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3995365 |
Method of forming electrical contacts
A method of forming an electrical contact in an electrical component includes the steps of punching an opening in the electrical component, moving a strip of contact material over the electrical...
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3988825 |
Method of hermetically sealing an electrical component in a metallic housing
A hermetically sealed electrical component. A conductor passes through a metal body member in which it is sealed by a glass-to-metal seal, extending to the electrical component. The metal body...
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3982081 |
Keyboard assembly with overlapped flexible printed circuit cable switch
This invention relates to a keyboard switch assembly having a minimal number of components. A flexible printed circuit cable is configured in such a manner so that the flexible printed circuit...
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3967369 |
Process for making electrical switches
A strip of electroconductive material is perforated by I-shaped holes. Contact materials shaped to conform to said I-shaped holes are inserted in the holes and swaged. Then, the I-shaped contact...
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3967370 |
Method of manufacturing a multicontact switch
A multicontact switch for use in a keyboard is manufactured from a plurality of metallic strips and a printed circuit board. The strips are passed through rollers that form arched portions in the...
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3968468 |
Electrical switch and method of calibrating
An electrical switch is provided with means movable in response to heat supplied thereto between circuit controlling positions, and the movable means has a predetermined generally arcuate...
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3950846 |
Method of forming a deformed, integral switching device
A method of forming a switching device having a movable contact that is an integral part of a metallic support substrate and is supported above the support substrate by a plurality of spring-like...
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3938066 |
Reed switches and process for making them
A reed switch is made by forming an envelope tube, non-circular in cross-section, with a known internal heightwise dimension, forming a reed element with two end-bearing portions at least one of...
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3917921 |
Slide actuated switch
A switch in which the U-shaped slide actuator that is employed for each switching stage of the switch fits over the contacts of the switching stage so as to slide back and forth in order to operate...
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3916512 |
Method of making microswitches
A method of continuously making microswitches, wherein a main metal strip of a material adapted to making parts of the microswitch to be formed mostly by punching operation is supplied along a main...
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3913054 |
Thermally responsive switch
A thermally responsive switch includes a pair of contact elements, at least one of which is a bimetallic element, extending through slots in a ceramic container, and a mass of non-volatile,...
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3908266 |
Reed switch manufacture
The invention relates to a method and apparatus for the encapsulation of a switch contact sub-assembly, in which sub-assembly at least two contacts are rigidly joined in a desired spatial...
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3909210 |
Apparatus for producing a glass-encapsulated reed contact switch
Apparatus for producing reed switches, wherein means are provided for holding contacts in spaced relation within a glass tube, a coil adjacent the tube being capable of applying either a...
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3908110 |
Method for calibrating an electric circuit breaker
A circuit breaker designed for automated assembly includes pairs of fixed and movable contacts, the latter carried by a carrier mounted for reciprocating movement in the breaker case. Operating and...
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3866317 |
REED SWITCHES AND PROCESS FOR MAKING THEM
A reed switch is provided preferably with an envelope non-circular and in particular a flattened oval in cross section. Reed switch elements, each having a reed section, a sealing section and a...
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3864826 |
METHOD OF MANUFACTURING A SEALED CONTACT
A method for closely controlling the tolerances involved in the manufacture of a contact assembly is accomplished by a predeterminately positioned oblong hole in one corner of both the base plate...
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3857175 |
METHOD OF MANUFACTURING REED SWITCHES WITH OXIDIZED RHODIUM CONTACTS
The cooperating contacts of a reed switch are made of rhodium oxide. Such contacts are prepared by plating rhodium on the reeds of reed switches and then oxidizing the surface layers of the plated...
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3845543 |
METHOD OF PRODUCING A VACUUM SWITCH CONTACT
A method of producing a vacuum switch contact in which a support material in the form of thin sheet metal having a low vapor pressure is placed in a vacuum chamber and heated to a temperature above...
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3842231 |
CONTACT SPRING SET FOR AN ELECTROMAGNETIC RELAY
An electromagnetic relay has a contact spring set in which the contact springs are held in fixed position between two plastic base members, one of which is thermoplastic and is secured to the other...
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3835278 |
METHOD OF REDUCING SOLID ARCING PRODUCT BUILD-UP BETWEEN ELECTRICAL CONTACTS IN PRESSURIZED FLUID AMBIENTS
A method of substantially reducing the build-up of solid arcing products between contacts for making and breaking electrical circuits including the steps of adjusting the contacts to an arbitrary...
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3831272 |
METHOD OF MAKING SELECTIVE SWITCH CONTACTS
This invention relates to a switch having four parts including the housing. More particularly the invention relates to a frame which has 16 positions which can be binary coded. The sixteen...
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3828427 |
METHOD FOR PRODUCING A GLASS-ENCAPSULATED REED-CONTACT SWITCH
This disclosure relates to a method for producing reed switches whereby a first contact is embedded in one end of a glass tube, a second contact is positioned through the other end of the glass...
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3816910 |
METHOD FOR MAKING THERMALLY RESPONSIVE SWITCHES
A thermally responsive switch and method for making the same in which a pair of contact elements including at least one bimetallic element are mounted within an integral support base molded from a...
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3805378 |
MANUFACTURE OF REMANENT REED SWITCH
A technique for the fabrication of a sealed remanent reed, self-latching magnetic switch is described. Appropriate magnetic properties are developed through a series of processing steps terminating...
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3802070 |
INTERCONNECTING MEANS FOR POLES OF CIRCUIT BREAKERS
A multiphase molded case circuit breaker of high current rating is provided with an individual spring powered operating mechanism for each phase. These mechanisms and the movable contact structures...
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3803342 |
SWITCH HOUSING ASSEMBLY HELD TOGETHER BY SWAGED TERMINALS
A pair of switch housing members having sides thereof disposed in face-to-face relation and thereby defining a juncture line therebetween. A substantially flat terminal member projects out of the...
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3798763 |
METHOD OF MAKING A ROTARY SWITCH STATOR
A method of manufacturing a rotary switch stator in which round section wire used for the stator pins is formed into meander loops which are placed in a mold so that certain portions of the meander...
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3768158 |
BUZZER MANUFACTURING METHOD
A method of fabricating a plurality of buzzers from an initial stamping. The stamping is formed having a configuration defining the metal parts of four buzzers with individual circuit portions...
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3750276 |
MAGNETIC REED CONTACT UNIT PRODUCING APPARATUS
Apparatus for, and methods of, producing magnetic reed contact units wherein a first contact member which is releasably held at one end thereof by support means, magnetically supports a second...
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3747208 |
THERMALLY RESPONSIVE SWITCH AND METHOD FOR MAKING THE SAME
A thermally responsive switch and method for making the same in which a base container having a cover supports a pair of contact elements, including at least one bimetallic element, and is filled...
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3747039 |
THERMOSTAT AND METHOD OF MAKING SAME
A cup-shaped metal can containing a thermostatic switch unit is mounted in an opening in the bottom of a cup-shaped plastic jacket, and has two terminals which project into the jacket and which...
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3724067 |
METHOD OF ASSEMBLING A SWITCH BY THE USE OF AN ALIGNING PIN
A combined potentiometer and switching structure including wiper contacts fixed to a shaft and having contacting engagement with an annular resistor and a pair of switching rings. The wiper...
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3722086 |
PROCESS FOR MAKING FLOOR MAT SWITCHES
To make a floor mat switch, a large O-ring seal is held out adjacent the periphery of one contact plate and rubber separator discs are cemented to the surface of the plate at evenly spaced...
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3719567 |
METHOD FOR PRODUCING A CONTACT REED
A method for producing a contact reed especially suitable for use in a reed switch to ensure a long life and low electric contact resistance of the switch, comprising electrolytically polishing the...
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3718970 |
ELECTROMECHANICAL TRANSDUCER PROCESS
A method of manufacturing a device such as a resonant reed device having an enclosed mechanically displaceable conductive member with a controlled atmosphere within the enclosure, the method...
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3704511 |
FLY'S EYE LENS PROCESS
An improved structure and method for the electrostatic lens array of a fly's eye lens in an electron beam device resulting in precise parallel spacing of the planar lens electrodes as well as...
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3705380 |
METHOD OF INTERCONNECTING PARTS
In a method of interconnecting a pair of parts at least one of which is thermoplastic, the thermoplastic part has an aperture therein and one surface of the thermoplastic parts has a recess...
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3704514 |
SEALED ARMATURE CONTACT RELAY MAKING PROCESS
Two magnetizable contact springs are hermetically sealed in a tube to be controlled by magnetic force from the outside. The two contact springs are made from flat strip material by a single...
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3694912 |
METHOD OF MANUFACTURING AN ELECTRICAL RELAY
An electrical relay including a plastic header or base and a plastic shell hermetically sealed to the header. Electrical terminals are sealed into said header and extend into a recessed under...
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3691631 |
METHOD OF MAKING A VOLTAGE ACTUATABLE SWITCH
A voltage actuated switch comprises a conductor, an essentially defect-free layer of insulating material which has a portion thereof that overlies and engages at least a part of a surface of that...
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3673535 |
ELECTRICAL SWITCH HAVING A SNAP BLADE MEANS AND METHOD OF CALIBRATING THE SAME OR THE LIKE
An electrical switch having a snap blade means of the over-center variety that is confined in its movement to only the negative rate area thereof on one side of its over-center position and to a...
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3670131 |
ADJUSTING AND CONTROLLING REED RELAYS
A process for adjusting and checking reed relays comprises locally heating one of the two switching tongues by a high frequency heating system, and deflecting both switching tongues simultaneously...
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3664014 |
UNIVERSAL MODULAR PRINTED CIRCUIT MAGNETIC REED KEYBOARD SWITCH ASSEMBLY
At least one glass tube enclosed magnetic reed switch is mounted on a planar printed circuit board which is removably inserted into a hollow housing member in grooves on either side of an axially...
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3629941 |
METHOD OF FORMING COAXIAL CONDUCTORS OF SMALL DIAMETERS
A method of forming coaxial conductors of small diameters.
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3628242 |
MANUFACTURE OF ELECTRIC SWITCHES
The invention concerns a method for assembling reed contact units. In assembling such units, one reed is positively held and the second is magnetically held from the first and is aligned with it...
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3617671 |
PLUNGER-OPERATED SWITCH WITH OFFSET ADJUSTMENT MEANS
An electrical switch having a two-part body, one part carrying a spring-loaded plunger and the other part carrying an electrical contact member, and the two parts of the body having respective...
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3601728 |
PRINTED CIRCUIT KEY IMPROVEMENT
Magnetic reed switches have their operation strokes standardized by locating the reeds in variable positions relative to a magnet affixed in a movable structure depending upon their individual...
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3596352 |
METHOD OF CALIBRATING BIMETALLIC ELEMENTS IN A THERMAL OVERLOAD SWITCH
This disclosure relates to a thermal bimetal operator for a multiple line control switch unit and to the method of construction. A switch housing is provided with a series of small cavities in one...
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3594898 |
METHOD OF MAKING A ROTARY SWITCH
A rotary selector switch of molded plastic having a rotor blade overlapping the edge of the stator, with an axially directed rim on the stator around the rotor opening. The face of the stator is...
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3579822 |
METHOD AND BLANK FOR MAKING POTENTIOMETER CONTACT SPRINGS
A method of manufacturing miniature potentiometer contact springs by winding a substantial length coil of a single layer of fine, heat-treatable precious metal alloy wire on a generally cylindrical...
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