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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Cutler-Hammer, Inc. Patents
Assignee:
Cutler-Hammer, Inc.
Address:
Milwaukee, WI
No. of patents:
113
Patents:


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Patent Number Title Of Patent Date Issued
4354226 Communication terminal for interconnecting programmable controllers in a loop October 12, 1982
A communications terminal for use with a programmable controller to permit transmission of status and control information between that programmable controller and a plurality of programmable controllers having similar communications terminals associated therewith and connected in a c
4180767 Closed-loop regulating and overhauling load energy dissipating chopper type current control syst December 25, 1979
A "chopper" type armature current control system for a D.C. motor when connected across the output of a rectifier, A.C. to D.C. type supply source that is characterized by having closed-loop regulating control, and having overhauling load energy dissipating circuit which is automatically
4174472 Pivoted-actuator switch with integral off-lock November 13, 1979
A pivoted-actuator switch having a switch operator including a pivotally-mounted contact actuator and a manually-grasped, removable operating lever or "key" snap-in mounted to the contact actuator for actuating the switch. A spring-biased pivotal lock bar is normally retracted by the
4174143 Bus duct joint employing lightly-loaded multiple-point electrical connector November 13, 1979
A single-bolt joint having louvered contact strips interposed the bus bars and conductor splice plates for improved electrical connection under low insertion forces is tightened to become a solid connector assembly prior to attachment to the bus bars of a first bus duct and requires no
4168416 Guarded safety switch with integral off-lock and actuator non-removable in on position September 18, 1979
A pivoted-actuator safety switch of the type having a spring-biased lock lever within the sub-actuator that extends out to catch beneath the rim of the hole in the switch frame or housing to lock the pivoted-actuator in its "off" position, and a removable insertable actuator, covering th
4166935 Alternately-operable two-pushbutton switch September 4, 1979
An electric switch having two pushbuttons for rocking a pivotal actuator alternately in opposite directions for alternately closing double-throw contacts. The pivotal actuator is snap-in assembled to a switch frame which is snap-in assembled to a switch base or housing that supports the
4163136 Snap-in means for mounting electrical devices or the like in a support panel aperture July 31, 1979
The snap-in mounting means includes a snap-in grommet carried on the shank of a bushing which extends from a switch frame mounted on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for actuating switch contacts housed in the switch base. The sn
4162388 Apparatus and method for submerged percussion welding July 24, 1979
Submerged percussion welding is disclosed wherein the parts to be welded are in intimate contact with a liquid, such as water, during explosion and vaporization of the arc starter therebetween. In preferred form, one part is mounted to a stationary bottom electrode around which a movable
4162386 Method of and means for securing an electric switch operating lever in a one-hole mounting bushi July 24, 1979
A method of and means for securing a toggle type operating lever in place in an electric switch or the like. The lever is provided with integral trunnions that are fitted into pivot sockets formed internally in a switch mounting bushing. Tab portions partially sheared out the bushing wal
4160138 Switch with indexing detent block July 3, 1979
A small toggle lever switch with positive position feel is disclosed. A toggle lever is pivotally mounted to a housing and has a shaft extending thereinto. Upper and lower plungers are slidably disposed on the shaft and are biased apart by a compression spring encircling the shaft. The l
4159483 Low profile force indicating fastener, especially for semiconductor clamps June 26, 1979
A low profile semiconductor clamp with force indicating means is disclosed. A resiliently compressive spring washer, such as a belleville, is incentrically disposed within and bowed above an annularly larger indicator washer. The washers rest on a base member to which a clamping forc
4158829 Electromagnetically operated DC power contactor June 19, 1979
An electromagnetically operated DC power contactor for high voltage and current use constructed to afford the required contact pressure at the arcing and main contacts with minimal magnet force together with the provision of contact wipe and shearing and rolling action to effect brea
4156804 Snap-in means for mounting electrical devices or the like in a support panel aperture May 29, 1979
The snap-in mounting means includes a garter spring retained in an annular groove provided near the outer end of a bushing which extends from a switch frame on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for actuating switch contacts housed
4154997 Miniature multi-contact pushbutton switch May 15, 1979
A pushbutton switch having an extremely small size for its number of contacts and capability. The switch has a tubular insulating housing with the snap-in pushbutton non-rotatably keyed in and extending through the upper reduced bushing end thereof for longitudinal reciprocal movement.
4151524 Multipath communications system April 24, 1979
3. The method of modulating a dispersed pulse signal by a temporally sequential series of intelligence elements, comprising the steps of:(a) producing a series of component signals each substantially identical with said dispersed pulse signal but delayed with respect thereto by an amount
4149122 Wideband tracking generator for harmonic mixing receivers April 10, 1979
A tracking generator for a wideband superheterodyne receiver in which a fixed-frequency signal source supplies an IF signal to a mixer for conversion to an RF signal at the frequency to which the receiver is tuned. A second signal is supplied to the mixer from the local oscillator wi
4149053 Safety disconnect electric switch April 10, 1979
A trigger switch for portable tools that provides safety disconnect under contact-weld conditions. The switch is a manual close, return spring open, double-snap type wherein the actuator acts on a double-inclined surface of a cam to snap the switch contacts closed or open as the actuator
4149052 Safety-disconnect power tool switch April 10, 1979
An electric power tool mounted switch that provides safety-disconnect under contact-weld conditions, and is of the manual close, manual open, or momentary (spring return), double-pole type having an actuator of the toggle lever, trigger or other suitable type. The operating member ac
4149049 Switch using resilient annular contactor April 10, 1979
An electrically conductive annular elastic contactor is trapped in a cavity in a housing defined by a bottom wall and left and right side walls. A movable operator cammingly engages the contactor, compressively deforming it until an overcenter position is passed, after which the contacto
4146856 Shutterless fiber optic switch March 27, 1979
A fiber optic reed switch is disclosed. A pair of fiber optic cables are mounted to the ends of cantilever reed arms by means of supports providing coaxial alignment of the cables upon closure of the reed arms to complete an optical circuit.
4144410 Multiplex communication system March 13, 1979
A reconfigurable serial loop multiplex communication system for communication of digital and analog status and control information between field terminal locations or to a central control location via a twisted pair line. Input modules in a first terminal station communicate signals
4139755 Snap-in bushing electric switch including a frame with integral back-up elements having panel-en February 13, 1979
A toggle switch having a molded insulating frame mounting a snap-in bushing secured thereto for snap-in mounting of the switch in a hole in a mounting pane. This bushing pivotally retains the toggle lever for operating the switch contacts within the base. This frame includes a pair of de
4138646 Wideband absolute calibration system February 6, 1979
An absolute calibration system for a wideband superheterodyne receiver in which a fixed-frequency signal source supplies an IF signal to the mixer for conversion to an RF signal. The RF signal produced in this manner passes through the RF components of the receiver to the input port of t
4138645 Wideband signal calibration system February 6, 1979
A calibration system for a wideband superheterodyne receiver in which a fixed-frequency signal source supplies an IF signal to the mixer for conversion to an RF signal. The RF signal produced in this manner passes through the RF components of the receiver to the input port of the rec
4137490 Trigger speed control switch January 30, 1979
A speed control subassembly is made by providing a generally flat heat sink plate having a laterally-formed collector strip at its upper edge. A double-sided-adhesive insulator tape strip is stuck to the heat sink, this tape having a hole large enough to receive a thyristor chip so that
4135069 Completely insulated toggle switch January 16, 1979
A toggle switch having an insulating housing that completely encloses all metal parts enabling connection of "live" wires to the switch terminals safely. The housing includes a molded base and a molded snap-in cover. A toggle lever supporting bushing is clamped between the base and cover
4134080 Low inductance resistor January 9, 1979
A low inductance resistor comprising a metalized, planar silicon wafer, positioned beneath the emitter tabs of an RF power transistor to provide dc balancing and stabilization and thus eliminate the need for more costly collector feedback circuits.
4132933 Electromechanical chopper for speed control of battery powered devices January 2, 1979
A chopper for adjustably controlling the average value of the voltage supplied from a D.C. battery source to a motor load for adjustable speed control. The chopper comprises manually-operable spring-biasing means for applying force to close a contact to energize the motor and electro
4132875 Yarn detector switch with snap-on trapper January 2, 1979
A two-piece snap-on yarn trapper including a molded U-shaped bracket that snaps onto a yarn detector switch and supports a plural-turn helical spring. This spring is held inwardly bowed in the bracket so that the turns are held open or separated on the yarn side to provide a series of
4127754 Pivoting and sliding contactors and operating member therefor in electric switches November 28, 1978
Improved pivoting and sliding contactors and an operating member for lever and rocker operated electric switches are disclosed. A resiliently pivotally mounted forked operating member engages with the contactors adjacent opposite sides thereof and pivots and slides the contactors on a
4123634 Snap-action switch with contact wiping action October 31, 1978
An electric snap-action electric switch is disclosed which employs movable contact means having an inverted V-shaped cam surface. The movable contact means is spring biased into engagement along its cam surface with the end of a pivoted operator lever. Upon movement from one extreme posi
4121072 Snap-action overcenter switch having an apexed plunger depressible in a rockable actuator block October 17, 1978
A snap-action overcenter contact mechanism utilizes a spring-loaded apexed plunger depressibly cammed within a rockable actuator block. The plunger rides in tracks in the block which ensure registered pivotal movement of the block and plunger, and also guides the plunger for depression w
4121069 Snap-action electric switch with fulcrum means for limited contact sliding and positive-off torq October 17, 1978
An electric snap-action switch is disclosed having a movable contactor with oppositely inclined camming surfaces meeting at an apex on the top thereof. The contactor is centrally biased upwardly from below and cammed downwardly from above by a laterally movable operator traversing the
4121065 Toggle switch lever lock October 17, 1978
An off-lock for a toggle switch of the type having a slotted guide plate and a spring-biased toggle lever having flats on opposite sides of the portion thereof extending through the elongated slot in the guide plate to confine the toggle lever for non-rotatable pivotal motion. The lever
4119845 Thermally-sensitive, photo-controlled semiconductor switching systems October 10, 1978
A switching system having a photo-sensitive power switching or control element such as a photo SCR, photo triac, photo transistor or the like that is normally turned on or off by coupled light from a controlled light source such as an LED (light emitting diode), neon lamp, incandescent l
4115673 Current commutation means for illuminated switch indicator September 19, 1978
In the exemplary embodiment, an attachment is mounted to the switch housing and supports stationary supply terminals which extend through the switch housing to make sliding and wiping contact externally of the housing with the terminals of an indicator lamp carried by the switch operator
4112458 Silicon thyristor sensitive to low temperature with thermal switching characteristics at tempera September 5, 1978
Thermally sensitive silicon thyristors capable of intrinsically switching between high and low resistance states in response to a predetermined temperature in the range -30.degree. C to +150.degree. C; this intrinsic switching temperature being not only lower than heretofore achieved but
4112282 Snap-in means for mounting electrical devices or the like in a support panel aperture September 5, 1978
The snap-in mounting means includes a ring-like retainer member disposed in an annular groove provided near the outer end of an elongated bushing which extends from a switch frame member on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for ac
4110720 Thermostatic control August 29, 1978
A thermostatic control as shown and claimed in U.S. Pat. No. 3,135,849 in which the reed in this new disclosure has a pair of split legs. One leg of a first set of such pair is a flipper leg and the other leg of such first set carries a contact which is designed to be resistant to erosio
4110585 Grounded lever toggle switch August 29, 1978
EMI (electromagnetic interference) is prevented by grounding the switch operator. This is done by placing an electrically conductive spring brush within the switch housing to connect the toggle lever to the metal frame of the switch. Since the metal frame is connected through its mountin
4109126 Conductive coating on switch lever seal for RFI elimination August 22, 1978
RFI (radio frequency interference) is eliminated by the placing of a conductive elastomer coating over the toggle lever seal so as to electrically connect the toggle lever to the switch metal frame or housing that is grounded through the mounting panel.
4105883 Electric switch having a frame with improved snap-in base retention means August 8, 1978
A toggle switch having a molded insulating frame including a pair of depending legs between which the insulating switch base is snap-in mounted and retained. The frame includes a bushing having a resilient collar for snap-in mounting of the switch in a hole in a mounting panel. This bush
4103299 Two-wire pilot device solid state control system July 25, 1978
A line of 2-wire pilot devices using current level as a signal for implementing solid state control systems. A variety of alternative pilot devices such as flag type limit switch, magnetic type proximity switch, capacitance type proximity switch and temperature responsive switch, in
4103127 Snap-action overcenter switch having an apexed plunger depressible in a rockable actuator block July 25, 1978
A snap-action overcenter contact mechanism utilizes a spring-loaded apexed plunger depressibly cammed within a rockable actuator block. The plunger rides in tracks in the block which ensure registered pivotal movement of the block and plunger, and also guides the plunger for depression w
4101749 Electrical attachment of indicating lamp to terminals in electric switches July 18, 1978
An improved method and means for making electrical connections for an internal indicating lamp within a small switch. The conducting leads of the lamp and/or a voltage dropping resistor are connected to and held in good electrical engagement with stationary terminals of the switch as an
4100383 Industrial reversing speed control trigger switches having snap-in modules July 11, 1978
Two embodiments of industrial grade trigger switches are disclosed. Each has an on-off switch and a resistor controlled speed control circuit operated by trigger depression and a reversing switch provided with an operating lever overlying the trigger, and characterized by modular con
4097842 Deceleration indication system June 27, 1978
A deceleration indication system for use on motor vehicles to indicate to the trailing driver that the leading vehicle is decelerating thereby to prevent rear end collisions. The system is of the solid state type and is arranged to detect and respond to decrease in the rate of operation
4097829 Thermoelectric compensation for voltage control devices June 27, 1978
A tuning compensation device to reduce post-tuning frequency drift in voltage controlled oscillators, comprising a thermoelectric element, such as a wafer of doped semiconductor material, in contact with the junction of a tuning element, such as a varactor diode, to produce a correction
4097704 Industrial reversing speed control trigger switch with snap-in modules June 27, 1978
An industrial grade trigger switch having an on-off switch and a resistor controlled speed control circuit both controlled by trigger depression and a reversing switch provided with an operating lever overlying the trigger, and characterized by a large heat sink for the solid state curre
4097223 Flash-tube ignition system June 27, 1978
A combustible fuel gas burner has a primary tube supplying gas and primary air to a main burner, a secondary tube supplying secondary air to the main burner to afford complete combustion, and an exhaust tube through which the products of combustion are exhausted. The exhaust tube also ac
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