the sleeve member. Where the sleeve member is metallic, the surface of the sleeve member is affixed to the metallic portion of the device.

Abstract: Ceramic and metal shafts are joined at their ends by brazing, with a buffer member being interposed therebetween. The joined ends of the ceramic and metal shafts and the buffer member are received within a metal sleeve and joined by brazing to part of the inner circumferential wall of the metal sleeve in such a manner than an axial end of the joint where the inner circumferential wall is securely joined to the ceramic and metal shafts is positioned between opposite axial ends of the metal sleeve and at the same time between opposite axial ends of the ceramic shaft. The outer circumferential wall of the metal sleeve is formed with an annular groove in the place corresponding to the above mentioned axial end of the joint with respect to the axial direction of the metal sleeve.

Abstract: A fitting assembly having a ceramic piece fitted to a cup-shaped metal piece filled with solder. Through the use of the difference in thermal expansion coefficients of ceramics and certain metals, an assembly for properly gripping the ceramic by the metal cup is created.

Abstract: Apparatus for insertion of an object into a close clearance hole utilizing a double taper starter system. The apparatus includes a first taper to align the object radially; a narrow section of length such that with the object tilted to the angle of the first taper, clearance in the hole is maintained; a cut-back segment of either constant diameter or reverse taper geometry; and a second taper of approximately the same size and shape as the first taper to align the object angularly. The apparatus of the invention can be advantageously used in mechanized assembly processes, the assembly of shafts into bearings, and in thermally assembled or regular interference fits.

Abstract: To seal a cable junction, an insert is placed between two branch cables of the junction, which is then enclosed by a heat shrinkable envelope. The insert has at least one insert part having a block of heat fusible material attached by one or more flanges of heat conductive material to the branch cables. The block lies between the branch cables at least partially inside the envelope. Then, when the envelope is heated to cause it to shrink, the block fuses, thus forming a seal. For most sizes of branch cables, two insert parts may be used, but three or more may be used for large branch cables. The flange preferably has a tongue extending into the block to assist heat conduction.

Abstract: A mounting assembly for releasably securing a steering column of a motor vehicle to the chassis of the vehicle includes a bracket attached to the steering column, with the bracket having a plurality of rearwardly opening primary apertures therein, and a plurality of modules molded in place upon the bracket, with each of the modules registered with one of the rearwardly opening apertures, and with each of the modules including a solid body having an annular groove which (i) is formed during the molding of the module; (ii) which circumscribes a portion of the module and (iii) which is in contact with the bracket. Each module has an aperture through which a fastener may be inserted so as to secure the bracket to the chassis of the vehicle.

Abstract: A structural connection device is disclosed and is formed of a plurality of hub components having extending ear pairs for connecting with elongated struts or the like for constructing spatial structures. The hub components are positioned in stacked abutting relationship and connected into a unitary device via a single elongated rod connector disposed through and sealed within a large single axially aligned perforation extending centrally through each of the hub components. Adjacent hub components are rotated relative to each other prior to assembly to provide an angular relationship between the respective ear pairs of adjacent hub components.The elongated rod connector 16 (FIGS. 1-2), and 16a (FIG. 3) is fixed to the hub components by shrink fitting, force fitting or adhesively bonding. Other connection embodiments utilize a key-keyway arrangement (FIGS. 4-5a), a cross-pin arrangement (FIGS. 6-7a) and a star or gear shaped connector element (FIGS. 8-9).

Abstract: An improved accurate lightweight manual tool to cut suburban lawn and garden weeds efficiently and with little time and effort expended. It is like a miniature hoe half a man's height in length with a very thin very narrow blade, in length four to five times its width (FIG. 5). The chipper's light weight is achieved with a very lightweight conduit handle of any section joined at right angles by a secret joint to a backing plate for the blade and weighted with billet to increase and change the power for weight. A thin shock absorber is bolted between plate and blade by.The secret joint uses a steel billet driven through the metal plate into the conduit handle thereby expanding the handle against the metal collar and plate which has a self-centering protrusion fitting into a recess in the collar. The permanent right angle secret locking joint uses totally prefinished components.

Abstract: A ceramic-metal composite body is produced by fitting a protruding portion of a ceramic member into a concave portion of a metallic member. In this case, the protruding portion has a quantity of undulation in a plane including the axial line of the protruding portion of not more than 5 .mu.m.

Abstract: This invention relates to a sealed solder connector assembly and method of use operable to interconnect adjacent conduit wire members having exposed wire sections extended from insulated cover sections. The sealed solder connector assembly includes (1) a main support member constructed of a flexible plastic tubing; (2) a wire anchor member constructed of a low temperature melting point solder material placed interiorly and centrally of the main support member; and (3) an interior anchor coat of a temperature controlled adhesive film anchored to an interior surface of the main support member. Application of heat to the main support member results in (1) initial securing of the wire anchor assembly centrally of the main support member; (2) anchoring and sealing the main support member about the conduit wire members; and (3) melting and fusing the wire anchor member to the wire sections of the wire members.

Abstract: A method and apparatus for securing one or more parts, each of which is provided with an opening, to a hollow member. In the starting state, the inner diameter of the opening of the parts is greater than the outer diameter of the surface provided on the hollow member for securing the part. The parts are placed in the prescribed position on the hollow member prior to the securing operation. In order in a simple and economical manner to reliably secure the parts to the hollow member without the danger of overstressing the latter, and without the danger that the parts will loosen, a temperature difference is produced, prior to placing the parts on the hollow member, by heating the parts and/or by cooling the hollow member. Subsequently, each part is secured to the hollow member by widening the latter at least in the securing regions thereof, and by a subsequent shrink fitting of the parts onto the hollow member as a consequence of the temperature equalization that occurs.

Abstract: The invention relates to novel bearings and methods for making bearings. The method comprises dimensionally recovering at least one race or rolling or sliding element such that a rolling element is free to roll or slide yet contained within the race.

Abstract: In order to connect the case parts (10, 12) of several potentiometer planes, a heat-shrinkable sheath (36) is used. On the outer faces (18, 20) recesses are provided along the contact faces (14, 16), between which recesses a connecting bead (30) is formed. The bead has a knurled edge (34). A heat-shrinkable sheath (36) is tightly applied, after heating and shrinking, to the bead (30), thus connecting the case parts (10, 12) in an axial and angular manner.

Abstract: A rotation sensor for vehicle includes a drive shaft connected to a rotation shaft of a vehicle by a transmission member, a ring-shaped magnet member provided onto the drive shaft and a detector for detecting change of magnetic flux caused by rotations of the magnetic member, wherein rotation frequency or rotation speed can be measured by detecting the changes of the magnetic flux. The magnetic member is formed of a composition of heat resisting resin and magnetic materials, and the formed magnetic member is fixed to the drive shaft through a heat resistant elastic member. As a result, even if the rotation sensor is located in high temperature place, e.g. around an engine, there is no possibility that a crack in the magnet member will be caused since expansion or contraction in the magnetic member can be absorbed by the elastic member.

Abstract: An extruded connector has a bifurcated edge with a generally C-shaped cross section for engaging an enlarged edge of an adjacent panel. When changing the temperature conditions surrounding the connector, the bifurcated edge contracts and clamps the enlarged edge of the panel. The structural frame member is fastened to the connector at an edge opposite the bifurcated edge for completing a strong rigid connection between the panel and the frame member.