Abstract: A improved take-down archery bow is detailed which is easily taken apart, does not require excessive tools, and has the advantage of being useful in existing bows. These and other advantages are provided in a take-down archery bow comprising: a first elongated limb and second elongated limb each comprising a string attached on one end and matching abutment joint opposite thereto; a first assembly mechanism attached to the abutment joint of the first elongated limb comprising an alignment post parallel to the first elongated limb; a second assembly mechanism attached to the abutment joint of the second elongated limb comprises an alignment bore parallel to the second elongated limb capable of receiving the alignment post and aligning the matching abutment joints; an attachment plate rigidly attached to the back of one elongated limb and removable attached to the back of the other elongated limb.

Abstract: A motion transmitting rod (16), particularly for a gear box, has as a portion of its length an elastic filtering sleeve (11) engaged by its ends into two tubular extremities (17) of two rod parts of the rod (16) which rod parts are then connected to each other. The sleeve can be a rectangular cross-section bar (12) coated with an elastic coating (13). In addition, the bar (12) has at the union between the tubular extremities (17) of the rod at least one widening portion (18) which is also coated with the coating (13) and which is engaged into two notches (19) with shapes complementary of that of the widening portion (18) and provided at the end in the extremities (17).

Abstract: A device designed to replace the existing mounting bolt and snap-ring on most derailleurs. A head and barrel are connected to retain the spring and tension adjusting components of the derailleur and to serve as a receptacle for a pin. The pin attaches directly to the derailleur hanger of the bicycle and is designed to withstand normal pedaling forces, while assuring separation prior to excessive yielding of the derailleur. The pin is manufactured with an opening so that a tool can be inserted in it to easily remove the separated pieces. As a result, damage to the frame and derailleur is prevented and the bicycle can be easily repaired by replacement of the pin.

Abstract: A spring-loaded wedge dead end for use in electrical transmission lines has upper and lower jaws which close upon one another in a wedging action to grasp the dead end of such a line. The wedge dead end includes a U-shaped clevis for use in attaching it to a pole or the like, and upper and lower jaw guides which form a U-shaped channel in which the upper and lower jaws are disposed. The jaws are spring-biased toward a closed position, are coupled so as to move in a corresponding manner, and may be locked in a fully open position, from which an installer may release it when an electrical transmission line is correctly placed between the open jaws to simplify the dead-ending of the line.

Abstract: The new doubling coupler is a generally cylindrical sleeve which connects two standard, spring-action cores for standard, toilet tissue paper roll holders to form a double-length core which can be held between two standard, toilet roll holder mounting brackets, which have been relocated to accommodate the double length core, in order to hold a toiler roll in position for use and also hold a spare roll also in position for use. There is a buffer attached to the sleeve to prevent rotary motion of the roll in use from being coupled directly to the spare roll.

Abstract: Connection piece (3), which is mounted on the end of a wire cable (2), for connecting the wire cable (1) to a mounting support taking up tensile forces caused by longitudinal stresses in the wire cable (2), in which the external dimensions of the connection piece (3) in the direction transverse to the extended axis of the wire cable end (1) are substantially equal to or smaller than the diameter of the wire cable (2) and in which the wire cable is compressed in its end region until the wire cable end (1) fits into a cutout (6), provided for receiving the latter, in the connection piece (3).

Abstract: A rapid coupling for a supported, driven shaft is disclosed. The coupling includes a coupling sleeve which is axially slidable over a drive shaft but keyed to the drive shaft to ensure that the coupling sleeve rotates with the shaft. The coupling sleeve has a driven end which includes slots for engaging driven pins affixed to a driven shaft. The coupling sleeve slides over and supports the driven shaft in a coupled position. The coupling sleeve is held in the coupled position by a quick release pin received in a bore through the drive shaft. The advantage is a simple coupling that is easily manufactured, the coupling being serviceable in a very restricted space where the driven shaft must be uncoupled without axial movement of either shaft.

Abstract: A coupling device for connecting a wire and a knob of elastic material is disclosed. The wire has one end formed into a hook and a portion curved into a generally U shape and connecting to the hook. The knob has a bore receiving the wire and a wall portion surrounding the bore. The wall portion is formed with a slot engaged by the hook, and a bulge protruding into the bore and engaged with the U-shaped portion of the wire. The bulge is so constructed and arranged as to prohibit removal of the U-shaped portion of the wire from the bore after the bulge has allowed insertion of the U-shaped portion into the bore.

Abstract: A double-shank ball fitting has a ball with integrally formed shanks projecting in opposite radial directions from a center of the ball for releasable locking engagement with a mating fitting having a pair of longitudinally aligned, reversed keyhole openings sharing a common ball swivel cavity with individual grooves disposed along opposed major surfaces of that mating fitting to form longitudinally aligned, shank-receiving slots.

Abstract: A coupler for use in swivably independently securing the remote ends of a monofilament or wire, which wire is constantly in a cantilever bending motion at its remote end when folded and necessitates a freedom of rotation. The connector itself has a preferably cylindrical body having two tapered elongate nesting pockets which are separated from each other by an interior stop at the mid-portion of the connector cylindrical body. The elongate pockets are characterized by a taper which is dimensioned to receive and friction fittingly engage the remote ends of a wire or monofilament a spaced distance from the central stop of the connector cylindrical body.

Abstract: A plurality of accessories which may be assembled in a kit in a compact carrying case for modifying an expandable baton for multiple uses. The kit includes two expandable batons, a coupler, interchangeable tips and a carrying case. Each expandable baton includes a telescoping end with a removable tip and a handle with a threaded end covered by an endcap. The removable tip is specifically designed to include a circumferential resilient member which prevents the tip from accidently disengaging from the baton while being easily interchangeable. The coupler is readily secured to the threaded end of each baton to form a riot control device which is expanded by a rapid single twisting motion. The baton may also be modified for use as a search tool by replacing the interchangeable tip of the baton with any of a plurality of interchangeable tips. The interchangeable tips may also be used with a shorter baton, such as a keyring baton.

Abstract: A locking mechanism (2) for stock restraining equipment, for locking a bar (3) in position at any position along a major length of the bar (3), mechanism (2) including a housing (7) to form a tapered passage (11), a roller (6) in the passage arranged to bear against the side of the bar (3), the bar (3), passage (11) and roller (6) being arranged so that the roller (6) can move along the passage between a lock position and a release position, along with a lever for moving the roller (6) between the lock position and the release position.

Abstract: A tapered buffer for a cable joint comprising a threaded collar adapted to be screwed onto a complementary threaded end portion of a rigid housing, a helical spring attached at one end to the collar and a conical resilient body moulded over and extending beyond the free end of the spring, the buffer having a bore adapted to be a close sliding fit over the cable, wherein the pitch of the spring coils is varied along the axis of the spring to provide a controlled degree of flex for the cable entering the joint.

Abstract: A connector is provided formed from an elongated seamless tubular member having a first segment to which a conductor may be attached and opposite second segment which comprise a male connector end or a female connector end. The conductor is attached to the tubular member by providing a groove or crease in the first segment. The conductor lead is disposed in such groove and, the first segment is then crimped to hold the lead in place relative to the conductor. Alternatively, the lead may be soldered to the groove or sandwiched between the groove and a sleeve positioned upon the first segment.

Abstract: A versatile framing system incorporates open channel members and closed tubular members. The closed tubular members provide strength, while the open channel member allows various members to be attached at an infinite number of positions along its length. The inventive system thus successfully incorporates the advantages of both open channel members and closed tubular members.

Abstract: A mechanical coupling device includes a spring retainer wound up around two tie rods inside a housing, a driving device supported on a bearing plate above the spring retainer and having an axle extended out of the housing through a center hole. Inserting a rod member through an opening on the housing into openings on two side sections and an intermediate section of the spring retainer causes locating spring leaves on the spring retainer to be spread out to hold the rod member firmly fastened. Rotating the axle of the driving device in one direction causes the spring retainer to be contracted in moving back the locating spring leaves and releasing the rod member; rotating the axle of the driving device in the reversed direction causes the locating spring leaves to be spread out to hold the rod member being inserted firmly fastened.

Abstract: Quick-disconnect couplings for three-piece rotors in a two-rotor continuous mixer for plastic materials enable a main rotor section (or "main rotor body") of each rotor to be uncoupled from a drive journal located at one end of the main rotor section and a driven journal located at the other end of the main rotor section.

Abstract: The field of invention is containers able to receive a propellant charge. A container (1, 12, 13) according to the invention, which is designed to be joined to another container at one of its end faces is characterized by the joining means having on the one hand a ring disposed on a constricted area provided at one end of the container, the ring being slidable axially to cover a second constricted area provided on the other container, and on the other hand having hooking device disposed on at least one of the container and the other container at the end faces designed to come in contact with each other.

Abstract: A versatile framing system incorporates open channel members and closed tubular members. The closed tubular members provide strength, while the open channel member allows various members to be attached at an infinite number of positions along its length. The inventive system thus successfully incorporates the advantages of both open channel members and closed tubular members.

Abstract: A first shaft which is, for example, the output shaft of a clutch, is coupled to a second shaft which, for example, is the input shaft of a transmission, by a splined coupling. The splined coupling includes a first sleeve having internal splines for splining with the first shaft and external splines for splining with the internal splines of a second sleeve which internal splines also spline with the external splines of the second shaft. A first spring extending between the first sleeve and first shaft biases the first sleeve toward the second shaft, while a second spring extending between the first sleeve and second sleeve biases the second sleeve toward the second shaft. In order to decouple the first shaft from the second shaft so that, for example, a clutch may be removed from a drive train without removing a transmission, the first and second sleeves are pushed to a retracted position, collapsing the first and second springs.

Abstract: The invention provides an easily assembled connector for handle sections of a wheeled appliance in which the connector is formed from a plastic having an agressive memory for enabling a pair of opposed tab members thereon formed from the same material to cooperate with respective apertures in the handle members to be joined or connected. The handle members are slip-fitted the one onto the other with the connector occupying a reinforcing position on the inside surface of the end of the innermost handle member in one embodiment and, according to another embodiment in which the connector housing comprises two half portions, joins the handle members in an abutting relationship.

Abstract: A removable section of duct is sealingly coupled to a relatively fixed length of duct by means of a flexible, preferably elastic, sleeve which is attached to one of the lengths of duct towards one end thereof and at its other end to a relatively stiff collar which is shaped to fit closely over the adjacent end of the other duct. The elasticity of the sleeve tends to retain the collar in position and to maintain a tight seal while permitting a degree of relative movement including longitudinal thermal growth.

Abstract: A process for converting a motor vehicle to a free towing motor vehicle. The process includes the steps of removing an axle between the differential and one of the driven wheels and replacing it with a pair of stub axles with a connect/disconnect lock therebetween. In order to tow the vehicle, the connect/disconnect lock is moved to the unlocked position so that the driven wheels may turn freely.

Abstract: The quick-locking connector comprises a tubular female body member 14, open at one end to receive a male member 10 therein. A latch 18 is located within the female body member 14 spring-urged towards the open end to engage the male member 10. A plurality of external, longitudinally spaced bearing surfaces 40-43 are provided on the male member 10 and complementary bearing surfaces 40-43 are provided internally of the female body member such that after entry of the male member a quarter turn of the members brings the respective bearing surfaces 40-43 into engagement at longitudinally spaced intervals against pressure from the latch to provide a longitudinally spaced plurality of complementary bearing surfaces 40-41 to be subjected to axial impact forces tending to pull the male and female members apart. A plurality of complementary bearing surfaces 42, 43 may be provided to be subjected to impact forces in the opposite axial direction.

Abstract: End plastic connectors on the ends of two construction members like concrete forms. Each connector has a pair of bosses on opposite corners and a pair of openings in opposite corners so that the bosses on one connector mate with the openings in the other connector. Each boss has an annular rib sized to press through the associated opening, which is circular with a pair of flats, to latch the connectors together. Each rib is spaced from the remainder of the associated connector a greater distance than the thickness of the material of the connectors around the openings thereby permitting limited angular adjustment in orientation between connectors. Each construction member is a piece of dimensional lumber in one form of the invention, to which the end connectors are attached by nailing. In the other form of the invention, each construction member is a plastic extrusion and the end connectors have protrusions interfitting into the plastic extrusion.

Abstract: A helical spring coupling for coupling together two helical spring ends, particularly two ends of a carrier in the form of a helical spring in a conveyor, comprises a coupler which is in engagement with both helical spring end portions. Over a certain distance the turns of the two helical spring end portions are turned coaxially into one another and lie one against the other in the axial direction. The turns fit into a helical groove formed in the coupler and whose pitch coincides with the pitch of the turns.The coupler may consist of an elongate core part having a helical rib provided on its outer peripheral surface, the groove being formed in the outer side of the rib. The two helical spring end portions may be fixed by one or more threaded bolts extending transversely through the coupler and pressing against the turns of the helical spring end portions in the groove.

Abstract: A collapsible easel and a method for packing the easel in a box. The easel includes two leg pairs, located in a spaced parallel relationship by a planar member attached to one leg of each leg pair. The planar member has a writing surface for receiving ink from dry erase markers or the like. The legs of the easel have two members joined in collinear end-to-end abutting fashion. A tray for receiving writing instruments, erasers or the like is disposed between the leg pairs. The invention further includes a method for packaging the components of the easel in a box in a compact manner.

Abstract: Three-dimensional balloon sculptures (50, 56, 66, 86, 88, 89, 90, 99, 125, 136, 137, 159, 160, 169, 178, 186) and methods of forming same from one or more basic balloon building blocks (106, 106', 106", 126, 159) each including at least one rigid lineal rod-like balloon former (100, 100', 138a, 138b, 149, 162, 174, 181, 182, 184) defining one or more lineal barrier(s) precluding distension of a portion of the sidewall of a conventional balloon of the type having a constricted neck portion (111) terminating at one end in an inflation aperture (112) and at the other end in an imperforate inflatable sidewall (108).

Abstract: A molding bracket for covering a seam formed by two end-to-end panels, subject to thermal expansion and contraction. The bracket comprises a longitudinally extending division bar, two pairs of flanges extending in opposite directions from the division bar to define opposed channels for receiving the ends of the panels between the pair of channels. Stop bead means on the inside of at least one of the flanges of each pair extend into the channels for engaging the panels inserted therein, thus allowing the panels to be inserted far enough into the channels to cover the ends of the panels and while allowing the panels to move past the stop bead means upon thermal expansion of the panels to prevent buckling thereof.

Abstract: A fastening device to fasten at least two edge-to-edge contiguous panel facings includes a plurality of looped members projecting from the back face of each panel facing along the longitudinal sides thereof. Each looped member has an engagement face spaced parallely from the back face and two opposed angled flanks connected to the back face. Key members are to be inserted into the looped members, each having an insert rod portion and a handle rod portion which forms an angle with the insert rod portion, the insert rod portion having a pair of first opposed longitudinal faces, and a pair of second opposed longitudinal faces. The distance between the first opposed faces is smaller than the distance between the engagement face and the back face so that the insert rod portion can be inserted into two aligned looped members, and the distance between the second opposed faces is greater than the distance between the engagement face and the back face.

Abstract: A drive coupling for transmitting rotary motion from an input shaft to an output shaft is provided. The drive coupling comprises a male member formed from plastic having a protruding flange, and a female member formed from plastic with a cavity shaped to accept the protruding flange of the male member. The male and female members are secured to the ends of the shafts to be coupled in such a manner that the protruding flange of the male member is fitted into the correspondingly shaped cavity of the female member whereby the members are joined such that rotary motion of one member is transmitted to the other member. Preferably, the male and female members of the drive coupling are made from polyurethane having a hardness of 80 on the Shore Durometer A scale.

Abstract: A ceiling system constituted of inverted T support members arranged in a horizontal grid, wherein T members aligned in end-to-end relation are interconnected by a splice member bridging the joint between them and having a pair of horizontally spaced clips respectively projecting through openings in end portions of the webs of the interconnected T members. The splice member is a sheet element having portions bent laterally and downwardly about horizontal bending axes to form the clips, and side edges bent obliquely about vertical bending axes for bearing against the webs of the T members to cooperate with the clips in securely interlocking the splice member and the T members.

Abstract: A coupler to connect spaced apart ends of a pair of aligned shafts in an odometer assembly, for example, the shaft supporting a permanent or total mileage counting device and another shaft supporting a trip counting device. The coupler has a central body with a thin guide portion extending therefrom for insertion between the shaft ends. Each end of the coupler has a pair of spaced legs defining an open ended slot adapted to receive a shaft end. One leg on either end has a resilient catch-tab for holding the coupler in position on the shaft.

Abstract: A shaft coupler particularly adapted for automated assembly to axially spaced ends of two axially aligned shafts such as are commonly found in an odometer assembly. The coupler has a main body portion with a guide portion adapted for insertion between the shaft ends and spaced legs at either end adapted for sliding insertion over flats formed on the shaft ends. The main body has a projection therefrom adapted to be gripplingly engaged by an installation tool. Also, the projection and tool define mutual nonsymmetrical portions for orienting the tool and coupler relative to the shaft so that the coupler may be installed thereto in a simple radially directed movement.

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: ahe support extends longitudinally beneath the worktop portion of the desk, structurally connects tubular legs, box legs, load-bearing drawer units and worktop portions and is formed by modular elements of predetermined length having at the ends thereof connecting elements for connecting modular elements end to end. Mountings are provided at intervals for laterally connecting other modular elements by means of connecting elements giving rise to various configurations. The modular elements and the connecting elements internally house power outlets and cables and are of channel section with large openings of intervals along their bottom and side walls, to permit easy access to the cables and to power outlets for supplying the items of electrical equipment which are supported by the worktop portions.

Abstract: An adapter for interconnecting hollow toy building blocks having a generally cylindrical primary projection extending outwardly therefrom comprises a housing which is generally square in cross section, having two interconnected pairs of generally parallel sidewalls defining first and second open ends for receiving the blocks to be interconnected. The adapter further includes one generally cylindrical tubular member substantially within the center of the housing, the cylindrical tubular member extending generally parallel to the sidewalls and being supported by at least one flange member extending inwardly from one of the sidewalls, the flange member being generally parallel to and of substantially the same height as the sidewalls.

Abstract: A selectively preloaded coupling assembly 10 for connecting tubular members includes a tensioned annular member 12 including opposing coupling means 14, an annular recess 22 formed within the tensioned member and a tension maintaining annular member 26 seated within the annular recess.

Abstract: A drive coupling device for transmitting a rotational drive force from an optical instrument such as a camera body to another optical instrument such as an exchangeable lens has a construction which couples driving and driven coupling members steadily while centerizing the center axes of the driving and driven coupling members for efficient drive force transmission. A flat male engaging portion having a top surface and parallel side walls is formed on the driving coupling member while a slotted female engaging portion having a concave bottom wall and parallel side walls is formed on the driven coupling member. With the optical instruments connected to each other, the male engaging portion is brought into engagement with the female engaging portion under a force of a spring.

Abstract: A modular approach to the fabrication and assembly of metallic bellows assemblies is disclosed. A metallic bellows module is provided with a female coupling arrangement in the form of a circumferential pocket at one end and a conically shaped male coupling arrangement at the other end thereof. The conically shaped male coupling on one metallic bellows module is receivable within the circumferential pocket in a female coupling on another metallic bellows module. A plurality of set screws positioned around the periphery of the female coupling contact the conical surface of the male coupling causing the male coupling to move axially into the female coupling compressing an O-ring positioned within the circumferential pocket in the female coupling.

Abstract: A collapsible, portable tote-table is described. This table can be easily manufactured with a minimum number of parts and, when assembled in a facile manner, is strong, light and completely transportable. The system for the assembly of the aforementioned tote-table can be done by anyone of normal skill and is dominated by a novel dog system for interconnecting the various parts.

Abstract: A cruise control servo cable assembly comprising a standard cable including a universal shielded cable end having means at its extremity for attachment to the appropriate one of a set of clevises or adapters provided with the cable assembly. The celvises are of a low cost stamped metal or molded plastic type and are appropriately marked so that by referring to an accompanying chart the installer can select the correct clevis for a particular vehicle and engine option and discard the remaining unused clevises. Means is provided for securely locking the selected clevis to the cable end. The shield encloses the cable end and moves back and forth with the clevis or adapter.

Abstract: A repair kit for repairing a lever switch, such as a turn signal lever. The repair mounting includes a bore dimensioned so as to insertably receive the broken end of the lever arm therein. A correspondingly shaped switch engaging portion is permanently affixed to the sleeve opposite the bore. The lever arm is affixed in the bore by a fastener, threading, adhesive, or the like. The repair kit includes the sleeve, an affixed and correspondingly shaped switch engaging portion, means for manipulating the broken switch engaging portion and removing it from the column, and an adhesive for attaching the broken lever arm to the sleeve.

Abstract: A joint structure for channels used in agriculture, industry etc. which is constructed for connecting a number of concrete units to each other. The joint structure strengthens the resistance of channel both to sinking and upheaval.Neighboring concrete units are interconnected by connector plates and two fasteners passing through fastener holes formed on each end of the connector plate. An eccentric washer plate fitted on the fastener is urged against both a stop flange disposed between the fastener holes and another stop flange disposed at the lateral outside of the fastener hole of the slot type.

Abstract: A clothes hanger assembly in which a plurality of modular elements are provided with accessary holders for the display of garments, the modular elements being adapted to be joined to one another to form a plurality of displays in different shapes and sizes.

Abstract: The device comprises a barrel which is indexed by a multi-spindle lathe at each machining operation. The barrel comprises guiding tubes for the bars to be machined which are in rotation in a fluid delivered between the guiding tube and the bar by pipes connected by tubular shafts to a fluid distributor having inlets connected to different sources of pressure. The feed of the bar is controlled exclusively by a feeding piston under the action of the pressure of the fluid delivered by extension tubes located at the rear of the guiding tubes and maintained in alignment with the latter by sliding rings which ensure the tightness between the tubes.

Abstract: An adaptor structure for connecting a plurality of beverage cans together in selected configurations comprising a base plate with connector members on a first side thereof, a can-receiving socket on the opposite side thereof and spacer members within said socket. The cans have end recesses in which the spacer members seat when an adaptor is coupled to a can to form a strong, stable connection. Cans are assembled end-to-end with back-to-back adaptors at the end interfaces, the adaptors being connected to each other by the connector members.

Abstract: The invention pertains to bedding support apparatus for supporting bed clothes above the mattress to alleviate the weight of bed clothes upon a patient. Rigid frame elements inserted under the mattress include a wire core encased in a cylindrical synthetic plastic cover. The bedding support consists of two frame elements each having coaxially aligned end portions bridged by a tubular connector into which the end sections are telescoped. Depressions are formed in the connectors extending into the connector bore whereby frictional engagement is made with the element cover permitting the width of the bedding support to be readily adjusted, and the depressions insuring frictional contact between the frame elements and tube connectors regardless of variable dimensional tolerances.

Abstract: A twisted cable assembly and a method of making the same. The cable assembly comprises first and second spaced apart end spools and a continuous length of wire. The wire is looped around and extends between the end spools, and sections of the wire between the end spools are twisted into a composite strand. With one embodiment, an elongated malleable wire also is connected to and extends between the end spools to hold the cable assembly selectively in a range of curved positions. With an alternate embodiment, a stiffening wire is connected to and extends between the end spools to inhibit bending of the cable assembly.

Abstract: Coupling apparatus comprising two plates to be coupled together, with each plate carrying a locking mechanism for receiving a coupling member, the coupling member having two ends, each end being adapted to engage and couple to the locking mechanism on one of the plates whereby the two plates can be rigidly coupled together.