Abstract: A tool for the installation and removal of a lever cam operated spring clip. One embodiment of the invention has a pair of levers pivotally attached together, with one of the levers configured to frictionally engage the cam lever and the other lever configured to engage the clip's outer perimeter. Once the tool is installed on a lever operated cam spring clip, a slight squeeze of the two levers spreads the clip hooks to a position where the clip can be installed over a heat sink and engaged with an underlying electronic device. Pivoting the tool about the cam pivots the cam about its axis until the clip is locked into place. The tool can then be disengaged from the cam lever. Removal of the clip is accomplished by reversing the process.

Abstract: In a rotary stage, driven by a conventional multi-tooth rotary worm wheel, interacting with a rotationally powered worm gear, a housing functions as a base mount for the worm wheel. The housing has a bore disposed within a cylinder positioned perpendicular to the worm wheel axis. A rotational power source, such as a motor, is mounted on an elongate support which is mounted along an elongate edge to a base of the housing. The support extends parallel to the motor axis and, along with a biasing spring, biases the motor and worm gear toward the worm wheel. Adjustable screw are provided to vary the pressure load of the bias of the worm gear against the worm wheel, or providing a selectable anti-backlash pressure between the worm wheel and the worm gear.

Abstract: A clamp that may be attached to a vehicle door to hold the door closed without damaging the vehicle is described. The device may be used by a police officer to secure the door of the vehicle, thereby preventing the occupants from opening the door suddenly and injuring the officer or fleeing. The mechanism for closing the clamp may be powered by a number of means, including an electrical motor, a hand pull, a spring, compressed air, and the like. The device includes a means for releasing the clamp when the officer no longer has reason to suspect that the occupants will injure him or flee.

Abstract: The present invention relates to an ampul containing a marking substance and intended for use in a theft-deterrent device for theft-attractive goods. According to the invention, the ampul (2) encloses an alarm element (8) which can be sensed or detected by an electronic alarm system and which is inaccessible unless the ampul (2) is broken, crushed or destroyed in some other way such as to release the marking substance (4). The invention also relates to a theft-deterrent device which includes such an ampul.

Abstract: A device for temporary attachment to goods having a flexible material for the protection thereof against theft. The device includes a side with a recess formed therein, the recess having a given shape. The recess is bounded laterally by undercut side walls. A part having a shape substantially complementary to the recess of the member and being adapted to be inserted in the recess. The recess of the member and the part defining a space therebetween for receiving and clamping a layer of flexible material of the goods to be protected against theft without penetrating through the flexible material. The recess and the part are provide with mutually cooperating means for releasably locking the part in the recess of the member with the layer of material clasped in between.

Abstract: A system for deterring theft is made up of a clamp for attaching to a small item of merchandise such as a wallet, check book wallet or pocketbook and a spreading tool for attaching the clamp to and removing it from the item. The clamp is a generally U-shaped clamp having two clamping arms with a relatively strong biasing force between them. Padding is provided on the inside surfaces of the clamping arms. At least one of the clamping arms is provided with teeth which, when the clamp is attached to the item, will cut into the surface of the item if an attempt is made to slide the clamp relative to the item. The spreading tool opens the clamping arms against the biasing force to allow the clamp to be attached to or removed from the item. The preferred tool has biasing springs which tend to keep the jaws in a nearly closed equilibrim position. In a second embodiment a sliding retainer keeps the clamp in place relative to the spreading tool while the clamp is being attached to the item.

Abstract: A marker device includes a plate receiving an identifying message and at least one pair of arms facing each other and adapted to attach the device to a support. Each arm includes in the gap between them a finger extending towards the plate. Over at least the width of the finger in the direction parallel to the lengthwise direction of the plate, the arms each lie alongside a respective opening in the plate providing access to the finger. One application of the device is to marking electrical conductors and/or electrical devices such as terminal blocks, for example, provided with an appropriate support.

Abstract: A hair anchoring and decorating device comprises a receiving section locatable in an area of hair. The receiving section is a clamp ring made of a resilient material. A plurality of comb assemblies comprising an arcuate comb having a plurality of teeth are arranged around a central wheel having a geared outer circumference. At least a portion of each comb assembly is geared for interlocking with the gears of the central wheel for providing rotational movement of the combs and teeth. The teeth are movable in a receiving space of the clamp ring for securing a gathering of hair between the teeth of each comb. A positioning tool is engageable with the central wheel and comb assemblies for effectuating rotation thereof.

Abstract: An engaging structure of two decorative articles including a female seat formed at a center with a circular opening having two opposite grooves and provided at one side with an arch-like member located over the circular opening and having two legs, and a male seat formed at one side with a cylindrical pin having two opposite protrusions extending radially outwardly from an upper end thereof, the protrusions being adapted to go through the grooves of the female seat, whereby the two decorative articles can be conveniently engaged or disengaged.

Abstract: A hair anchoring and decorating device comprises a receiving section locatable in an area of hair. The receiving section is a clamp ring made of a resilient material. A plurality of comb assemblies comprising an arcuate comb having a plurality of teeth are arranged around a central wheel having a geared outer circumference. At least a portion of each comb assembly is geared for interlocking with the gears of the central wheel for providing rotational movement of the combs and teeth. The teeth are movable in a receiving space of the clamp ring for securing a gathering of hair between the teeth of each comb. A positioning tool is engageable with the central wheel and comb assemblies for effectuating rotation thereof.

Abstract: A so-called stepless self-tightening clamp structure having a first clamping position and a second non-clamping position in which the clamping band is under prestress of its inherent spring characteristics. To latchingly hold the clamp structure in its second position, one end of the clamping band is provided with a tongue-like extension while the other end is provided with two longitudinally extending, slot-like openings following one another by way of a constriction, whereby one of the slot-like openings is wider than the tongue-like extension and the other is slightly narrower than the tongue-like extension. One of said slot-like openings is thereby offset in the radial direction with respect to at least a part of the other slot-like opening. Additionally, to enhance the spring stiffness, the clamping band may be provided with one or more longitudinally extending reinforcing groove.

Abstract: A clamp for fastening a dust ruffle to a box spring of a bed where the box spring does not need modification for the fastening. The dust ruffle is fastened to a plurality of the clamps and is easily assembled and disassembled from the clamps for removal, cleaning, and changing of the dust ruffle.

Abstract: A clamping device for detachably joining together drums to be stored one above the other and/or side by side is formed as a block-shaped clamping device consisting of flexible material and containing at least two open incisions. Preferably, the clamping is of approximately cubic shape and the open incisions respectively become wider as viewed toward the inside. The widened zones have preferably cross-section shaped like arcuate segments.

Abstract: This snap ring has outer and inner fingers which extend slightly from the ring. Thereby it becomes possible to embrace the ends of the fingers by a plier from the outside to press the ends of the fingers towards each other and thereby to widen the inner diameter of the snap ring in a limited extent for moving the ring over a respective bar. The inner face of the ring may be circular or of angular configuration. An accessory shows especially suitable pliers for the use of handling the snap ring.

Abstract: A clamp for use especially in securing a bicycle front wheel to the bicycle frame in order to prevent swinging of the wheel about its steering pivot as when the bicycle is transported at the rear or on top of a vehicle, the purpose being to eliminate the problem of the wheel striking the transporting vehicle. The clamp comprises a pair of J-shaped members arranged with their flat legs lengthwise and overlapping each other so that the hooks of the J face each other for engagement of one hook with the bicycle frame while the other engages a portion of the front wheel rim of the bicycle. Provision is made for lengthwise adjustment of the members to accommodate different structural relationships, and a guide is provided for keeping the members parallel to each other during adjustment.

Abstract: A cord holding device for retaining an electrical cord in strategic position on a hospital bed in a convenient location relative to a patient lying on the bed has a base member which in use may be secured by adhesive or a belt to a mattress cover or a mattress pad underneath a bed sheet. A holder member snaps onto the base member over the bed sheet so as to trap the bed sheet therebetween. The holder member carries a pushbutton assembly by which it may be released from the base member by depression of the pushbutton. A U-shaped saddle in inverted form fits into the top of the pushbutton to releasably secure the electrical cord between the saddle member and the pushbutton.

Abstract: Sheets of plastic materials including glass are interconnected along a longitudinal outer dimension thereof by an elongated longitudinal female interconnecting member having an upstanding base with transverse legs extending on opposite sides thereof and a central longitudinal socket therein having an open top with a downwardly extending prong receptacle which extends longitudinally the entire length of the socket. The female interconnecting member is adapted to mate with a male interconnecting member having an upstanding longitudinal housing with transverse support members extending from opposite sides thereof and having a downwardly extending bayonet prong centrally located in and integral with the housing extending longitudinally the length of the housing.

Abstract: A cord holding device for retaining an electrical cord in strategic position on a hospital bed or convenient location relative to a patient lying on the bed has a base member which in use may be secured by adhesive or a belt to a mattress cover or mattress pad under a bed sheet. A cord holder member snaps onto the base member over the bed sheet so as to trap the bed sheet therebetween. The cord holder member has a cylindrical wall with spaced top-opening slots for receipt of the cord with the cord extending chord-wise across the holder member and the device further includes a cover member which snaps onto the holder member to trap the cord in the slots. The cover member may have a depending cylindrical wall with bottom-opening slots complementary to the slots in the cord holder member so as to trap the cord therebetween and so that the cover member can be rotated on the holder member thereby adjusting the effective width of the slots to suit different size cords.

Abstract: A clamp comprises a pair of pivotally connected jaws. A spring urges the jaws apart. A screw extends from the first jaw through the second jaw and projects above the second jaw. An operating lever for clamping and unclamping the jaws is screw threadedly received on the screw above the second jaw. The screw may be locked against rotation by engagement of the screw with a seat in the first jaw. With the screw locked against rotation, rotation of the lever around the screw selectively clamps and unclamps the jaws around an article. To adjust the distance of separation between the clamping surfaces of the jaws before rotation of the lever, the screw is axially shifted off its seat on the first jaw and the screw is then rotated with respect to the operating lever to adjust the height of the operating lever along the screw. Thereafter, the screw reengages the seat in the first jaw to prevent further rotation of the screw.

Abstract: A spin welded fastening assembly is constructed of two interfitting components. A circular base member formed of thermoplastic material has a circular disc portion with a workpiece engaging surface for friction welding and has a circular upstanding coupler portion integrally formed on the opposite surface of the disc portion for mounting a standoff member. The standoff member has a downwardly extending circular flange portion which snaps over the upstanding circular coupler portion of the circular base member. The circular flange portion of the standoff member has a closed end in the form of a transversely extending mounting plate portion having a central mounting aperture formed therethrough. The head of a quarter turn type fastener is installed in the mounting aperture of the standoff member.

Abstract: A fastener for securing a sink unit in a worktop has a clip (11) for attachment to a rail and a hinged clamping member (12) which is tightened up against the underside of the worktop by a screw (25). This threads through the hinge pin (13), and when undone allows the clamping member to swing back to and stay in an inoperative position where it will clear the edge of the hole of the worktop (19) as the unit (20) is lowered in. Doing up the screw causes the clamping member to swing and project a portion (21) under the worktop. The clamping member has guide fingers (23) which engage diametral slots (24) in the ends of the hinge pin.

Abstract: A fabric mounting track system which permits one to mount a fabric to cover a wall without the need to utilize weltings and other devices to cover unsightly parts of the system. The fabric mounting track consists of two parts, a back support plate and a hinge lock plate. The hinge lock plate has a straight portion at one end and a substantially circular portion at the other end forming a hinge. The hinge is disposed in a plane spaced from the straight portion. The back support plate also has a substantially circular portion at one end forming a larger hinge into which the smaller hinge of the hinge lock plate fits. Extending from the straight portion of the back support plate at an acute angle is a ledge, while the other end terminates in a straight portion forming a small angle, and may have its free end extending in the opposite direction. The hinge lock plate is provided with substantially equally spaced lancings punched out from the straight portion of the hinge plate.

Abstract: A spring clip particularly suitable for fixing a mud-flap to a motor vehicle has two legs interconnected by means of a base and is so formed that when relaxed the legs converge towards their free ends. A threaded bore is provided in one of the legs, in which may be threaded a screw to contact the other leg, such that the two legs may be thrust apart on further turning of the screw. The clip may then be fitted over a fender-fold against which a portion of a mud-flap lies, such that the mud-flap is securely held thereby. The leg contacted by the screw-end may have a contact depression formed therein to receive the screw-end, to prevent wandering thereof.In an alternative embodiment, a separate U-shaped expanding tool is provided, one leg of which may engage one leg of the clip, and the other leg of which has a threaded bore in which a screw can be fitted, such that the screw may engage the other leg of the clip.

Abstract: A two-piece cutting edge construction wherein a plurality of adapters are mounted on the mold board each having releasably locked thereto a cutting edge; the sidewalls of the adapters and cutting edges being recessed for the receipt of longitudinally (forwardly/rearwardly) stabilizing pins; the lock for releasably coupling the cutting edge to the adapter including two legs resiliently inner connected by a compression spring with the lock being insertable and removable by forces extending transversely of the forward/rearward mounting and unmounting direction of the cutting edge.

Abstract: A thermoplastic fastener having a slight taper, is friction welded to a thermoplastic workpiece. A system for friction welding the fastener includes a way of automatically stopping rotation of the fastener while contact pressure between the fastener and the workpiece is maintained.

Abstract: A device and method for holding tensile sheet materials to cover surfaces is disclosed. The device comprises a pair of parallel tracks adapted to be mounted on the surface to be covered with each track having at least one longitudinal slot. The slot has a pair of confronting side walls which are ridged. An elastic spline is inserted into the slot over the sheet material. The spline and ridged slots frictionally hold the sheet material in tension.

Abstract: An improved needle construction for use in tag attachers. The needle includes an elongated body having a mounting end and a piercing end. The mounting end of the body is releasably securable to the tag attacher. The piercing end of the body includes a sharp point for piercing the article to be tagged. The elongated body includes an enlarged collar proximate the mounting end of the body which abuts against the front surface of the tag attacher when the needle is secured thereon.