Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7372356 | Concealed adjustable temperature switch A concealed adjustable temperature switch includes a fixed plate, an adjusting block threadedly engaged with a screw hole of the fixed plate, a bimetal plate, and a metal plate. Mounted on the adjusting block are upper and lower positioning rings and a fixing ring b... | 05/13/2008 |
| 7312420 | Switching device and system A heating assembly for a printing device includes a heating device configured to be energized or deenergized. A switching device includes a bimetallic element efficiently thermally coupled to the heating device and configured to deenergize the heating device in a de... | 12/25/2007 |
| 7230516 | Circuit breaker A circuit breaker includes a body having a neck member integrally connected thereto. A flange extends from an inner periphery of the neck member and a recess is defined in an inner periphery of the flange. Two terminals are connected to the body and a bi-metallic pl... | 06/12/2007 |
| 6762668 | Laser adjusted set-point of bimetallic thermal disc A thermal switch having a thermally, responsive bimetallic member that exhibits a snap-action response and a pair of relatively movable contacts positioned relative to the thermally responsive bimetallic member such that the thermally responsive bimetallic member is... | 07/13/2004 |
| 6661329 | Adjustable thermal trip assembly for a circuit breaker The circuit breaker current/time characteristic value at which the bimetal in a thermal trip assembly actuates a trip mechanism is adjusted by an adjustable coupler that includes first and second pivoted members separately rotatable about a common pivot a... | 12/09/2003 |
| 6580351 | Laser adjusted set-point of bimetallic thermal disc A method for post-fabrication modification of the snap actuation properties of a thermally responsive bimetallic actuator by exposing a pre-formed bimetallic actuator to laser energy, thereby permanently altering the thermal response properties of the bim... | 06/17/2003 |
| 6552645 | Bimetallic actuator for electronic components and other devices A calibrated bimetallic actuator has contoured areas having either raised or recessed generally annular shaped forms about the locations thereon where the actuator is affixed in assembled position on associated electronic components or other devices or wh... | 04/22/2003 |
| 6459355 | Thermal overload relay A thermal overload relay includes an inversion operation mechanism that is driven by a releasing lever to open or close a contact. The inversion operation mechanism includes a movable plate supported at one end so as to be inverted, and a tension spring f... | 10/01/2002 |
| 6353526 | Circuit breaker having selected ambient temperature sensitivity A circuit breaker (10) is shown having a movable electrical contact (36) adapted to move into and out of engagement with a stationary electrical contact (38, 40). A current carrying thermostatic trip member (42) has a portion movable in response to change... | 03/05/2002 |
| 6229426 | Circuit breaker having selected ambient temperature sensitivity A circuit breaker (10) is shown having a movable electrical contact (36) adapted to move into and out of engagement with a stationary electrical contact (38, 40). A current carrying thermostatic trip member (42) has a portion movable in response to change... | 05/08/2001 |
| 5986535 | Low cost thermostat apparatus and method for calibrating same A low cost thermostatic switch (10) has first and second scoop shaped terminal members (12, 14) having flanges (12e, 14e) received on ledges (20f) formed on opposed sidewalls (20e) of a housing (20). The terminal members are spaced apart with the distal e... | 11/16/1999 |
| 5257001 | Device for adjusting the bimetal blade of a circuit breaker A circuit breaker comprises a connector (17) connected to a bimetal blade (1) having an adjustable inclination. An end of the bimetal blade is embedded in an isolating axle (2) parallel to the plane of the bimetal blade (1), the position in rotation of th... | 10/26/1993 |
| 5237303 | Device for controlling an ambient influence on equipment An apparatus (1) for compensating the maladjustment of a power control means (2) by changes to the ambient temperature operates at least on a partial path against the flat spring (31) of a correcting device (30), after which at least part of the ambient t... | 08/17/1993 |
| 5191310 | Adjustable cycling switch for electric range A thermally responsive load cycling switch assembly user adjustable for varying the time of cycling current to load connecting terminals and having a contact blade cantilevered from an insulator block pivoted in the switch housing. A bimetal blade actuato... | 03/02/1993 |
| 4990882 | Push-button actuated overload protection switch A push button actuated excess current protection switch, particularly an on-board electrical system protection switch with manual actuation and bimetal controlled automatic tripping includes a switch latch (7) actuated by the push button (41) and a bimeta... | 02/05/1991 |
| 4891621 | Ambient compensator for thermal overload relay A one piece member rests against a cam surface at a first end and against an adjustable pivot at a second end, biased thereagainst by an integral cantilever spring of said member, the distal end of which is interlocked in a deflected position to a hook fo... | 01/02/1990 |
| 4829279 | Electric switching device, operable for power control An electric switching device (1) in the form of a timed power control device with an appliance switch (6) operated by a heated thermobimetal (15) and in the form of a snap switch has an adjusting device (39) for modifying the distance between the opposite... | 05/09/1989 |
| 4720696 | Bimetallic thermostat with dual control A bimetallic thermostat with dual temperature control has a first male/female screw unit, one of the elements of which is secured to the thermostat's supporting structure and the other to one of the elements of a second male/female screw unit the other el... | 01/19/1988 |
| 4704593 | Circuit breaker with adjustable thermal mechanism A circuit breaker having means for varying the thermal rating characterized by a circuit breaker mechanism including a releasable cradle for automatically tripping contacts to an open position in response to overload current conditions. A trip bar movable... | 11/03/1987 |
| 4642598 | Adjusting device for thermal overload relay A thermal overload relay of the type which uses a shifter to transmit thermal bending of the main bimetallic element to one end of the temperature compensating bimetallic element which is connected to a release lever which controls the closing of the rela... | 02/10/1987 |
| 4642597 | Overcurrent relay An overcurrent relay comprises a housing having an external portion, an overcurrent responsive mechanism, disposed within the housing, for opening or closing a pair of contacts in response to an overcurrent, an adjusting screw device for adjusting the ope... | 02/10/1987 |
| 4510481 | Snap action type thermally responsive switching structure A snap action type thermally responsive switch comprising a fixed contact secured to a stationary frame, a rectangular thermally responsive plate having a central dish-shaped portion and being secured at one lengthwise end to the stationary frame and carr... | 04/09/1985 |
| 4310822 | Temperature control device for aquarium heater A temperature control device for use with an aquarium heater, including a control housing, a first contact fastened to the control housing, a second contact responsive to the temperature responsive movement of a bimetallic strip maintained at the control ... | 01/12/1982 |
| 4023132 | Electrical circuit breakers An electric circuit breaker or overload protection apparatus includes a thermal element which, on being heated by a fault current, is deflected to initiate a circuit-breaking tripping of the apparatus. A supporting mechanism for varying the rating of the ... | 05/10/1977 |
| 4001752 | Calibrating adjustment of thermostat A thermostat includes a base plate supporting a switch and an ambient temperature sensing bimetal that actuates the switch. A set-point adjusting cam cooperates with the bimetal. An internally threaded bushing is supported upright on the base plate and is... | 01/04/1977 |
| 3975701 | Circuit breaker with one-way adjustment of tripping current level A molded case circuit breaker having a solid-state trip unit adjustable over a variety of ratings. One-way adjustment is provided, permitting a reduction in the rating of the circuit breaker and preventing an increase in the rating. A ratchet mechanism an... | 08/17/1976 |
| 3943477 | Electrical circuit breakers An electrical circuit breaker having a thermal element which on being heated by fault current trips the breaker, and including an adjustable member to vary the action of the thermal element thereby to vary the rating of the breaker, said adjustable member... | 03/09/1976 |
