"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| H2205 | Method and apparatus for purging a propellant from a filling head during the filling of an aerosol container A method and apparatus for minimizing propellant emissions during the filling of an aerosol container that has a valve attached thereto and a valve stem extending from the valve. A filling head is disposed in a sealed relationship with a portion of the container so ... | 11/06/2007 |
| 5371944 | Composite insulation for engine components Engine components are thermally insulated with composite layers for improved engine efficiency. A metallic insulation layer is affixed to the metallic substrate of each component, and a layer of heat and corrosion resistant metal overlies and is bonded to... | 12/13/1994 |
| 5209267 | Convoluted hose end assembly An insert fitting for a convoluted hose end includes a generally cylindrical nipple insert having two spaced annular sealing surfaces and a relief region situated between the surfaces. The relief region has a diameter less than that of each of the sealing... | 05/11/1993 |
| 5188564 | Lubrication device for universal joint assembly A "standpipe" lubrication device for a universal joint assembly. In a preferred form, the lubrication device includes a plurality of annular protuberances on opposed first and second ends. The protuberances, serving as sealing and tolerance absorption med... | 02/23/1993 |
| 5176590 | Planetary locking differential A planetary differential assembly for selectively locking a pair of coaxially aligned vehicular axles for driving the axles at same rotational speeds. The assembly incorporates an axially moveable locking ring having an annular central body and first and ... | 01/05/1993 |
| 4837941 | Preset tool gauge A plurality of cylindrical gauges are used for presetting the position of a cutting tool along the tool axis of a machine for sizing a workpiece, such as a turret lathe. In a preferred form, the machine includes a pair of orthogonal axes, along which one ... | 06/13/1989 |
| 4813913 | Protective boot assembly A protective boot assembly 10 includes a flexible body 12 having at least one corrugation 16 positioned traversely to a longitudinal axis 14 of the body, whereby a coupling member for a pair of angularly disposed rotatable shafts encased therein may be co... | 03/21/1989 |
| 4781078 | Locking differential with electromagnetic actuated clutch An improved limited slip differential gear assembly for driving each axle of a pair of coaxially aligned vehicle axles at the same rotational speed or at relatively different rotational speeds as conditions require. The assembly includes an improved exter... | 11/01/1988 |
| 4778303 | Quick change gear apparatus A quick change gear apparatus provides a system which shortens time of spindle machine gear changes to approximately ten percent of that previously required for gear change operations. In a preferred form, the apparatus includes a cylindrical spacer juxta... | 10/18/1988 |
| 4776234 | Modulating bias control for limited slip differential axle A limited slip differential axle assembly includes a plurality of pressure plate segments which are electromagnetically biased against friction discs of clutch packs secured to side gears of the differential. In a preferred form, the assembly is formed of... | 10/11/1988 |
| 4774857 | Two speed axle assembly A two speed axle assembly for automotive vehicles, providing positive shift engagement in shifting between direct and overdrive modes. Input and output shafts carry respective input and output sun gears meshed with compound planetary gears within a rotata... | 10/04/1988 |
| 4773249 | Hose fitting crimper A mechanism and method for operating a device for crimping a metal outer sleeve of a hose connector around the end of a flexible hose. The device has a constrictor collet assembly for radially inwardly deforming the sleeve in response to axial movement of... | 09/27/1988 |
| 4712659 | Adjustable clutch brake apparatus An adjustable clutch brake apparatus is provided in a friction clutch release bearing assembly. An annular adjusting ring accommodates a clutch brake ring via an externally threaded surface which engages an internally threaded surface on the clutch brake ... | 12/15/1987 |
| 4711439 | Vice jaw support apparatus A vice jaw support apparatus provides a novel support system for securement of splined and threaded work pieces within vice grippers or jaws. In a preferred form, the apparatus is formed of a polyethylene or other similar resilient material. In a preferre... | 12/08/1987 |
| 4683775 | Differential axle speed sensing mechanism A speed sensing differential axle mechanism provides a plurality of teeth formed in a small diameter end portion of a differential case. In a preferred form, the teeth are integral to the case, spaced uniformly about the small diameter end portion thereof... | 08/04/1987 |
| 4679667 | Anchor pin retainer A brake shoe assembly incorporates unitary retainers for anchor pins about which a pair of brake shoes may pivot. In a preferred form, the anchor pin retainers are spring steel structures formed of drawn heat treated wire, each retainer defining a pair of... | 07/14/1987 |
| 4671542 | Swivel hose coupling assembly and method A swivel hose coupling assembly and method provides a collar having an angularly inwardly disposed locking annulus. The angular disposition of the locking annulus permits a novel method of assembling the swivel hose coupling members. In a preferred form, ... | 06/09/1987 |
| 4667799 | Shim cap device for clutch lever adjustment A shim cap device provides an apparatus for achieving clutch lever adjustment. In a preferred form, a plurality of shim caps are each selected for an appropriate thickness of a shim portion thereon. Each selected cap is interposed between one tail end of ... | 05/26/1987 |
| 4660702 | Clutch release bearing A friction clutch system includes a constant running release bearing member designed to accommodate axial misalignment. In a preferred form, a wave washer is interposed between a flange of a bearing carrier and the outer race of the release bearing member... | 04/28/1987 |
| 4661029 | Quick disconnect collet assembly A quick disconnect coupling mechanism for a collet and collet tube facilitates connection and disconnection of the two members to and from one another. In a preferred form, the collet is provided with circumferentially spaced external threaded portions wh... | 04/28/1987 |
| 4653773 | Adjustable steering stop apparatus A steering axle stop for an axle steering joint assembly is defined by a stub shaft rigidly supported within a steering knuckle boss. In a preferred form, the stub shaft contains a plurality of apertures which extend through the shaft and perpendicularly ... | 03/31/1987 |
| 4632235 | Clutch with cantilevered Belleville spring A friction disc clutch includes a radially extending Belleville diaphragm spring having its outer peripheral portion rigidly secured to a flywheel. In one preferred form, the diaphragm spring reacts against a fulcrum on the rear side of a pressure plate t... | 12/30/1986 |
| 4624352 | Synchronizer spring pin A synchronizer spring pin provides an elongated single-piece S-shaped body disposed for installation in axially aligned apertures of a pair of opposed blocker rings. In a preferred form, the spring pin is positioned within a double-acting synchronizer clu... | 11/25/1986 |
| 4621540 | Axle locking differential device An axle locking device designed for installation in a standard vehicular differential case is defined by two mating unitary bodies piloted between a cross member and the interior walls of the case. In a preferred form, the halves are symmetrical, each hal... | 11/11/1986 |
| 4602808 | Protective routing sleeve for hose assembly A flexible corrosion-resistant tubular sleeve provides protection for hose assemblies subjected to abrasion, kinking, or accidental rupture due to flexure. The sleeve also provides routing control for hose end assemblies, providing greater axial strength,... | 07/29/1986 |
| 4601377 | Clutch adjustment method A method is disclosed for adjusting a plurality of release levers in a friction disc clutch. The method ensures that the inner or nose ends of the release levers lie in a common plane upon final clutch assembly. In a preferred form, rivets of varying head... | 07/22/1986 |
| 4598808 | Noise suppression device for constant running clutch release bearing A friction clutch assembly includes a noise suppression device for a constant running bearing fixed to the transmission input shaft of the clutch assembly. The friction clutch system includes a plurality of rotatable clutch release levers, and in a prefer... | 07/08/1986 |
| 4592556 | Slip joint seal assembly A slip joint seal assembly includes an elastomeric sealing body and an annular metallic cage circumferentially supporting the body. The assembly also includes a relubrication chamber. An auxiliary sealing lip on the elastomeric sealing body is normally ou... | 06/03/1986 |
| 4588195 | Floating lip seal assembly with convoluted flexible section An annular shaft seal of the type including a continuous lip seal element for sealing against oil flow through and between a bore and a shaft extending therethrough includes a convoluted elastomeric flexible section which connects the sealing element with... | 05/13/1986 |
| 4588163 | Valve stem travel limiting apparatus A stem travel limiting apparatus provides a relatively tamper proof limit setting device for an adjustable valve stem. In a preferred embodiment, an internally threaded annular collar is positioned about an externally matingly threaded stem, the collar ha... | 05/13/1986 |
| 4566568 | Strut synchronizer for transmissions A transmission synchronizer includes a strut and blocker ring engagement system wherein the strut is retained by the blocker rings in all of its axial positions against centrifugal and spring forces on the strut. The slots in each blocker ring are fully e... | 01/28/1986 |
| 4566573 | Pressure plate strap drive apparatus and method A strap drive 50 is employed for connecting a pressure plate 20 to a cover assembly 31 in a clutch 10. The strap drive provides a fixed concentricity of the pressure plate relative to the cover assembly during assembly of the clutch, and provides a method... | 01/28/1986 |
| 4565274 | Friction clutch element A friction clutch element is disposed for mounting to a rotatable clutch disc. The element is designed to improve the uniformity in coefficient of friction values over a friction surface area thereof during clutch operation, particularly when such surface... | 01/21/1986 |
| 4552544 | Drive line slip joint assembly A drive line joint assembly (10) has splined driving and driven members (13,20), one of which has a protuberance (36) which extends axially along a spline (16,18) thereof to insure the absence of radial tolerance for balancing purposes. In a preferred for... | 11/12/1985 |
| 4550628 | Transmission interlock system A transmission interlock system includes poppet interlocks and pins alternately disposed transversely through and between alignable pin bores in the shift rods. The interlocks define small and large diameter portions disposed for extension into the pin bo... | 11/05/1985 |
| 4546048 | Composite thermal shield for engine components A composite thermal shield includes an external solid layer of heat and corrosion-resistant metal bonded to a permeable layer of metal. The composite is mechanically affixed to the substrate metal of an engine component, by a method wherein the substrate ... | 10/08/1985 |
| 4518168 | Multi-thickness fire ring assembly A fire ring assembly includes a unitary fire ring having a plurality of concentrically positioned body portions, each integrally joined to a radially adjacent portion by a radially extending bridge. Each body portion defines a pair of axially aligned, par... | 05/21/1985 |
| 4503959 | Clutch lever and adjustment method A method is disclosed for constructing and adjusting a plurality of release levers of a friction disc clutch. The method ensures that the inner or nose ends of the release levers lie in a common plane upon final clutch assembly. In a preferred embodiment,... | 03/12/1985 |
| 4499980 | Actuator for roller clutch drive system An apparatus for positively engaging and releasing a roller clutch actuator in a two-way overrunning roller clutch system 10 includes an actuator ring 54 having a plurality of detents 58 for receiving a radially extending, reciprocably moveable plunger 60... | 02/19/1985 |
| 4486649 | Contact heater mounting assembly A contact heater mounting assembly includes a single rolled flexible sheet which both supports a plurality of heating elements and provides protection for a high cohesion level adhesive on the elements. The assembly thus provides for convenient installati... | 12/04/1984 |