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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 4962395 | Liquid level sensor with wide temperature range capacity A liquid level sensor comprises a light source in the form of a semiconductor device, a light sensor also in the form of a semiconductor device, and an optical element arranged to transmit light from the light source and to receive reflected light and tra... | 10/09/1990 |
| 4922606 | Method of making a current sensor A method of making a current sensor device is disclosed wherein a sensor, having a magnetoresistive element configured into a bridge, an insulating substrate and a conductive member are sub-assembled and then the sub-assembly is heated to bond the compone... | 05/08/1990 |
| 4860552 | Heat pump fan control A control for the indoor air circulating fan of a heat pump when the heat pump is operating in the heating mode. After the compressor starts, the control delays the operation of the indoor fan if the temperature is below a predetermined reference temperat... | 08/29/1989 |
| 4861951 | Rotary switch with indexing structure mounted to a printed circuit board A printed circuit board mounted rotary electrical switch has a rotatable electrical contact carrier mounted for rotation within a cup-shaped housing and carrying indexing and rotation limiting devices cooperating with the housing. An electrical contact st... | 08/29/1989 |
| 4848726 | Apparatus for transducing an electrical signal into a pneumatic signal An electro-pneumatic transducer comprises a moving coil supported by the baffle plate covering a nozzle with the baffle plate consisting of a disk spring being concentrically arranged with respect to the nozzle.... | 07/18/1989 |
| 4848099 | Adaptive refrigerant control algorithm A refrigeration system comprises a compressor, a condenser, an evaporator, an accumulator, and an adjustable controllable expansion valve. An electronic control system monitors the value of superheat and accordingly provides an electrical control signal t... | 07/18/1989 |
| 4838482 | Air conditioning system with periodic fan operation A temperature conditioning system has a temperature conditioning apparatus such as a heating apparatus or cooling apparatus, an air treatment for cleaning apparatus and a fan for moving air through the temperature conditioning apparatus and air treatment ... | 06/13/1989 |
| 4836442 | Compensation circuit for sensor lag to reduce undershoot and overshoot A compensation circuit for sensor lag uses a sensor temperature signal modification circuit to provide a modified sensor temperature signal for subsequent use in controlling the sensed temperature. The compensation circuit digitally compares a current sen... | 06/06/1989 |
| 4807466 | Method and apparatus for determining the charging of charcoal filters For determining the charging of a charcoal filter with gases and vapors the acoustical and the electrical impedance of the charcoal layer are measured. The more the filter is charged the greater will be the density of the charcoal layer and therewith its ... | 02/28/1989 |
| 4805280 | Method of joining metals of different physical properties A method of manufacturing wherein a first metal member is installed into a second metal member is disclosed. The first metal member is punched out of a stock into the second metal member which extrudes a slug. The combination is then placed over a flat su... | 02/21/1989 |
| 4790142 | Method for minimizing cycling losses of a refrigeration system and an apparatus using the method A refrigeration system control for minimizing cycling losses of a refrigeration system having an indoor coil, an indoor coil fan, an outdoor coil, an outdoor coil fan, a refrigerant line between one end of the indoor coil and one end of the outdoor coil, ... | 12/13/1988 |
| 4790352 | Slow opening and fast closure gas valve A slow opening and fast closing gas valve includes a valve seat and a valve closure member arranged to respond to a gas pressure to seal aganst the valve seat to close the valve to an input gas flow therethrough. In order to open the valve, the gas exerti... | 12/13/1988 |
| 4788520 | Ratchet means switch operator A switch operator has a low friction ratchet wheel driven by a low power time programmed clock to operate the switch in one position or another depending upon the position of the ratchet wheel to operate the ratchet wheel independent of the time programme... | 11/29/1988 |
| 4727258 | Optoelectronic system for passive range metering For passive range metering of moving vehicles a receiver is used having two detectors spaced apart and directed to the path of the vehicle which moves with constant speed and the length of which is known. The receiver measures the pass-through time of the... | 02/23/1988 |
| 4719616 | Communication method and apparatus A method of communicating data between first and second communication apparatus having the steps of transmitting line current from the first communication apparatus to a transmission line interconnecting the first and second communication apparatus, the l... | 01/12/1988 |
| 4703795 | Control system to delay the operation of a refrigeration heat pump apparatus after the operation of a furnace is terminated A multistage space thermostat control system for controlling a refrigeration heat pump and a furnace controls the heat pump from a first stage of a space thermostat and a furnace from a second stage with anticipation circuit means associated with said the... | 11/03/1987 |
| 4684060 | Furnace fan control A furnace fan control for providing operation of the fan after the termination of the furnace burner in an adaptive manner to provide for longer fan operations after the burner turns OFF, as the burner ON time increases.... | 08/04/1987 |
| 4654833 | System for transmitting and receiving a periodic pulse train A method for measuring the running time of a signal transmitted by a transmitter and received by a receiver is devised, where the signal is transmitted and received by the same transducer. For transmitting the transmitter is driven by an electrical pulse ... | 03/31/1987 |
| 4635845 | Time controlled thermostat A two wire rechargeable battery powered electric time controlled thermostat apparatus adapted to be connected by two wires to a source of alternating current voltage and control apparatus for controlling the supply of temperature condition medium to the s... | 01/13/1987 |
| 4631626 | Temperature controller with temperature limiting sensor A temperature controller with a remote sensor having a high temperature cutoff with circuit means to prevent operation of the unit if tampered with to bypass a safety function. A remote sensor has a thermal fuse and diode feeding a pulsating D.C. voltage ... | 12/23/1986 |
| 4621658 | Non-removable spring holder for a pressure operated valve A pressure operated regulator valve has a regulator spring that is held in place by a spring holder. The spring holder may be inserted into a spring housing and once inserted is locked in place. Adjustment of the valve spring may be made but the spring ca... | 11/11/1986 |
| 4598764 | Refrigeration heat pump and auxiliary heating apparatus control system with switchover during low outdoor temperature A control system for a refrigeration heat pump apparatus and an auxiliary heating apparatus has a two stage thermostat with the first stage normally controlling the heat pump apparatus and the second stage normally controlling the auxiliary heating appara... | 07/08/1986 |
| 4588372 | Flame ionization control of a partially premixed gas burner with regulated secondary air A gas burning furnace has a burner in which the premixed fuel/air ratio of the burned gas in the burner flame is measured by a flame rod sensing the ionization current. The flame rod is connected to a fuel/air controller which controls the gas and primary... | 05/13/1986 |
| 4582251 | Space thermostat for the sight handicapped A space thermostat for the sight handicapped has a raised pointer on the center control point adjustment means which cooperates with raised numbers representing temperature on a cover ring surrounding the control point adjustment means whereby a sight han... | 04/15/1986 |
| 4581503 | Humidity control with adjustment for variations in element sensitivity A humidity control having a Nylon ribbon sensing element which changes in length with moisture changes has an adjustable connecting member for changing the effect of the element on an operated switch to compensate for different expansion rates of manufact... | 04/08/1986 |
| 4562522 | Power supply for an electrostatic air cleaner with a modulated pulse width voltage input having a backup pulse width limiting means A power supply usable with various size loads has an input circuit receiving pulses of voltage at 25 kilohertz. The pulses are modulated in width depending upon the input to a pulse-width modulation IC receiving inputs indicative of the output voltage and... | 12/31/1985 |
| 4558595 | Capacitance monitoring bridge circuit for an enthalpy responsive device An enthalpy control circuit has a humidity responsive capacitive element in one leg of a bridge circuit and a temperature responsive resistance element in another leg. The circuit is powered by a pulsating DC voltage of 1 kilohertz frequency for providing... | 12/17/1985 |
| 4546918 | Control device with positive temperature coefficient impedance for limiting dissipated power A control device for controlling temperature conditioning apparatus is connected to a thermostatic switch means having a circuit requiring a small current to maintain the circuit active during the open cycle of the thermostat switch means. A positive temp... | 10/15/1985 |
| 4543974 | Gas valve with combined manual and automatic operation A gas valve assembly has a safety valve and two controlled valves connected in series. A first of the controlled valves is electromatic and a second is a conventional pressure controlled valve. A control knob provides for manual control of the safety valv... | 10/01/1985 |
| 4538420 | Defrost control system for a refrigeration heat pump apparatus A control system for a refrigeration heat pump having an outdoor coil through which air is blown by a fan for extracting heat from outdoor air with means to defrost the coil periodically has a differential pressure responsive means responding to the diffe... | 09/03/1985 |
| 4534728 | Combination gas enricher, spark igniter, flame sensor Apparatus mounted adjacent a gas burner comprising a tube attached to a high voltage electrode to form a spark gap of high voltage gas ignition and flame proving system wherein raw gas is supplied through the tube to enrich the gas mixture to a lower air ... | 08/13/1985 |
| 4505300 | Control valve apparatus A control valve apparatus has an in line ON/OFF valve and an ON/OFF and modulating valve made by placing actuator members in a non-magnetic material tube and surrounding the tube with electromagnetic coils and an iron casing. Openings at each end provide ... | 03/19/1985 |
| 4475711 | High pressure gas valve A valve assembly has a rigid valve plate with a hole therein for receiving a stem member of the valve actuator. A resilient valve member is mounted on the rigid valve plate by having a peripheral portion overlapping the valve plate. To prevent high pressu... | 10/09/1984 |
| 4468192 | Control system for controlling the fuel/air ratio of combustion apparatus A control system for an induced or forced draft combustion apparatus has a single pressure transducer for providing an electrical signal indicative of pressures by alternately responding to the fuel pressure to the combustion apparatus and the fuel pressu... | 08/28/1984 |
| 4463773 | Safety shut-off valve A safety shut-off valve opening a flow path between the primary and secondary sides in case of usual operation, while shutting off the aforesaid path in response to an emergency shut-off signal, and particularly such safety shut-off valve cannot be reset ... | 08/07/1984 |
| 4452184 | Boiler draft control device In order to protect a boiler against overheating a boiler draft control device comprises a safety thermostat in addition to the regular control thermostat. The control thermostat is provided with a supporting tube in order to limit its length reduction in... | 06/05/1984 |
| 4442853 | Safety gas valve with latch A safety gas valve with latch against non-permitted reopening has the connector of the thermoelectric power unit located on the same side of the housing as the push button of the operating rod which is born shiftable and turnable in the housing. For this ... | 04/17/1984 |
| 4439139 | Furnace stack damper control apparatus A furnace stack damper control apparatus has a motor for connection to a stack damper to open the damper upon a call for heat by a space thermostat. The motor is driven in a closed direction by electrical energization and in an open direction by a spring ... | 03/27/1984 |
| 4436506 | Control system for a gas heated water or air heater In a control system for a gas heated water or air heater, the use of the supplied fuel gas is to be improved by automatically determining and supplying the amount of air which is required for obtaining complete combustion. A gas control valve feeds a burn... | 03/13/1984 |
| 4421268 | Integrated control system using a microprocessor An integrated control system for a temperature conditioning apparatus which contains a microprocessor which is connected to the various components of a control system of the temperature conditioning apparatus such as the space thermostat, the fuel valve, ... | 12/20/1983 |
