Patents Represented by Attorney, Agent or Law Firm David L. Garrison
  • Patent number: 5303696
    Abstract: A method and apparatus for imparting continuous passive motion to one or more joints, ligaments, or tendons is disclosed. The apparatus has a housing, an actuator, and a flexion/extension assembly. In preferred form, a main flexion cable links the actuator to a joint support member pivotally attached to flexion/extension assembly. Reciprocating motion of the main flexion cable causes the support member to oscillate. A restoring force, preferably a second main cable cooperative linked to the actuator, is present so as to urge the support member to its initial position. The path of motion of the support member can be altered, while the apparatus is in operation, by a cable deflecting assembly. By controlling the degree of cable deflection, the degree of support member motion can be altered.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: April 19, 1994
    Inventor: Steven D. Boice
  • Patent number: 5282286
    Abstract: A sealable, composite cushion is disclosed having a plurality of resilient support member horizontally disposed to one another and surrounded by a fluid impervious membrane. Each resilient support member has a known Indentation Force Deflection (IFD) value and is located in the cushion based upon medical criteria to provide zones of varying support. In an embodiment, the resilient members are bonded to the membrane and act as tension members to maintain the cushion's form while under a load. As a result, the cushion resists further deflection not only by the resilient members' resistance to compression, but also by an increased internal pressure. Accordingly, the cushion of the present invention is a composite of fluid flotation and compression resistance. A valve may be incorporated into the cushion to regulate the fluid floatation characteristics of the cushion or to assist in its transportation.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: February 1, 1994
    Assignee: Cascade Designs, Inc.
    Inventor: Michael MacLeish
  • Patent number: 5259288
    Abstract: A plastic cased metal headed ammunition casing for high powered rifle and cannon cartridges is described in which the plastic case has a pressure regulating baffle or wall in the forward and thereof to regulate and control the development of chamber pressure and directs pressure into a space around the bore of the projectile prior to movement of the projectile. The cartridge is charged with a given charge of powder and the cap or head securely fastened to the rearward portion of the plastic casing. An expandable sleeve may be used to stabilize the head-casing interfit. The head provides sufficient resistance to the residual pressure after firing so that the cartridge can be used in rapid fire automatic weapons.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: November 9, 1993
    Inventor: Marlo K. Vatsvog
  • Patent number: 5224696
    Abstract: A paper rotation table 15 for use in transporting sheets of paper between paper handling devices while performing a rotation upon each sheet through a predetermined arc so as to present to a receiving paper handling device a leading edge different than the leading edge which emerged from a delivering paper handling device. The paper rotation table 15 has sheet support surface 10, a paper drive 20, a pivot 30, and a registration edge 40. The paper drive 20 further has a drive belt 21, a plurality of primary drive balls 25, and a plurality of secondary drive balls 26, an entry drive ball 23, and a spin drive ball 37. Paper drive 20 may be at an angle "a" to registration edge 40.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: July 6, 1993
    Assignee: EMF Corporation
    Inventor: Wilbur J. Kellum, III
  • Patent number: 5218388
    Abstract: A motion picture film monitor structured and operated in the film path of a film projector, having a plurality of film support rollers for supporting the film as it passes adjacent a plurality of sensors. The plurality of sensors includes at least one proximity sensor positioned preferably adjacent one of the guide rollers and when more than one proximity sensor is spaced closely to each other, a different frequency is used by each proximity sensor. In addition, an optical film presence detector including a light emitter and a light sensor is positioned adjacent another support roller such that when the film passes the film presence detector, it is supported by the roller. A film motion detector using a similar optical system is positioned adjacent one of the support rollers which supports the film in close proximity to the sensor. Electronic circuitry and connections therefore, are structured to allow for a logically configured and miniaturized monitor.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: June 8, 1993
    Inventor: William H. Purdy
  • Patent number: 5179971
    Abstract: A dual wall containment vessel for liquids including environmentally hazardous fluids having a recessed foundation for supporting the sidewalls of the primary containment tank while maintaining a fluid impermeable secondary tank that completely surrounds and contains the primary tank. The present invention further provides for containment and detection of leaks occurring in the primary tank, the secondary tank, or both by utilizing multiple floors and routing of escaped fluids to locations at which they can be detected or observed.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: January 19, 1993
    Inventor: Melvin D. Jackson
  • Patent number: 5163480
    Abstract: An isolation diaphragm assembly designed to be installed in a standard tee, Y or coupling in a conduit to isolate one portion of the conduit from another. In its initially installed condition, the isolation diaphragm assembly provided a seal for isolating portions of conduit systems for pressure testing. Once the testing procedures are complete, the test diaphragm, being larger in diameter than the interior diameter of the conduit, is flexed into a saddle shape to permit its removal from a gasket and due to the decreased dimension, may then be drawn out of the conduit, leaving a fully unobstructed flow path.
    Type: Grant
    Filed: July 24, 1991
    Date of Patent: November 17, 1992
    Inventor: Donald G. Huber
  • Patent number: 5152018
    Abstract: An inflatable body comprising an airtight envelope enclosing a core of batting material having tensile elements extending from an upper to lower surface thereof and having the upper and lower surfaces thereof bonded to the envelope. The process of making the body comprises first laying down two sheets of air impervious film with the core positioned therebetween. The tensile elements are bonded to the sheets. Simultaneously or separately from bonding to the core, the edges of the sheets are sealed together and a valve assembly is bonded between or inserted in one of the sheets to allow control of the air volume and pressure within the assembly.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: October 6, 1992
    Assignee: Cascade Designs, Inc.
    Inventor: James Lea
  • Patent number: 5151555
    Abstract: A plastic cased metal headed ammunition casing for high powered rifle cartridges is described in which the plastic case has a pressure regulating baffle or wall in the forward end thereof to regulate and control the development of chamber pressure movement of the bullet into the rifle barrel. The cartridge is charged with a given charge of powder and the cap or head securely fastened to the rearward portion of the plastic casing. The head provides sufficient resistance to the residual pressure after firing so that the cartridge can be used in rapid fire automatic weapons.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: September 29, 1992
    Inventor: Marlo K. Vatsvog
  • Patent number: 5115675
    Abstract: A tensioned bellows pressure transducer having a pressure chamber [40], an elastic vibrating member [50], an electromagnetic coil [60] a linkage [33], a rigid body [30], a body extension [35], and a pressure deformable member [22] defining in part a reference chamber [20]. In preferred embodiments, the pressure deformable member is a bellows. Bellows [22] is attached at bellows fixed end [23 to rigid body [30] and is deformable in response to a difference between a bellows internal reference pressure p.sub.0 and any pressure p.sub.1 external to bellows [22], such as in pressure chamber [40]. Elastic vibrating member [50] is connected at a first end to linkage [33]. Linkage [33] projects rigidly from an interior face of bellows free end [24] and vibrating member [50] is connected to linkage [33] at a distance d.sub.2 from free end [24], and is connected to body extension [35] at a distance d.sub.1 from free end [24], where d.sub.1 is less than d.sub.2.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: May 26, 1992
    Assignee: The Slope Indicator Company
    Inventors: Alexander I. Feldman, Dale W. Shoup
  • Patent number: 5104117
    Abstract: A apparatus for recurling, transporting, sorting and stacking individually fed sheets of paper received from devices such as printing or duplicating machinery. A recurler, comprising a plurality of recurleer belts, trained about a drive roller, a feed roller, and a forward roller, against which a recurler roller is urged, is provided for recurling all sheets entering the enclosure of the sorting apparatus. A conveyor belt assembly urges the sheets against the upper surfaces of a plurality of deflectors to convey the sheets through the enclosure. A lower surface of each deflector selectively deflects the sheets into designated receiving trays, or optionally allows the sheets to be expelled from the enclosure.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: April 14, 1992
    Assignee: EMF Corporation
    Inventors: Walter A. McCormick, Wilbur J. Kellum, III, Gregory Phillips
  • Patent number: 5074709
    Abstract: An elongated floating boom device for containing spilled fluids such as crude oil, is disclosed. The boom device is manufactured from its constituent components at the spill site. At least one continuous sheet of a plastic material is folded along its longitudinal axis, forming two wall sections of substantially equal height. A lower weighted section is formed by introducing inexpensive ballast heavy material such as sand into the fold of the plastic sheet and creating an horizontal seal which seals the wall sections together above the ballast material along the length of the plastic sheet. A pulling means such as a chain or steel cable also is provided in the weighted section. Pillow or float sections are formed by injecting air between the wall sections above the first horizontal seal and vertically or diagonally sealing the wall sections together at intervals and then horizontally sealing the tops of the wall sections together. Alternative constructions for the bottom device also are disclosed.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: December 24, 1991
    Inventor: Gary E. Stensland
  • Patent number: 5072549
    Abstract: A method of cutting facets on a gemstone to form a pentagonal shaped gem product such that the cut facets produce a five-legged star to appear beneath the gem table. The gem product produced by this method comprises a pavilion having thirty facets and fifty edges, a crown having twenty-one facets and thirty-five facets, and a five sided girdle.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: December 17, 1991
    Inventor: Harold Johnston
  • Patent number: 5071308
    Abstract: A boat loading and storage apparatus comprising a load support frame having forward and rearward end for supporting a boat or similar load above a vehicle. The load support structure includes a pair of spaced apart adjacent telescoping beams adapted to be vertically pivotable, and horizontally rotatable, about a main support frame connected to a middle portion of a vehicle. A vertical support post is pivotally attached to the load supports forward end, and includes a lower end that is pivotally attached to a forward portion of the vehicle. During loading and unloading, the telescoping beams extend forwardly as the vertical support rotates downwardly toward a horizontal position. A pair of axillary supports have a ground contacting end and another end supporting the telescoping beams for supporting the latter. An attachment member is mounted for movement along a support member which in turn is mounted for movement along the telescoping beams. A lifting mechanism raises and lowers the main support frame.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: December 10, 1991
    Inventor: James Tibbet
  • Patent number: 5056772
    Abstract: A paper rotation table 15 for use in transporting sheets of paper between paper handling devices while performing a rotation upon each sheet through a predetermined arc so as to present to a receiving paper handling device a leading edge different than the leading edge which emerged from a delivering paper handling device. The paper rotation table 15 has sheet support surface 10, a paper drive 20, a pivot 30, and a registration edge 40. The paper drive 20 further has a drive belt 21, a plurality of primary drive balls 25, and a plurality of secondary drive balls 26, an entry drive ball 23, and a spin drive ball 37. Paper drive 20 may be at an angle "a" to registration edge 40.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: October 15, 1991
    Assignee: EMF Corporation
    Inventor: Wilbur J. Kellum, III
  • Patent number: 5054764
    Abstract: An edge aligner/holder 10 having an edge aligner 30 with a resilient front end 32 and a tail piece 34 cooperatively interengaged with a reciprocating mechanism 36, and having a holder 20 with at least one rest 23 and one backstop 24, the holder 20 mounted above said front end 32 on said edge aligner 30. The resilient front end 32 of the edge aligner 30 holds a job stack 2 containing sheets which already have been piled in alignment when the edge aligner 30 is in its forward position, while at the same time holding the trailing edge of a next sheet 3, the leading edge of which sheet has already been deposited upon the job stack 2, so that the offset movement of this next sheet 3 may be accomplished without disturbing the alignment and piling of the job stack 2 immediately below it.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: October 8, 1991
    Assignee: EMF Corporation
    Inventors: Gregory Phillips, Douglas Langton
  • Patent number: 5033386
    Abstract: A plastic cased metal headed ammunition casing for high powered rifle cartridges is described in which the plastic case has a pressure regulating baffle or wall in the forward end thereof to regulate and control the development of chamber pressure movement of the bullet into the rifle barrel. The cartridge is charged with a given charge of powder and the cap or head securely fastened to the rearward portion of the plastic casing. The head provides sufficient resistance to the residual pressure after firing so that the cartridge can be used in rapid fire automatic weapons.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: July 23, 1991
    Inventor: Marlo K. Vatsvog
  • Patent number: 5033510
    Abstract: A conduit isolation baffle assembly designed to be installed in a conduit system such as a vent and wastewater system of a building. The flexible baffle is installed in a groove having a sidewall and seat formed in the interior surface of a conduit to isolate the system for testing. Once the testing procedures are complete, the baffle is flexed into a saddle shape so that it is removable from the conduit without disassembly.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: July 23, 1991
    Inventor: Donald G. Huber
  • Patent number: D328554
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: August 11, 1992
    Inventor: Daniel L. Cobble
  • Patent number: D338847
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: August 31, 1993
    Inventor: Chung S. Huang