Abstract: A silicone elastomer stock that exhibits improved flame resistance in the cured state consisting essentially of a silicone elastomer, a filter, and a small amount of a flame retardant material selected from the group consisting of platinum and platinum-containing materials.

Abstract: The method of treating open-celled polyurethane foam by the application of a modifying ingredient, such as a dye, pigment, color stabilizer or fire retardant, for example, wherein the method comprises the steps of (a) applying an excess of a liquid solution or dispersion of the modifying ingredient to a mass of the foam, (b) removing most of the excess of the liquid by squeezing the mass, (c) passing a gas, the temperature of which is between 350.degree. F. and 500.degree. F., through the material for a period of time sufficient (1) to raise the temperature of the polyurethane mass to a point at which the polyurethane will absorb the modifying ingredient, and (2) to vaporize the liquid present in the solution or dispersion, the period of time being insufficient to cause charring of the polyurethane, thereby accelerating the absorption of the modifying ingredient into the polyurethane, so as to permanently incorporate the modifying ingredient into the foam, and (d) allowing the mass to cool.

Abstract: An electrophotographic document copier machine of the transfer type where a detector is positioned subsequent to a detach station to sense whether copy receiving material has been successfully detached from the photoreceptive surface. The detector is comprised of a light source 40 to discharge the photoreceptive material 19 to a repeatable low level and an electrostatic probe 41 to sense that low level. When an unsuccessful detach operation occurs, the probe 41 senses the much higher voltage level present on the back side of copy receiving material which has passed under a transfer corona charge generator prior to reaching the detach station and light source 40.

Abstract: Disclosed is the preparation of water-dissipatable polyesters and polyesteramides wherein at least a part of one of the monomeric components from which it is derived is a polycarboxylic acid or polyhydric alcohol which contains a sulfonic acid salt moiety derived from a nitrogen-containing base having an ionization constant in water at 25.degree. C. of 10.sup.-3 to 10.sup.-10. Also disclosed is the use of such polymers as sizes for fibers of glass, ceramics, etc., where the size is removed by burning and little or no ash residue is important.

Abstract: A piece of turnout apparel includes an outer shell of fabric material and a thermal liner which is attached to the outer shell and lines the interior of the shell. The liner includes a first vapor barrier layer of substantially moisture impermeable material adjacent the inner surface of the outer shell, and a second vapor barrier of substantially moisture impermeable material. Between the first and second vapor barrier layers is a layer of fibrous, thermal insulating material. The vapor barrier layers prevent the wetting of the layer of thermal insulating material and thus maintain its thermal insulative characteristics during use.

Abstract: An outerwear and bag in one for wearing when going out for sports and hiking, is disclosed, which has a pocket section tied to the inner side of the back of the outerwear. When the outerwear and bag in one is taken off, the outerwear can be accommodated in the pocket section into the form of a knapsack which can be carried on the back or shouldered.The pocket section is tied to the inner side of the back of the outerwear. It can be taken with its inner side out to the outside through an opening provided in the back of the outerwear. In this state, the whole outerwear can be inserted into the pocket section, and the pocket section then can be closed by pulling strings provided around the opening. In this state, the outerwear and bag in one can be carried on the back or shouldered.

Abstract: There is disclosed an outerwear which is worn for sports, hiking or the like, having on its back portion a pocket capable of receiving therein the whole outerwear. That is, in the outerwear and bag in one according to the present invention, the bag portion is provided on the outer surface side of the back portion of the outerwear to enable receiving the whole outerwear into the bag portion, and straps for holding the bag portion are provided on the inner surface side of the back portion of the outerwear so that when wearing the outerwear, the straps may be shouldered to prevent the outerwear from being pulled backward by the weight of articles received into the bag portion.

Abstract: An improved nonwoven polypropylene fabric, having the fibers on one side fused and the fibers on the opposite side unfused, which fabric when wetted exhibits a wet feeling on the fused side and a substantially dry feeling on the unfused side. Also disclosed are bandage, diaper, hat sweatband and headband or wristband structures employing the fabric as well as a method of transferring moisture from a moisture-bearing surface utilizing the fabric.

Abstract: A protective enclosure fabricated from a clear, flexible, plastic material that, in the event of an emergency, is easily positionable over at least the head of a wearer to protect the wearer from the adverse effects of a contaminated environment, such as that filled with smoke or similar noxious fumes.The enclosure is provided with an opened side for receiving therethrough the head of the wearer. The ends of the enclosure which define the opened side thereof are structured so as to generally conform to the shape of a human chest. The aforementioned ends which define the opened side are provided with fastening means by which the opened side may, be secured to the chest of the wearer in order to form an airtight fit therebetween and thereby close the opened end against the chest and around the neck of the wearer.

Abstract: Slip down-free socks with an elastic garter which is joined partly by stitching to the front upper part of a rib top in such a manner that, when the socks is put on, it suspends the socks. Instead of the elastic garter, slip down-free socks can have a garter portion of net stitch to be interposed between a welt portion and a leg portion of the socks.

Abstract: Novel tubular prostheses, e.g. vascular or ureteral prostheses, prepared by sewing the opposed edges of a sheet of pericardial tissue together with a thread to form a longitudinal seam are disclosed. By disposing the thread in a suitable configuration along the seam, for example in a plurality of stitches each of which is secured with a knot, a tubular prosthesis results that can be cut transversely between its ends without unravelling the thread and substantially damaging the same. Use of bovine pericardial tissue is preferred since the range of compliances of tubular prostheses made therefrom is approximately comparable to the range in human arteries and veins, whereas tubular prostheses made from porcine pericardial tissue tend to be too compliant.

Abstract: There is disclosed a surgically implantable prosthetic joint implant adapted for length adjustment after initial surgery to compensate, for example, for growth of a juvenile patient. A stem for bone implantation has a flange for overlying the bone end and a threaded portion for adjusting axially with respect to an overlying sleeve which carries at its extremity an articulating component of the joint. A pin in the sleeve and elongated slot in the stem restrain relative rotation but allow axial relative movement as the stem is urged into or out of the sleeve by rotation of a nut coacting with the threads on the stem while being axially restrained by the sleeve. The nut is described as having a ring of gear teeth to be actuated by an insertable gear-carrying key. An alternative embodiment uses an accessible recessed bolt for moving the stem into or out of the sleeve.

Abstract: A prosthetic meniscus replaces the natural meniscus and is located between the natural articular surfaces of the bones of a joint. The prosthetic meniscus includes a body portion formed of a resilient material and further defines an extra-articular extension which is attached to the surface of the bone outside the joint. A reinforcing fabric or mesh is embedded in the resilient material to give the meniscus strength and shape. A meniscus according to the invention allows full articulation of the joint and provides the cushioning and lubricating functions of a natural meniscus while avoiding problems associated with total joint replacements.

Abstract: An intraocular lens four point contact haptics with an asymmetrical cross section. The ends of each of the haptics are contiguously juxtaposed and inserted in a common bore in the periphery of the optic. The legs of each of the haptics spiral outwardly in juxtaposed relationship, separate and extend away from each other to form eye contacting heel and toe portions residing on opposing sides of the inferior-superior axis of the lens. When two such haptics are employed, a wide haptic compression range can be achieved with little differential in compression force.

Abstract: An intraocular lens for placement in the anterior or posterior chamber of the eye after extracapsular surgery has one or more haptics having an asymmetrical cross section. The haptic is formed in a continuous loop. Preferably both ends of the haptic are joined to the optic at a single location. A preferred cross-sectional shape is a major segment of a circle.

Abstract: A device for destroying bacteria which accumulates in drainage pipes and the like. Previously, no device has been provided which will destroy bacteria which accumulates in drainage pipes.This invention provides a housing (5,58) provided in the S-bend of a drainage pipe and includes a heating element (32,34,68) which causes water and bacteria which gathers in the housing (5,58) to boil to destroy bacteria. Heat is also transferred to the drainage pipe to destroy any bacteria which gathers on the side of the pipe.The invention may also include a timer (80) to supply power to the heating means (32,34,68) for a desired amount of time and also may include an automatic actuator (62) which causes the timer (80) to supply power to the heating means (32,34,68) when water and/or contaminated matter passes down the drainage pipe.

Abstract: A nut and washer unit for attachment of a plumbing faucet or fixture permits rapid and easy mounting at a supporting structure. The nut is placed on the shank before the faucet or fixture is dropped through the mounting hole. A C-shaped washer is positioned from below, between the nut and the mounting structure. An axially separable coupling between the nut and washer achieves initial placement of both parts at the mounting structure by simple hand rotation of the nut. Final clamping is achieved by engagement of wings formed on the washer, rotation of the washer causing corresponding rotation of the nut and, hence, advancement of both parts into clamping position.

Abstract: This invention is an improved sealing means for use in conjunction with water closet rings wherein a lower section includes an inwardly beveled shoulder which fits a similar configured neoprene type gasket. When a specially designed top section telescopically engages the interior of the lower section, the gasket is expanded to form a water tight seal about the drain pipe or other member associated therewith.

Abstract: A lock for a toilet lid comprises a bracket securable to a toilet bowl, and a post mounted to the bracket so as to be swingable to a retracted position away from the bowl against a first spring bias. A locking arm is mounted to the post and is movable relative thereto into a position overlying the toilet lid, in order to prevent the lid from being opened. The locking arm is secured to the post in a manner which prevents the locking arm from being moved out of its overlying relationship with the lid unless the post is in its retracted position. The post can be swung 180 degrees to enable the locking arm to be moved to a stored position.

Abstract: A hydrotherapy jet is described in which a nozzle is mounted for universal swiveling motion so that it can be positioned to direct a stream of water and air in any selected direction. Water and air enter through pipes positioned at right angles to one another, the water inlet pipe is positioned at right angles to the center axis of the hydrotherapy jet and nozzle axis. The air inlet pipe is aligned with the hydrotherapy jet axis and the nozzle axis so that the hydrotherapy jet can be rotated on its own central axis within an opening in a tub wall to facilitate the plumbing in the connection of water supply pipes without changing the position of the air supply pipe.

Abstract: An adjustable frame 6 to 20 applied to a bed, supports selectively rotatable rolls 21, 22 at the level of the bed mattress 2 in parallel and close relation thereto. Said rolls are connected to an electric motor 66 via driving chains 40 around the underside of the bed. A draw sheet 28 extends between the rolls across the upper side of the bed and is wound on both rolls with the patient on the draw sheet. A control box 72 operating on low voltage (e.g. 24 V) current enables the patient or a nurse to turn on the electric motor to rotate in one direction or the other. Each roller is provided with an automatic driving and free wheel clutch 34 providing for driving of each roll only in one direction, namely the direction of reeling, so that when the one roll is being driven the other is freely rotating and vice versa. Furthermore, each driving and free wheel clutch unit 34 can be manually connected and disconnected by use of an external eccentric 48.

Abstract: A method is provided for improving posture and relieving back pain of a person in a supine position. The invention includes the steps of pressing a convex pillow against the region of the ilia, sacrum, and fifth lumbar vertebra to produce a substantial sacral base angle and to fully oppose any moment tending to cause rotational shifting of the pelvis, and supporting the thighs and calves in an elevated position such that the thighs extend upwardly at an angle of from about 53.degree. to 63.degree. from horizontal, and the calves extend at an angle of from about 0.degree. to 20.degree. downwardly from horizontal. The method normally also includes simultaneously resiliently supporting the back of the neck in an elevated position while permitting the cervical vertebrae to maintain their normal, physiologic curvature, in supporting the head of the person in an elevated position while maintaining the cervical vertebrae and the occiput in an unflexed, physiologic position.

Abstract: In a procedure for washing cellulose in a drum a continuous web is conducted through a plurality of mutually separated washing zones and in the procedure the pure washing liquid is introduced at the washing step which is last in the direction of travel of the web. This liquid displaces suspension fluid contained in the web and the latter is urged with the aid of a drained fluid pipe system to a washing step located upstream in the web's direction of travel and the displaced suspension fluid repeats the displacement washing process performed by the pure washing liquid in the last washing step. This procedure is repeated until each washing step has received a flow of washing liquid. To utilize the concentration raising capacity of the washing procedure and apparatus, before discharging the pulp, part of the drained fluid pipe system is emptied and the drained fluid therefrom obtained is returned to an earlier washing step.

Abstract: A vacuum cleaner head for use in swimming pools comprises a flexible sheet of material having a suction aperture therethrough, means for attaching to the sheet a device for applying suction through said aperture and means providing spacing of said flexible sheet from the interior surfaces of the pool when in use. The head, when caused to move over the interior surface of the pool, may flex at least around axes both transverse and parallel to the direction of movement. Such a cleaner head provides significant advantages in cleaning contoured pool walls or floors since it will flex in practically any direction and is of simple construction. It is preferred to make the head out of high specific gravity rubber or synthetic rubber material.

Abstract: Floor-sweeping machine consisting of a housing with a revolving brush mounted rotatably therein and having pinions which are provided at its two ends and which are themselves each connected operatively by engagement to a pair of running drive wheels, the two running drive wheels belonging to a particular pinion being mounted rotatably in a wheel case and the wheel cases being mounted in appropriate housing receptacles so as to be vertically displaceable for adjusting the height of the revolving brush mounted fixedly in the housing, wherein, for a permanent adjustment of the height of the revolving brush without impairing the drive of the revolving brush by the running wheels, each wheel case (26) is retained by means of a wheel-case holder (38) to swing on one leg (44) of a U-shaped adjusting shackle (45), and the U-shaped adjusting shackle (45) is mounted pivotably in appropriate bearings (55) of the housing (11) by means of angled portions (54), shaped on the free ends of the legs (44), and an adjustable we

Abstract: A polishing pad is provided having a diameter substantially equal to the diameter of a conventional electric floor polishing machine. A center aperture is provided in the pad whereby the pad may be secured to the floor polisher in a well-known manner. A plurality of apertures are provided in the pad eccentrically of the central aperture whereby the surface area of the pad is reduced thereby reducing drag on the machine which results in reduction of the current drawn with the consequent reduction in overheating and the blowing of fuses.

Abstract: A manually portable fire hose cleaning apparatus adapted for conventional connection to a fire hydrant. A frame consisting of an upper and lower platform having an open front portion supports at least two sets of opposing pairs of vertically disposed brushes. An upper and lower set of nozzles are provided in corresponding conduits mounted on the frame to direct a water spray vertically at a position between the sets of brushes. The conduits are connected to a common tubular supply manifold which includes an inlet pipe adapted to be connected to a fire hydrant to supply water. A fire hose is then inserted between opposing pairs of brushes in each set and may be manually manipulated through the water spray and brushes to be cleaned.

Abstract: The present invention consists of a bottle brush/glass cleaner mounted on a base designed to fit over the center section of a double sink and, in an alternative embodiment, attached to a base having means for attachment to a substantially flat, smooth surface. In a further alternative embodiment, the bristles of the bottle brush/glass cleaner are mounted on a hollow tube which has means for connection to a water line, thereby improving the efficiency of the bottle brush/glass cleaner.

Abstract: My invention is carefully designed for the specific task of cleansing the lingual aspects of upper and lower anterior teeth and the distal aspects of the most distal teeth. Because my invention is not designed for the purpose of cleansing all surfaces of the teeth, but is designed to provide superior cleansing in those areas where a standard toothbrush is deficient, my toothbrush is designed to augment rather than to replace a standard toothbrush.

Abstract: A connector fitting for mounting a windscreen wiper arm on the output spindle of a windscreen wiper arm drive mechanism is formed from sheet metal by stamping the outline of a blank, deforming the blank to form a fastening means for the blade-applying spring, chasing the metal to form a bush to receive the spindle and bearing collars for a pivot pin articulating the fitting to the blade, and folding the metal to give the fitting a channel shape.

Abstract: Method and system for collecting fume and/or waste particulate matter generated in a process used to surface treat, cut, gouge or join a workpiece by means of elevated temperature (e.g. electric arc).The system includes means to collect and quench the effluent (slag and/or fume) in a cooled nozzle coupled with means to separate solid particles and cooling fluid, in the case of a working environment including air and return cleansed air to the ambient environment.

Abstract: The piston assembly of a hydraulically controlled door closer has a tubular wall, plugs secured in end portions of the wall and a separate rack secured inside the tubular wall between the plugs by formations on the plugs.

Abstract: A mount 10 that allows a loop strap 11 to pivot on a horizontal axis between vertical and horizontal positions uses a fixed pivot pin 15 arranged on the horizontal axis for supporting loop strap 11. A sheet metal sleeve 16 wraps loosely around pivot pin 15 and is secured to the ends 17 and 18 of strap 11 so that strap 11 can pivot on pin 15. A cover 20 is arranged over sleeve 16 and strap ends 17 and 18 and has end openings 21 through which pin 15 can pass. A pair of supports 25 and 26 with blind sockets 30 are pressed onto opposite ends 14 of pivot pin 15 and are made to overlap in a central region behind loop strap 11. Overlapping regions 31 and 32 of end supports 25 and 26 are secured to the vehicle so that strap 11 and cover 20 hang downward to conceal the securing mechanism.

Abstract: An over-center self-closing hinge for furniture. In the door-related part of the hinge, which is in the form of a cup to be set in a mortise, there is provided a resiliently biased, pivotingly mounted cam which, in cooperation with a contact surface on the jamb-related part of the hinge, forms the over-center mechanism. Within the hinge cup there is provided a swivel arm which can be swung upwardly to a position in which it holds the resiliently biased cam in its dead-center position. With the swivel arm there is associated a resilient element which seeks to swing it up into the raised position. The resilient element is preferably an elastically flexible arm reaching beneath the swivel arm and joined fixedly to the cam adjacent the pivot axis thereof.

Abstract: In a cam hinge device having a lower stationary hinge section and an upper hinge section, the improvement comprised of each hinge section having an identically formed, seamless sleeve-like, metal casing with a metal mounting leaf extending laterally therefrom. Plastic block assemblies including the operative camming surfaces of the device are provided within the casing such that the casing and block assembly of the riding hinge section are mounted in an axial position 180.degree. opposite the casing and block assembly of the stationary hinge section when the hinge device is assembled.

Abstract: By providing in a carcass saw an easily accessible switch and associated blade-reversing means, serious jamming of the saw-blade and related jumping of the blade out of its guides in the saw are avoided and a return to normal saw operation in minimal time and with minimal damage is assured.

Abstract: A card screen with side frames and central rib penetrated with longitudinally spaced transverse openings and transverse bars equipped with pins and sockets supported in the transverse openings to secure the screen together without solder.

Abstract: A clip, more particularly a hose clip, including a band furnished with ratchet coupling elements comprising serrated jaws on one end of the band and a serrated tongue on the other end of the band. The tongue is insertible longitudinally between the jaws to interlock serrations on opposite sides of the tongue with the serrations of the respective jaws and thereby lock the tongue against withdrawal longitudinally. The jaws are open laterally, permitting sideways disengagement of the tongue therefrom to release the clip. The clip may be a one-piece plastics moulding.

Abstract: A band for clamping produced by integrally molding a synthetic resin, such as nylon etc., and having a structure in which each tooth tip (9a) is formed so that the angle (.theta.) formed by one side surface (10), i.e. the surface to be engaged with the engaging portion (8a) at the tip of the small lip portion (8) and the surface (2a) of the strap-like tongue (2) is an acute angle and each tooth tip (9a) of these is adopted for being engaged with the engagement portion (8a) at the tip of the small lip portion (8). Therefore, the engagement is more securely effected and free from a danger of loosening of the tight binding due to slip-off during use.

Abstract: Belt buckle for selective use with any of a plurality of variously decorated insert panels. Each of the inserts has an outer surface which includes decorative indicia, such as sports emblems, insignias, initials, etc. The buckle includes an outer portion which is in the form of a channel open at its opposite ends to slidingly receive therein a selected one of said decorative panels. The buckle channel is defined by a recessed outer surface or well portion and upwardly extending side walls and inwardly extending flanges. The insert panels are of generally rigid construction and each includes side edges dimensioned to fit in sliding engagement within the side edge channels of the buckle. The undersurface of the panel insert and the recessed outer surface of the buckle have interengageable detent elements for releasably retaining the insert panel within the channel with the end surfaces of the panel generally aligned with the corresponding end surface of the buckle channel.

Abstract: A coupling for pipe or the like made up of a plurality of spaced generally hollow cylindrical bodies made of sheet material and each having their adjacent ends bent back on themselves forming a pocket along each edge, an outrigger bar extends through the pocket on one edge of each of the bodies and a short bar extends through the pocket on the outer edge of each body. The short bars are connected to the outrigger by means of bolts and a flexible liner is supported inside each of the bodies forming a gasket for surrounding a pipe extending through the bodies. In the second embodiment a basic difference is that the couplings are made up of clamps or outrigger clamps at two halves rather than in a single band.

Abstract: A water-resistant slide fastener stringer has a stringer tape including face and back layers of resilient and water-resistant elastomer, a row of coupling elements mounted on the stringer tape along one longitudinal edge thereof, and layers of resilient and water-resistant elastomer integral with the face and back layers and including portions interconnecting adjacent ones of the coupling elements and having lateral slots extending transversely of the stringer tape. The coupling elements are securely fastened to the stringer tape by the resilient and water-resistant layers. The stringer is kept relatively flexible by the slots in the layers extending across the coupling elements.

Abstract: The disclosure herein describes a strap buckle which comprises a male elet and a female element, each having a strap engaging portion on one side thereof; the male element has a female engaging part on its opposite side which includes a T-shaped edge member and first locking members; the female element has a male engaging part on its opposite side and is formed of a housing having a shape corresponding to that of the T-shaped edge member, the housing including further locking members which are engageable with the locking members on the male element. To release the buckle, two operations are required: a first lateral movement which consists in forcing the female and male elements towards one another thereby applying pressure against the spring blade to free the interengaged locking members, and a second continuous movement which is normal to the first movement which consists in moving, parallel to and away from one another, the T-shaped member and the housing while maintaining pressure on the spring blade.

Abstract: A separable fastener is provided, consisting of a male member with a stem portion and a T-shaped head portion, and a female member in the shape of an elongated body having a tail portion and a forward portion that is bent with respect to the tail portion. The body has an opening adjacent the bent portion, the opening of sufficient length to permit insertion of one arm of the T-shaped head portion of the male member. The bent forward portion of the female member terminates at an edge which interferes with complete passage of the T-shaped head portion through the opening in any but one particular orientation of the male member with respect to the female member. The edge has an indentation which is adapted to receive the T-shaped head portion when the male member is in that particular orientation, thus permitting the avoidance of interference and a complete passage of the T-shaped head portion through the opening.

Abstract: A fastener for locking two objects in a predetermined relationship. The fastener has a fastener body including a spacer which defines a predetermined distance between the two objects. A first locking element is on one side of the spacer and a second locking element is on the other side of the spacer. The fastener body is adapted to receive a plunger which is adapted to travel from a retracted position to a secured position. The plunger causes the first and second locking elements to rigidly affix the objects to the fastener body thus holding the objects a predetermined distance from each other.

Abstract: An automobile seat belt includes a latch tongue fixed to one belt segment and having a latching aperture, and a latch housing fixed to the other belt segment, having a recess and opening at its distal end to receive the latch tongue. The tongue is automatically latched within the housing by insertion; and the tongue is released by depressing a release button through an opening in the top face of the latch housing. To render the seat belt child proof, one form of safety cover is a sleeve slipped over the latch housing, the sleeve having one end partially closed to pass the latch tongue and the sleeve having a limited access opening in one face to overlie the release button. The sleeve is retained in enclosing position on the housing by the latch tongue. The limited access opening may be a small opening only large enough to pass the tip of the ignition key to depress the release button and unfasten the belt.

Abstract: In accordance with the present invention, entrained, dense particulate materials are removed from an elongated body of less dense fibrous materials being transported by a moving fluid stream by reducing the velocity of said fluid stream by an amount and for a time sufficient to release a substantial portion of said dense particulate materials, but insufficient to stop the transport of the elongated body of less dense fibrous material by the moving fluid stream.

Abstract: An insulated fuel injection device, particularly for diesel engines, is provided for maintaining the nozzle spray hole temperature at a reduced level during engine operation whereby coking at the nozzle hole is prevented. The device comprises an elongated injection nozzle having a spray hole at one end thereof and an elongated hood covering the nozzle. The hood has a spray orifice therein which is aligned with the nozzle spray hole when the device is assembled. The interior dimensions of the hood and the corresponding exterior dimensions of the nozzle are such that a generally annular gap is presented between the hood and the nozzle, at least in the vicinity of the hole, and a quantity of heat insulating material is disposed in the gap adjacent the nozzle spray hole and the hood aperture.

Abstract: A tool for installing and removing a seal retainer of the type found on the drive axles of certain front wheel drive automobiles. The tool comprises a C-ring for engaging a seal retainer and a crossbar parallel to the C-ring. A pair of spacers are rigidly attached to and between the C-ring and crossbar to form a frame. A thumbscrew is operatively positioned in a threaded hole through the crossbar for engaging a shaft while installing or removing a seal retainer. The crossbar of the tool is tapped with a mallet to apply the force which is necessary to remove a seal retainer. The force which is necessary to install a seal retainer is applied by tightening the thumbscrew.

Abstract: A reconditionable friction clutch is disclosed of the type comprising a cover member having integrally formed lugs along its inner peripheral zone for rockably mounting the diaphragm spring on the cover member. Since these original lugs cannot be reused to rockably mount the diaphragm spring once they are disengaged to gain access to the diaphragm spring, they are replaced after reconditioning the clutch. The radial portions of the lugs are removed, the lugs being severed so that their axial portions are long enough to be received in passages in the diaphragm spring or a new diaphragm spring to recenter the same. Apertures preferably in tabs alternating with the original lugs are formed to accommodate replacement assembly means which may be of the lug or clip type or of the pin type. Such apertures are formed in the cover member either during manufacture of the clutch or at the time of reconditioning it.