Patents Represented by Attorney Walter C. Vliet

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  • Directional control assembly for an air winch
    Patent number: 5465939
    Abstract: A mechanical limit control device for adjustably halting the operation of a winch at preset points including a proportionally driven flexible cog belt providing a compact conformable configuration having projections which operate a snap action air valve to limit the deployment extent of a pneumatically operated winch.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: November 14, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Leslie J. Sell
  • Socket tray with adjustable socket guides
    Patent number: 5407063
    Abstract: An adjustable socket tray for visually displaying a socket for selection of the socket size and/or a fastener tightening strategy wherein the socket is restrained by a movable "V" block to retain the socket about a centerline incident with a sensor to determine the selection of the socket.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: April 18, 1995
    Assignee: Ingersoll-Rand Company
    Inventors: Donald R. Warner, David R. Melrose
  • Transition spool for pneumatic valve
    Patent number: 5404912
    Abstract: Disclosed is a means for conveying air required for pneumatic malfunction around an electrical connection, in particular where space is restricted to meet International standards. The invention is shown to provide manufacturing and assembly access while minimizing the occupied cross sectional area of the available passageway space in a stacked pneumatic valve.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: April 11, 1995
    Assignee: The Aro Corporation
    Inventors: Rick Hausler, Anthony Roshko
  • Adjustable socket tray
    Patent number: 5405025
    Abstract: An adjustable socket tray for use in assembly operations wherein the tray is provided with movable partitions to selectively store sockets of different diameter and effect notification to a controller of a selected socket for establishing appropriate conditions of fastener tightening via the socket selection process.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: April 11, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: David R. Melrose
  • Method of monitoring threaded fastener tightening operations
    Patent number: 5404643
    Abstract: A crankshaft bearing inspection system for confirming the presence of bearing inserts and the proper amount of bearing crush during assembly of reciprocating machines accomplished by measuring a fastener tension related function and a function fastener rotation, and evaluating the curves thus obtained to confirm and identify a characteristic signature of the bearing presence as, for example, a first constant rate of tension increase followed by a second increased constant rate of tension increase falling within expected inspection limits.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: April 11, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Edwin E. Rice
  • Method of inspecting bearing insert assemblies
    Patent number: 5396703
    Abstract: A crankshaft bearing inspection system for confirming the presence of bearing inserts and the proper amount of bearing crush during assembly of reciprocating machines accomplished by measuring a fastener tension related function and a function fastener rotation, and evaluating the curves thus obtained to confirm and identify a characteristic signature of the bearing presence as, for example, a first constant rate of tension increase followed by a second increased constant rate of tension increase falling within expected inspection limits.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: March 14, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Edwin E. Rice
  • Reversible clutch jaw
    Patent number: 5396975
    Abstract: A power transmission clutch for power tools having interacting interchangeable and reversing replaceable identical clutch elements which essentially double the clutch part life and permit ready repair without additional parts.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: March 14, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Michael A. Robinson
  • Hydraulic plunger replacement method and device
    Patent number: 5396831
    Abstract: A removable cartridge seal and dilatable collet retainer for a hydraulic plunger is provided to permit ready removal and replacement of the plunger and seal in a hydraulic intensifier device or the like.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: March 14, 1995
    Assignee: Ingersoll-Rand Company
    Inventors: Lyle E. Marvin, Dan Benson
  • Air operated double diaphragm pump
    Patent number: 5391060
    Abstract: The design of an air operated double diaphragm pump provides improved assembly, mounting flexibility, multiple plumbing combination including check valves which allow the pump to be mounted in any position without effecting its ability to prime or pump. A two shell housing design provides an enclosure for the air motor and includes structural ribbing, internal baffling, and all connections are made on the end of the pump in line with the diaphragm centerline allowing the pump to be installed in any access in line with the plumbing system.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: February 21, 1995
    Assignee: The Aro Corporation
    Inventors: Nicholas Kozumplik, Jr., Gerald M. Distel
  • Multistage differential gear package
    Patent number: 5376057
    Abstract: A gear set is provided having a plurality of two-stage intermediate gears which do not require indexing on assembly or reassembly of the gear train. This is provided by aligning the two-stage gear teeth in axial alignment tooth for tooth between the stage while maintaining an appropriate number of teeth on the input and output gears.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: December 27, 1994
    Assignee: Ingersoll-Rand Company
    Inventors: Timothy R. Cooper, Scott A. Delozier
  • Free-chain device for a lever hoist
    Patent number: 5364073
    Abstract: A function selector knob for selecting a free-chain function is provided with a selectively positioned bias dog which contacts a brake driving gear threadingly engaged on a pinion shaft, alternatively biasing the gear in a brake engaging or brake release direction as determined by an over center spring disposed between a selector knob and a pinion supported stop.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: November 15, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Leslie J. Sell
  • Air tank drain
    Patent number: 5353835
    Abstract: An automatic air tank drain is provided by forming a venturi induced suction at the tank outlet which draws liquid out of the tank as the tank air is exhausted past the venturi through a flexible hose positioned by a weight at the tank bottom.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: October 11, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Floyd D. Mills
  • Spring check valve cartridge
    Patent number: 5348046
    Abstract: A reversible check valve cartridge wherein a sealing disk is urged to the shutoff position by means of a cage mounted umbrella spoke-like spring which is secured to the cage and is fully recessable therein so as to permit full travel of the sealing disk within the cage, thereby permitting increased flow for a given thickness of the valve cartridge.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: September 20, 1994
    Assignee: The Aro Corporation
    Inventors: Nicholas Kozumplik, Jr., Gerald M. Distel
  • Tool construction
    Patent number: 5346024
    Abstract: A power tool construction wherein an integrated pressure fluid motor is provided with a unitary motor cylinder and back head and an external cooperative porting surface for cooperation with a valve porting surface. A further feature of the construction provides a cooperating front head plate with concentric alignment lands for attachment of the motor and a power output device such as a gear reducer.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: September 13, 1994
    Assignee: Ingersoll-Rand Company
    Inventors: Robert E. Geiger, John M. Clapp
  • Feedback controlled engine starting system
    Patent number: 5337713
    Abstract: The engine starting system herein described controls an engine starting sequence which prevents start attempts when the engine is running and regulates the starting function within a control range of revolutions for efficient use of the available starting power either in the form of pressurized fluid from a tank or electrical discharge of a battery to effectively extend the efficient starting cycle of an engine.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: August 16, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Floyd D. Mills
  • Sensing rope guide for a hoist drum
    Patent number: 5335895
    Abstract: A rope hoist rope guide is readily mounted on a drum by a unique split ring construction and includes unique rollers which cooperate with the grooves in the drum to position the guide ring and accurately deploy the rope to appropriately lay the rope in the drum grooves regardless of side forces applied.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: August 9, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Leslie J. Sell
  • Air valving mechanism, in combination with a double diaphragm pump subassembly
    Patent number: 5334003
    Abstract: A double diaphragm pump subassembly, having a pair of diaphragm mounting plates, wholly confines an air valving mechanism between the plates. The mechanism is modular in nature, being substantially devoid of fasteners, and is nested in the plates for easy removal and parts replacement.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: August 2, 1994
    Assignee: The Aro Corporation
    Inventors: Richard K. Gardner, Gordon M. Schroeder
  • Indicating positive positioning selector knob lock
    Patent number: 5329829
    Abstract: An interfering surface is disposed between a rotating selector knob and a stop to prevent unwanted rotation of the selector knob and wherein release of the stop requires displacement of the knob in an axial direction relative to the stop to bypass the interfering surfaces thereby permitting selective rotation of the knob.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: July 19, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Leslie J. Sell
  • Combined palm sander with vacuum connection
    Patent number: D351976
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: November 1, 1994
    Assignee: Ingersoll-Rand Company
    Inventors: Kevin R. Morey, Hector A. Haget, Jr.
  • Pneumatic rotary tool
    Patent number: D363420
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: October 24, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Donald R. Warner