Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Castonguay; Roger N.
Address:
Terryville, CT
No. of patents:
162
Patents:


1 2 3 4










Patent Number Title Of Patent Date Issued
6853277 Auxiliary magnetic trip system February 8, 2005
An auxiliary magnetic trip system for a circuit breaker, the auxiliary magnetic trip system includes a strap configured to conduct a first level of electrical current and a second level of electrical current; a u-shape collar with a first pole face, the u-shape collar disposed around the
6700467 Circuit interrupter operating mechanism March 2, 2004
An operating mechanism controls and trips a separable contact structure arranged in a protected circuit. The mechanism includes a frame, a drive member pivotally coupled to the frame, a spring pivotally connecting the drive member to a drive connector, an upper link pivotally seated on t
6639168 Energy absorbing contact arm stop October 28, 2003
A circuit breaker cassette comprises a housing having a fixed contact, and a movable contact on a contact arm. The contact arm is positionable in a closed position and an open position, wherein the contact arm is closed when the movable contact is in contact with said fixed contact. A sp
6590482 Circuit breaker mechanism tripping cam July 8, 2003
A circuit breaker operating mechanism for separating a pair of electrical contacts within an electrical circuit breaker includes a lower link operatively connected to one of the electrical contacts. An upper link includes first and second legs extending from a central portion. The first
6507256 Auxiliary magnetic trip system January 14, 2003
An auxiliary magnetic trip system for a circuit breaker, the auxiliary magnetic trip system includes a strap configured to conduct a first level of electrical current and a second level of electrical current; a u-shape collar with a first pole face, the u-shape collar disposed around the
6479774 High energy closing mechanism for circuit breakers November 12, 2002
A circuit breaker operating mechanism comprises a movable handle yoke, a mechanism spring extending in tension from the handle yoke to a pin, and a lower link extending from the pin to a crank operably connected to a contact arm bearing a movable contact. The crank is positionable in ope
6476337 Auxiliary switch actuation arrangement November 5, 2002
An auxiliary switch activation mechanism is provided for use with a circuit breaker having an auxiliary switch and an operating mechanism for opening and closing main electrical contacts. The auxiliary switch activation mechanism includes a lever having a first end removably connectable
6466117 Circuit interrupter operating mechanism October 15, 2002
An operating mechanism controls and trips a separable contact structure arranged in a protected circuit. The mechanism includes a frame, a drive member pivotally coupled to the frame, a spring pivotally connecting the drive member to a drive connector, an upper link pivotally seated on t
6459059 Return spring for a circuit interrupter operating mechanism October 1, 2002
A return spring mechanism is arranged to operate with a circuit breaker operating mechanism during a trip condition. The circuit breaker operating mechanism is movable between a tripped position, a reset position, an off position and an on position. The return spring mechanism is attache
6448521 Blocking apparatus for circuit breaker contact structure September 10, 2002
A blocking apparatus for blocking a contact structure from closing in a circuit breaker is provided. The apparatus includes a link extending from the circuit breaker and connected to a movable contact arm. The contact structure, being operated by an operating mechanism, remains in a
6437670 Magnetic release system for a circuit breaker August 20, 2002
A magnetic release system for a circuit breaker, the magnetic release system includes a contact structure; a strap configured to conduct a first level of electrical current and a second level of electrical current; a u-shaped collar having a pole face, the u-shaped collar disposed around
6421217 Circuit breaker accessory reset system July 16, 2002
An accessory includes a trip arm biased by a spring to pivot in a clockwise direction about a trip arm pivot. A latch is arranged to pivot about a latch pivot and has the trip arm acting on a latch surface on the latch to bias the latch in a counter clockwise direction about the latch pi
6403902 Circuit breaker bell alarm accessory having optional reset and lockout function June 11, 2002
A combination air circuit breaker bell alarm reset and lock-out accessory unit interacts with the circuit breaker closing system to prevent charging of the circuit breaker closing spring until and unless the bell alarm module has been manually reset in one option and allows automatic res
6400245 Draw out interlock for circuit breakers June 4, 2002
A draw out interlock mechanism comprises a draw out trip arm pivotally attached in a draw out circuit breaker and an interlock activating assembly attached to a the draw out circuit breaker. The draw out trip arm comprises a first extension on a first end and a second extension on a
6388547 Circuit interrupter operating mechanism May 14, 2002
An operating mechanism controls and trips a separable contact structure arranged in a protected circuit. The mechanism includes a frame, a drive member pivotally coupled to the frame, a spring pivotally connecting the drive member to a drive connector, an upper link pivotally seated on t
6379196 Terminal connector for a circuit breaker April 30, 2002
A termination connector for a circuit breaker is disclosed. The termination connector preferably includes a plurality of single pole screw receiving members integrally attached by a molded housing for unitary attachment to a line or load end of a circuit breaker to assist in holding a nu
6346868 Circuit interrupter operating mechanism February 12, 2002
An operating mechanism controls and trips a separable contact structure arranged in a protected circuit. The mechanism includes a frame, a drive member pivotally coupled to the frame, a spring pivotally connecting the drive member to a drive connector, an upper link pivotally seated on t
6340925 Circuit breaker mechanism tripping cam January 22, 2002
A circuit breaker operating mechanism for separating a pair of electrical contacts within an electrical circuit breaker includes a lower link operatively connected to one of the electrical contacts. An upper link includes first and second legs extending from a central portion. The first
6281458 Circuit breaker auxiliary magnetic trip unit with pressure sensitive release August 28, 2001
An auxiliary magnetic trip unit for a circuit breaker arranged on the load strap of an industrial-rated circuit breaker to interrupt circuit current upon occurrence of a high-level short circuit fault. The magnetic trip unit employs a magnet yoke, an armature, a trip lever for interactin
6259048 Rotary contact assembly for high ampere-rated circuit breakers July 10, 2001
A circuit breaker rotary contact assembly employs a common pivot between the rotor assembly and the rotary contact arm. A pair of off-center expansion springs directly engage the rotor at one end and engage the rotary contact arm via a linkage arrangement at an opposite end thereof.
6242703 Bell alarm with automatic reset for small frame air circuit breaker June 5, 2001
An air circuit breaker bell alarm accessory interacts with the circuit breaker closing system to allow automatic resetting of the bell alarm module upon resetting of the circuit breaker operating mechanism. A lockout slide extends between the bell alarm module support and the bell al
6232859 Auxiliary switch mounting configuration for use in a molded case circuit breaker May 15, 2001
A molded case circuit breaker assembly using auxiliary switches to perform indication and control functions. The circuit breaker assembly having at least one pole comprising a stationary and a moveable contact where the moveable contact is connected to a moveable contact arm which is act
6211758 Circuit breaker accessory gap control mechanism April 3, 2001
An accessory for use within a circuit breaker is provided. The accessory includes an actuator having a movable member, a trip member and a link between the movable member and the trip member. The trip member is configured by including a seat portion that allows for a set gap between
6211757 Fast acting high force trip actuator April 3, 2001
A trip actuator (66) includes a trip spring (106) to bias the trip arm (104) in a clockwise direction about trip arm pivot (120). In the latched and ready to operate state, the clockwise moment about the axis of the latch pivot (132) created by force "F" opposes the counterclockwise mome
6175288 Supplemental trip unit for rotary circuit interrupters January 16, 2001
A supplemental magnetic trip unit is arranged on the load strap of an industrial-rated circuit breaker to interrupt circuit current upon occurrence of a short circuit fault. The trip unit employs a U-shaped magnet and a hinged armature that articulates the circuit breaker operating m
6172584 Circuit breaker accessory reset system January 9, 2001
Compliant assembly (110) includes a reset drive (112) mechanically cooperating with a plunger link (120) having a slide interface latch (130) via an intermediate plunger reset spring (142), plunger link (120) also being proximate to plunger (84) to both accept strikage from or become in
6166344 Circuit breaker handle block December 26, 2000
A circuit breaker having a crank for coupling a switching mechanism to the contact pole structure is presented. The crank has a pair of cam surfaces which cooperate with a blocking lever to restrict movement of the operating handle when the contacts of the circuit breaker are welded. The
6130390 Contact position indicator for an industrial-rated circuit breaker October 10, 2000
A circuit breaker contact position indicator assembly includes an indicator lever that interacts with the circuit breaker contact carrier through a indicator lever bell crank and a contact arm bell crank to provide true ON and OFF indication of the circuit breaker contacts.
6114641 Rotary contact assembly for high ampere-rated circuit breakers September 5, 2000
A circuit breaker rotary contact assembly employs a common pivot between the rotor assembly and the rotary contact arm. A pair of off-center expansion springs directly engage the rotor at one end and engage the rotary contact arm via a linkage arrangement at an opposite end thereof.
6107902 Circuit breaker with visible trip indicator August 22, 2000
A circuit breaker including a housing having a window, a line terminal and a load terminal, and a circuit trip assembly. The circuit trip assembly includes a rotatable cradle, a moveable armature latch and a pivotable trip support including a trip indicator. Upon the occurrence of a trip
6100481 Circuit breaker operating handle torque compensation assembly August 8, 2000
A circuit breaker operating handle charging torque compensating module includes an operating handle lever connecting between the operating handle and a support frame by means of an extension spring to maintain a uniform force exerted by the operating handle extension spring.
6087913 Circuit breaker mechanism for a rotary contact system July 11, 2000
A rotary contact circuit breaker employs a crank to couple a switching mechanism to the rotary contact pole structure. The use of a crank allows for the mechanism and pole structure the individually optimized without effecting the performance of the other. In particular the crank allows
6087610 Closing springs release mechanism for industrial-rated circuit breaker July 11, 2000
An air circuit breaker ratcheting mechanism includes a ratchet and pawl whereby the closing springs charging gear is prevented from reverse rotation during the closing springs charging operation. Upon completion of the charging operation, the ratchet and pawl become disengaged from the
6084489 Circuit breaker rotary contact assembly locking system July 4, 2000
The circuit breaker is characterized by separable contacts operable between a closed and an open position a contact arm having a latching surface and a latch arranged to engage the latching surface when the contacts are blown-open under short-circuit conditions. The arrangement of the la
6054661 Circuit breaker bell alarm accessory with lockout function April 25, 2000
An air circuit breaker bell alarm lock-out accessory interacts with the circuit breaker closing system to prevent charging of the circuit breaker closing spring until and unless the bell alarm module has been manually reset. A lockout slide on the bell alarm module support interacts with
6037555 Rotary contact circuit breaker venting arrangement including current transformer March 14, 2000
A rotary contact circuit breaker having a venting arrangement to vent gasses operated by a short circuit interruption to a location substantially above the load strap of the breaker whereby electrical components are not damaged by the gasses and ionized gasses from different phases a
6019647 Circuit breaker line and load terminal February 1, 2000
A spring-loaded cam electrical connector is used to rapidly connect circuit breaker load terminal straps with the associated electric distribution system wire conductors. Rotation of the cam in one direction traps the end of the wire conductor between the bottom of the cam support and th
6005208 Industrial draw-out circuit breaker electrical connection indication December 21, 1999
The front cover of an industrial draw-out circuit breaker is provided with a viewing window that allows visual access to an indicator flag for the purpose of identifying the true status of the electrical power connectors and secondary test connectors extending from the rear surface of th
5986225 Circuit breaker bell alarm accessory with lock-out November 16, 1999
An air circuit breaker bell alarm accessory interacts with the circuit breaker contact position indicator to provide local and remote indication of the occurrence of a circuit interruption. A drive pin extending from the bottom of the accessory interacts with a slot on the contact positi
5981887 Contact position indicator for an industrial-rated circuit breaker November 9, 1999
A circuit breaker ON/OFF contact position indicator employs a bell crank assembly interconnecting between the target indicator at the front of the circuit breaker enclosure and the circuit breaker contact closing shaft at the rear thereof to provide accurate real time indication of the O
5960941 Circuit breaker bell alarm accessory with both automatic reset and lockout function October 5, 1999
An air circuit breaker bell alarm unit allows selection of both bell alarm accessory lock-out facility along with automatic reset function. A plunger extending from the bottom of the bell alarm accessory interacts with the circuit breaker operating components to automatically reset the b
5923261 Circuit breaker bell alarm accessory with automatic reset July 13, 1999
An air circuit breaker bell alarm accessory interacts with the circuit breaker contact position indicator to provide local and remote indication of the occurrence of a circuit interruption. A drive pin extending from the bottom of the accessory interacts with a slot on the contact positi
5910650 Manual charging mechanism for industrial-rated circuit breaker June 8, 1999
An air circuit breaker closing spring charging mechanism includes a ratchet and pawl whereby the closing spring charging gear is protected from damage due to reverse rotation of the ratchet when the charged closing springs are later released. A locking latch prevents damage to the chargi
5906271 Means of remote charge indication for high ampere-rated circuit breakers May 25, 1999
Remote indication of the charge state condition of the circuit breaker closing springs is provided by a remote indicating unit. The indicating unit interfaces with the circuit breaker closing assembly to actuate an electric switch in response to the position of the closing assembly.
5889250 Circuit breaker closing springs button interlock mechanism March 30, 1999
An air circuit breaker ratcheting mechanism includes a ratchet and pawl whereby the closing springs charging gear is prevented from reverse rotation during the closing springs charging operation. Upon completion of the charging operation, the ratchet and pawl become disengaged from the
5883351 Ratcheting mechanism for industrial-rated circuit breaker March 16, 1999
An air circuit breaker ratcheting mechanism includes a ratchet and pawl whereby the closing springs charging gear is prevented from reverse rotation during the closing springs charging operation. Upon completion of the charging operation, the ratchet and pawl become disengaged from the
5810628 Circuit breaker line and load terminal September 22, 1998
A spring-loaded cam electrical connector is used to rapidly connect circuit breaker load terminal straps with the associated electric distribution system wire conductors. Rotation of the cam in one direction traps the end of the wire conductor between the bottom of the cam support and th
5805041 Electronic trip unit conversion kit for high ampere-rated circuit breakers September 8, 1998
A field-installable circuit breaker trip actuator unit includes a flux shifter unit that interfaces with the circuit breaker operating mechanism and is installable without dismantling the circuit breaker components. The flux shifter unit responds to an electronic trip unit to articulate
5797483 Operating mechanism linkage assembly for high ampere-rated circuit breakers August 25, 1998
A circuit breaker operating mechanism interacts with the circuit breaker movable contact arm by means of an electrically-insulative linkage. Tolerance adjustments are made within the linkage without requiring an additional electrically-insulative shield.
5791457 Motor operator interface unit for high ampere-rated circuit breakers August 11, 1998
A high ampere-rated circuit breaker which meets the electrical code requirements of the world market. The charging of the powerful operating spring controlling the circuit breaker contacts is made automatically by means of an electric motor. The motor interlock arrangement prevents r
1 2 3 4










 
 
  Recently Added Patents
Method for generating optical codes for a print-context
Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication syst
Vehicle tail lamp
Flash drive
Method and apparatus for internet on-line insurance policy service
Piezoelectric device and fabricating method thereof
Comb
  Randomly Featured Patents
Floating head reaction turbine rotor with improved jet quality
Herbicidal diphenyl ethers
Liquid ejection head and image forming apparatus
Semirecumbent tandem bicycle
Antenna matching device
Image writing apparatus and record display medium
Locking device
Device for atomizing and granulating liquid slags
Polyether polyureides
Suturing instrument with dual needles and method of passing suture