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Class 200/38C - Drum or pattern surface actuated


Subclass of Class 200 - Electricity: circuit makers and breakers
No. of patents: 48
Last issue date: 06/22/2004


1    
NumberTitleIssue Date
6753486Electronic device switch
An electronic device switch has switch patterns formed in positions close to a peripheral edge on a surface of a circuit board. A power source pattern is formed on a side surface of the circuit board. A terminal has a fixing leg, a connection leg disposed in contact...
06/22/2004
6483052Electromechanical appliance programmer/timer
A programmer/timer having a cam disk that includes concentric cam tracks having multiple working heights formed on one face thereof. The programmer/timer further includes a plate assembly that includes multiple cam followers for engaging cam disk and a pl...
11/19/2002
6354172Mechanical timer mechanism for valve control
A mechanical timer to control multiple steps of a process comprising a first cam having a shaft, and a second cam having a shaft, wherein the shaft on the first cam extends into the shaft of the second cam. The rotational relationship between the first an...
03/12/2002
6011325Rotary switch with redundant contacts
A rotary switch for providing deicing power to the heaters of a helicopter rotor includes a conductive rotor with conductive protrusions located thereon. Conductive fingers are arranged such that a pair of conductive fingers are in electrical communicatio...
01/04/2000
5736699Elecro-mechanical programmer/timer
The present invention provides an electro-mechanical programmer/timer having a plurality of switches actuated by a rotating program cam with each of the switches tracking a separate cam track on the cam. The program cam is indexed by a pawl which engages ...
04/07/1998
5652418Cam-operated timer subinterval switch
An appliance timer has features to facilitate automated assembly or manual assembly. A timer housing base accepts timer components from two directions, and installation of components in either direction is along a straight axis. A motor in the timer engag...
07/29/1997
5389750Torque limiting drive and programmer/timer employing same
A torque limiting drive and programmer/timer using same. A motor drives a driving member which has drive lugs engaging the central web of a plural-armed wave spring. The wave spring arms frictionally engaged radially oppositely facing annular friction sur...
02/14/1995
5290978Programmer/timer with rapid advance
An electromechanical appliance programmer has a cam drum indexed by primary advance motor drive for sequentially operating plural appliance function switches. The cam shaft is axially slidable by user actuation and moves an annular cam ring for moving a s...
03/01/1994
5182461Switching mechanism for appliance controller
A programmer for controlling the actuation and deactuation of a plurality of load function switches. A motorized cam drum track moves a follower pivoted about a fulcrum pin. A solenoid controlled by a microcomputer slidably moves a bar operable to selecti...
01/26/1993
5170022Electromechanical programmer with smooth program preselection
A electromechanical programmer with smooth program preselection having a rotating main cam unit for executing several operating programs, a first cam for allowing step passage with the main cam unit driven in rotation by a micromotor through a speed reduc...
12/08/1992
5138120Timing mechanism with a PTC thermistor
A timing mechanism has cams operating switches which control the functions of an appliance and another cam operating another switch supplying short pulses to a separate function such as a warning buzzer. A PTC thermistor is in series with the switch suppl...
08/11/1992
4980523Appliance programmer/timer with bi-directional drive
A programmer for an appliance having a single timing motor drive for a rotating cam drum which actuates plural appliance program function switches. An advance pawl drives the cam drum in one direction when selectively engaged with a toothed wheel on the d...
12/25/1990
4965859Electromechanical timer with improved bussing retention
An electromechanical timer includes a motor-driven cam, and electrical switches responsive to the cam supported in a housing. An array of rows and columns of electrical terminals are connected to the switches and extend from one end of the housing. First ...
10/23/1990
4959512Appliance timer with improved terminal assembly
An appliance timer includes a motor-driven cam, a plurality of electrical switches responsive to the cam, and a plurality of electrical terminals electrically connected to the switches, all of which are supported in a housing. The terminals are arranged o...
09/25/1990
4948928Push/push reset programmer
An electromechanical programmer having a user push-push reset action on the shaft of a rotary cam drum for actuating plural appliance function switches. Successive user push movements alternately latch and release the shaft between first and second axial ...
08/14/1990
4945196Providing a programmer/timer with dual rate drive
A programmer/timer for an appliance of the type having a rotatable cam drum advanced for sequential actuation and deactuation of a plurality of electrical switches. The drum is advanced or indexed intermittently by an oscillating advance pawl engaging a r...
07/31/1990
4892982Timing mechanism with improved clutch assembly
A clutch assembly permits a manual setting of a timing mechanism camstack by an appliance operator and at the same time insures that the camstack cannot be manually set during the time that electrical power is being supplied to the timing mechanism. The a...
01/09/1990
4892983Programmer/timer with combined line and program function switch
A combination programmer and line switch for an appliance having a rotary program cam and a timing motor connected for advancing the cam. An upper line power contact blade is moved between high and low positions by a manual actuator. A lower contact blade...
01/09/1990
4856096Providing a programmer/timer with dual rate drive
A programmer/timer for an appliance of the type having a rotatable cam drum advanced for sequential actuation and deactuation of a plurality of electrical switches. The drum is advanced or indexed intermittently by an oscillating advance pawl engaging a r...
08/08/1989
4849588Motor-driven time switch
A motor-driven time switch is disclosed which comprises a time switch mechanism having a time setting cam, leaf spring contacts forming a switching unit operated by the time setting cam, and terminals for connecting the leaf spring contacts to external eq...
07/18/1989
4814556Camstack and switch assembly and timer utilizing same
The hub of a camstack is in the shape of a cone. There are ribs carried on the cone surface with the ribs having cam surfaces that are substantially parallel to the cone surface. The camstack is particularly adaptable for actuating a plurality of individu...
03/21/1989
4796484Shaft detent assembly for a timing mechanism
A timing mechanism comprising a camstack having a hollow hub rotatably mounted between support plates, electrical switches actuated by the camstack as it rotates, a bearing having a bore in it and rotatably journalled in one of the support plates, and a s...
01/10/1989
4797515Switch timing mechanism with serrated camstack
A plastic cylindrical camstack has different inside diameters. This leads to the problems of maintaining concentricity and elimination of excessive warpage during molding of the plastic. These problems have been substantially overcome by removing selected...
01/10/1989
4789761Appliance timer
A motor assembly having a field plate and a gear train mounted on at least one face of the field plate. The field plate defines an aperture which, in turn, defines a plurality of field poles for a rotor mounted in the aperture. A field coil is wound about...
12/06/1988
4687886CAM activated printed circuit board multicircuit electrical switch
A cam activated electrical switching means for an elastic multicircuit printed circuit board (PCB). A plurality of PCB reeds with disattached portions at one end nearest the edge of the PCB are cut out in the generally central portion of the PCB, and an e...
08/18/1987
4636595Timer and motor assembly
A timer housing has a single compartment. The cams and electrical switches, that are responsive to the cams, are carried in the compartment as well as the motor that drives the cams without any physical electrical barrier separating them. Electrical bussi...
01/13/1987
4604504Timer blade arrangement
There are three spring blades held in working relationship to a camstack which provide the making of two different and distinct circuits simultaneously by substantially simultaneously closing electrical contacts carried by the blade. Of the three blades a...
08/05/1986
4575594Timing mechanism
A motor driven rotatable camstack includes at least two cams. A V-shaped electrical terminal blade spans the two cams. Each leg of the V-shaped electrical terminal includes a cam follower which individually engages one of the cams. Two individual spring e...
03/11/1986
4560846Increased capacity program timer
A program timer wherein a single three blade switch assembly is utilized for both the line switching function and a cam track operated switch....
12/24/1985
4549154Magnetically retentive programmable switching control device
A switching control device having a plurality of displaceable fingers programmable for controlling a sequence of switching operations in a time-controlled system has a magnetic element for exerting a magnetically retentive force on displaced fingers to ho...
10/22/1985
4531028Timer with improved switch blade arrangement
Switches are fixed relative to a camstack for cam actuation and include two individual blades the free ends of which are biased toward the camstack. One of the blades engages the cams to actuate it relative to the other. The free end of the other blade ri...
07/23/1985
4517426Electrical bussing for a switch arm connector block
A switch arm connector block for mounting a plurality of spring switchblades in a predetermined array for sequential cooperation with a timer cam and for providing a quick-disconnect connector for electrically connecting the blades to a wiring harness is ...
05/14/1985
4484040Drive means for a timing mechanism
Rotation of a cam means of a timing mechanism is provided by two sets of axially aligned ratchet teeth having different major diameters and a drive pawl selectively engaging the two sets of teeth. A masking means provides a predetermined point at which th...
11/20/1984
4467664Timer drive mechanism
The timing cam is advanced for switching purposes by the large reciprocating pawl acting on the ratchet teeth molded on the timing cam. When the program requires a timed period during which conditions remain the same the ratchet teeth are spaced so the pa...
08/28/1984
4442326Drive means for a timing mechanism
Rotation of a cam means of a timing mechanism is provided by three sets of axially aligned ratchet teeth having different major and minor diameters and a drive pawl selectively engaging the three sets of teeth. The arrangement provides a means to delay the act...
04/10/1984
4413164Timer with manual means for disabling a switch
The rotating program drum of the timer operates the timer switches in a predetermined sequence. One or more timer switches can be disabled to omit the function of the switch. Means are rotatably mounted in the frame to move a passive switch blade away fro...
11/01/1983
4412110Timer clutch
When the axially movable shaft mounted in the hub of a program cam drum is moved inwardly a pin loosely mounted in a cross hole on the shaft will move into engagement with teeth on a drive sleeve mounted between the shaft and the drum hub while a washer f...
10/25/1983
4381433Drive means for a timing mechanism
Rotation of a cam means of a timing mechanism is provided by three sets of axially aligned ratchet teeth having different major and minor diameters and a drive pawl selectively engaging the three sets of teeth. The arrangement provides a means to delay the act...
04/26/1983
4355217Switch inhibitor for timers
An electromechanical timer arrangement includes a rotatable cam having a cam surface for actuating an associated switch. An inhibit member is movable between an active position and an idle position. In its active position, the member engages the switch an...
10/19/1982
4161679Cam program controller systems
A cam program controlled system providing a continuous set point signal representing a time function relationship using an impulse or stepping drive motor. The drive motor impulses are electronically derived; and therefore, the system's time base or speed...
07/17/1979
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