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Class 200/535 - Leaf spring contact


Subclass of Class 200 - Electricity: circuit makers and breakers
Definition: Subject matter wherein leaf springs are utilized as either
No. of patents: 68
Last issue date: 08/14/2007


1    
NumberTitleIssue Date
7256362Mechanical limiter switch
A mechanical limiter switch for use in a medical or surgical device has a substantially cylindrically shaped housing with a perimeter and an opening in an axial direction. The housing has a pattern along the perimeter. A spring is mounted in the opening along the ax...
08/14/2007
7256360Rolling-ball switch
A rolling-ball switch includes a housing, at least two terminal rods, and a conductive ball. The housing defines a chamber, and has a bottom wall provided with at least two through holes. Each through hole is defined by a multi-sided hole wall. Each terminal rod has...
08/14/2007
7253368Pin anchoring structure for button switches
A pin anchoring structure for button switches has a wiring space in an insulation seat to hold a first pin and a second pin that are separated. Through a pressing action, the first pin and the second pin form an electric connection via a conductive connection member...
08/07/2007
7205492Push button actuator
A push button actuator unit has a housing which defines a through passage that extends along an axis of the housing, and a slot that extends in a plane which transversely intersects the axis and communicates with the passage for supporting in the housing-defined slo...
04/17/2007
7196280Miniaturized electric switch
A switch (10) comprising a bottom contact-holder (12) supporting two fixed electric contacts (30, 30B), an actuation member (54) and an intermediate conductive contact strip (14) that can be deformed elastically in order to modify ...
03/27/2007
7126066Push button actuator
A push button actuator unit has a housing which defines a through passage that extends along an axis of the housing, and a slot that extends in a plane which transversely intersects the axis and communicates with the passage for supporting in the housing-defined slo...
10/24/2006
7126073Intermittent connection device
An intermittent contact connector device including a frame having a first frame section movably connected to a second frame section; two electrical contacts connected to the second frame section, and an electrical shorting member connected to the first frame section...
10/24/2006
7100856Thread spool and bobbin holder
The invention is a combination spool and bobbin holder having essentially separate sections for the spool and the bobbin. The color of the thread is visible on both the spool and the bobbin for selection purposes and to ensure that the correct bobbin is stored with ...
09/05/2006
7022928Push-on switch
A push-on switch is pushed horizontally to the surface of a printed wiring board used in various electronic apparatuses. The push-on switch is of a surface mounted type, in which only front terminals lead from case can be extended vertically downwardly and soldered ...
04/04/2006
6846996Pushbutton mechanical limiter switch including movable contact with conductive radial segment located in serrated housing passageway
A mechanical limiter switch for use in a medical or surgical device has a substantially cylindrically shaped housing with a perimeter and an opening in an axial direction. The housing has a pattern along the perimeter. A spring is mounted in the opening along the ax...
01/25/2005
6657143Key switch apparatus for electronic musical instruments
The size of the key switch apparatus, particularly its height, is reduced to allow its use even in keyboard-type electronic musical instruments. By virtue of a key-driven actuator, multiple terminal strips are allowed to contact bus bars installed in more...
12/02/2003
6495780Waterproof sealed switch with a single contact and method for manufacturing same
A sealed switch has two switch contacts arranged inside a cavity formed in a molded switch body and the terminal connection for each switch contact are also arranged in respective cavities in the switch body. The switch contacts are sealed by a rigid shee...
12/17/2002
6466118Overlay electrical conductor for a magnetically coupled pushbutton switch
A magnetically coupled pushbutton switch has a coupler magnet layer that normally holds an electrically conductive magnetic armature spaced from a substrate layer. An overlay having an overlay electrical conductor formed thereon covers the pushbutton swit...
10/15/2002
6326568Blade switch assembly for a card reader
An electrical switch assembly includes a first switch contact having a base and an integral first contact arm folded over the base. The contact arm has an upwardly facing contact surface. A second switch contact arm includes a base and an integral spring ...
12/04/2001
6326572Push-button switch assembly
A push-button switch assembly mainly comprises a push button, a switch casing, a positioning lever, and a resilient contact piece, wherein the push button is depressed for positioning a protruding portion of the positioning lever to interact with a, polyg...
12/04/2001
6107586Push-on switch
A push-on switch includes a casing made of insulating material and having an inner bottom surface. First fixed contacts are provided on the inner bottom surface of the casing. Second fixed contacts are provided on the inner bottom surface of the casing. M...
08/22/2000
6096990Appliance switch
A cheaply assemblable appliance switch has a housing with walls defining a cavity opening rearward and an aperture forward in which an actuator is captured. Mid portions of terminal pieces which are wider than inner portions are affixed in the housing in ...
08/01/2000
6087606Waterproof switch with single contact and method for manufacturing same
A waterproof switch has a single contact arranged in a sealed housing, with an actuator arm protruding from one end and electrical terminals protruding from an opposite end. The single contact is arranged close to a metal portion that is moved by the actu...
07/11/2000
6064016Wiper switch terminal and contact
A switch is provided that includes a circuit board support (12) with a contact bump (24, 26) thereon, and a sheet metal terminal (16) having a deflectable blade (20,22) with an elongated H-shaped slot (70). The slot forms rear and front tines (72, 74) wit...
05/16/2000
5671841Method and apparatus for switching mechanism
A switching mechanism comprising a housing, a spring, first and second movable contacts mechanically attached to the spring, first and second substantially fixed contacts attached to the housing, and an actuator is provided. The spring comprises first and...
09/30/1997
5566819Push button switch with over center bridge
A resilient bridge of a snap-action switch is normally held in an unactuated position by virtue of one end portion of the bridge bearing against a lobe formed integrally with a manually actuatable and linearly movable plunger. When the plunger is manually...
10/22/1996
5545864Push switch
A push button switch (3) encounters, during a stroke of a push rod (6) thereof, a pressure point (D), a switching (contact-making) movement, and a return tension. A one-piece spring element (16) is provided for achieving this with an uncomplicated structu...
08/13/1996
5488213Low-profile keyboard key
A key switch which is particularly suitable for low profile keyboards includes a plunger whose contacting movement is converted by means of trigger cams into a movement perpendicularly to the plunger movement for switching a contactor which is movable rel...
01/30/1996
5448032Contact unit for a switch
A contact unit for a switch comprises: a wafer comprising a first terminal, a second terminal separated from the first terminal, and a fixed contact having the shape of a spring metal clip and electrically connected to the first terminal; an elastic movab...
09/05/1995
5061094Keyboard for typewriters, printers or the like
In a keyboard for typewriters, printers or the like, where a contact bearing film is disposed underneath the keys, there is provided for achieving a cost-efficient arrangement, while avoiding the use of separate restoring springs, that the contact bearing...
10/29/1991
4987681Hand held cordless grass/weed trimmer
A hand-held cordless grass/weed trimmer having a plurality of detachable hub assemblies holding the cutting element by compression, and a rake-like guard member for the rotating cutting element which prevents large size obstacles from entering into the cu...
01/29/1991
4782313Transmission line shorting switch
A switch arrangement for interrupting signal flow on a microstrip transmission line includes an electromagnetically actuated conductive plunger extending through a hole in the dielectric plate on which the microstrip is formed. The strip conductor end adj...
11/01/1988
4760225Push button switch having a frame member for preventing solder penetration of switch contacts
A push button switch includes a case consisting of an upper case member and a lower case member, a stem vertically movably provided in the case, and a switch element for effecting on-and-off operation of the switch by vertical movement of the stem. A hold...
07/26/1988
4736081Mechanically operated electric pulse switch and anti-tie down control circuit using the same
An alternate or push-push switch mechanism effects movement of a contact actuator (28) from one stable position to another stable position upon a single depression of a pushbutton operator (34,38,40,42,44). Actuator movement causes a spring loaded plunger...
04/05/1988
4723195Assembly including a modular electrical circuit and connector
The assembly comprises a casing and a PC-Board in sheet form arranged therein, having a comb-spring and projecting freely into a recess of the wall of the casing. The lower face of the PC-board is furnished with a set of conductive pathways leading to mic...
02/02/1988
4700031Trigger and switch assembly
An interchangeable switching system for an electrical device includes a trigger, first and second electrical contacts, and first and second interchangeable housings for mountably receiving the trigger and the contacts. The trigger has first and second cam...
10/13/1987
4605830Cammed wire snap switch
A snap acting electrical switch in which a frame carries first, second and third wireform contacts and a plunger movable along a first axis. The first and second wireform contacts are biased together along a second axis transverse to the first axis, and a...
08/12/1986
4529849Push-button switch and a keyboard comprising the same
A novel stroke converting mechanism for a push-button switch is disclosed. The stroke converting mechanism is for providing a push-button switch or a keyboard comprising the push-button switches with features such as low cost, low profile, and light and c...
07/16/1985
4496803Data entry switch
A new and improved switch incorporating an integral contact and return spring element for use in data entry keyboards is disclosed. The unitary contact and return spring element includes a spring member and a contact member. At rest, only the spring membe...
01/29/1985
4480937Breakaway leafspring actuated keyswitch apparatus
A keyswitch apparatus for electronic typewriter keyboards and the like including a circuit board having at least one pair of electrical conductors, each conductor having contact means, at least one single-piece spring and contact system, each including a ...
11/06/1984
4429201Electrical switch having a reciprocating wiping actuator
A switch including a housing in which a pair of electrical contacts are positioned for movement between open and closed positions. An actuator movably mounted in the housing moves between contacts open and contacts closed positions. The actuator includes ...
01/31/1984
4427006Electrosurgical instruments
An electrosurgical instrument for providing an interface between an electrosurgical electrode and an electrosurgical generator and for selectively providing electrical energy to the electrode for cutting, coagulation and the like, is provided. A hollow ha...
01/24/1984
4398170Switch assembly for variable resistor
In a multistage variable resistor consisting of rotary variable resistors stacked in a plurality of stages, the rod thereof being slideable in rotary and axial directions; a switch assembly for a multistage variable resistor having the central part of a d...
08/09/1983
4361743Lost motion keyswitch
A hollow plunger is slidable vertically in a housing that has an open upper end, but its upward travel is limited to a predetermined elevated position, in which the lower end of the plunger body is spaced above the housing's bottom wall that holds a pair ...
11/30/1982
4359614Miniature two-level pushbutton switch
A miniature, two-level pushbutton switch comprises a base for mounting a plurality of relatively movable electrical contacts and a plurality of relatively fixed electrical terminals. The base includes at least one support surface for supporting the contac...
11/16/1982
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