181 |
Alarm for incubators. |
US1905259224 |
1905-05-06 |
US810931A |
1906-01-30 |
FREEMAN WILLARD S |
|
182 |
Electric-motor-controller regulator. |
US1905265215 |
1905-06-14 |
US810240A |
1906-01-16 |
WEYAND PAUL A |
|
183 |
Controller for electric cars. |
US1905250135 |
1905-03-15 |
US803020A |
1905-10-31 |
ROCHE FRANCIS A; ROCHE FRANCIS J |
|
184 |
Controller-regulator. |
US1902206578 |
1902-07-23 |
US800909A |
1905-10-03 |
EBERSOLE CYRUS P |
|
185 |
Controller for electric motors. |
US1904217609 |
1904-07-22 |
US798190A |
1905-08-29 |
LAIRD GEORGE; TODD JOHN PERCIVAL |
|
186 |
Controller. |
US1904228608 |
1904-10-15 |
US778643A |
1904-12-27 |
DURKIN JOHN P |
|
187 |
Automatic signaling apparatus for incubators or hothouses |
US752431D |
|
US752431A |
1904-02-16 |
|
|
188 |
Latch for controller-handles. |
US1902102528 |
1902-04-12 |
US713858A |
1902-11-18 |
COREY FRED B |
|
189 |
Controller-handle. |
US1901049130 |
1901-02-27 |
US684332A |
1901-10-08 |
WILDT EDWARD A |
|
190 |
Electrical controller attachment. |
US1901056527 |
1901-04-19 |
US681167A |
1901-08-20 |
FAIRBROTHER GUY L |
|
191 |
allen |
US627471D |
|
US627471A |
1899-06-27 |
|
|
192 |
Mechanism for controlling the |
US467297D |
|
US467297A |
1892-01-19 |
|
|
193 |
3-WAY DISCONNECTOR AND EARTH SWITCH FOR GAS INSULATED SWITCHGEAR |
US15462724 |
2017-03-17 |
US20180197709A1 |
2018-07-12 |
Ruiqiang LIU |
The 3-way disconnector and an earth switch for a gas insulated switchgear includes: a movable portion including a disconnector movable portion and an earth switch movable portion; a disconnector mover and an earth switch mover installed in the disconnector movable portion and the earth switch movable portion so as to be linearly movable; a driving lever rotatably installed between the disconnector mover and the earth switch mover; and a first lever and a second lever rotated by receiving a rotational force of the driving lever, and configured to move the disconnector mover and the earth switch mover, respectively, wherein a driver is protruded at one side of the driving lever, and a driving pin is provided at an end of the driver, and wherein the driving pin is configured to selectively move one of the first and second levers. |
194 |
ELECTRICAL SWITCH UNIT FOR AN ELECTRICAL DEVICE |
US15697734 |
2017-09-07 |
US20180096813A1 |
2018-04-05 |
Wai Man Wong |
An electrical switch unit for use in an electrical device to control flow of electrical current therethrough from a power source to power the electrical device, the electrical switch unit comprising: a fixed electrical contact and a movable electrical contact, said movable electrical contact being configured for movement relative to the fixed electrical contact between an ON position in which the movable electrical contact is in contact with the fixed electrical contact wherein electrical current is able to flow from the power source therethrough to power the electrical device, and, an OFF position in which the movable electrical contact is out of contact with the fixed electrical contact wherein electrical current from the power source is not able to flow from the power source therethrough to power the electrical device; a contact mover movably coupled to a terminal member, the contact mover being configured for movement relative to the terminal member so as to move the movable electrical contact between the ON position and the OFF position; and a biasing member coupling the contact mover and the terminal member together such that said biasing member is configured to act upon the contact mover as the contact mover moves the movable electrical contact relative to the fixed electrical contact between the ON position and the OFF position; wherein when the movable electrical contact is arranged in the ON position, electrical current is able to flow along an electrical current path comprising the terminal member, the contact mover and the movable electrical contact in series, and, wherein an electrical insulation member is arranged in series with the biasing member between the contact mover and the terminal member whereby said electrical insulation member electrically insulates the biasing member from electrical current flow therethrough when the movable electrical contact is arranged in the ON position. |
195 |
DISCONNECTING SWITCH AND EARTHING SWITCH FOR GAS INSULATED SWITCHGEAR |
US15323164 |
2015-06-12 |
US20170236657A1 |
2017-08-17 |
Dong-Min Kim |
Disclosed are a disconnecting switch and an earthing switch for a gas insulated switchgear capable of implementing three positions by a single operator and may have a stable interpolarity contact.According to the present invention, the size of a gas-insulated switchgear may be reduced by operating a disconnecting switch and an earthing switch by a single operator, and implementing three positions. |
196 |
ELECTRICAL SWITCHING APPARATUS AND CONTACT ASSEMBLY THEREFOR |
US15415090 |
2017-01-25 |
US20170194117A1 |
2017-07-06 |
JEFFREY SCOTT GIBSON |
A contact assembly is for an electrical switching apparatus having a housing. The contact assembly includes a movable arm having a movable contact, and an extension apparatus structured to be disposed on the housing. The extension apparatus includes a U-shaped link member having a first leg, a second leg, and a middle portion connecting the first leg to the second leg. The first leg at least partially extends into the movable arm. The second leg is structured to be disposed on the housing. |
197 |
CIRCUIT BREAKERS WITH HANDLE BEARING PINS |
US15446668 |
2017-03-01 |
US20170178853A1 |
2017-06-22 |
James Gerard Maloney; Daniel Quentin Gates |
Circuit breakers with handles having at least one handle bearing pin that contacts an upper end portion of a moving arm and allows the arm to rotate to “OFF”, “ON” and “TRIP” positions, typically about 90 degrees of rotation. |
198 |
ACTUATOR FOR A VACUUM SWITCH TUBE OF A SWITCHING ASSEMBLY OF A TAP CHANGER |
US15115353 |
2015-02-18 |
US20170004943A1 |
2017-01-05 |
Klaus HOEPFL; Stefan HEROLD |
An actuator (10) for actuating a vacuum switch tube (11) comprising a fixed contact (12) and a movable contact (13), comprises a bearing plate (14) that can be fastened to the fixed contact (12); a main spring (15) having a first end (151) with which it can engage the movable contact, and a second end (152); a return spring (16) having a first end (161) with which it engages at the bearing plate, and a second end (162); an actuating lever (17) having a first engagement area (171) at which the main spring (15) engages with its second end (152), and having a second engagement area (172) at which the return spring (16) engages with its second end (162); wherein the actuating lever (17) is swivelably mounted on the bearing plate (14) such that the actuating lever (17) can assume a first end position in which the main spring (15) is at least partially relaxed and the return spring (16) is tensioned and in which, in particular, the movable contact (13) is disconnected from the fixed contact (14), and a second end position in which the return spring (16) is at least partially relaxed and the main spring (15) is tensioned and in which, in particular, the movable contact (13) is pressed against the fixed contact (14). |
199 |
MANUAL OPERATION DEVICE FOR LOW VOLTAGE SWITCHING APPARATUS |
US14901573 |
2014-06-27 |
US20160372280A1 |
2016-12-22 |
Mi Zhou; Di Shen; Anshun You; Degang Qu; Zhen Li |
The present invention discloses a manual operation device for low voltage switching apparatus. An operating handle is provided with a fixing groove. The fixing groove is matched with a second fixing plate, the second fixing plate is placed in the fixing groove. A reset torsion spring is arranged between the second fixing plate and the fixing groove. A pawl is rotatably mounted on the second fixing plate through a fixing pin, the pawl rotates about the fixing pin. One end of a first reset spring is connected to the top end of the pawl, the other end of the first reset spring is connected to the operating handle. The operating handle is mounted on a mounting shaft of an operating mechanism of the low voltage switching apparatus. A mounting plate is provided with a rotation shaft, the rotation shaft is the rotation shaft of an energy storage mechanism of the low voltage switching apparatus. The mounting shaft and the rotation shaft are not concentric. A ratchet wheel is rotatably mounted on the rotation shaft, the bottom end of the pawl is engaged with an intertooth position of the ratchet wheel. A stop detent is provided on the bottom of the mounting plate, the stop detent is rotatably mounted on the mounting plate. The top end of the stop detent is engaged with an intertooth position of the ratchet wheel. One end of a second reset spring is connected to the bottom end of the stop detent, the other end of the second reset spring is fixed on the mounting plate. |
200 |
Switch |
US14342716 |
2012-03-15 |
US09281137B2 |
2016-03-08 |
Takeshi Arihara; Masaru Morimoto; Tomoyuki Washizu; Yutaka Okayasu |
A switch has a base having a frame portion disposed integrally with an outer peripheral portion of an upper surface of the base, a common fixed contact disposed at a corner of inside surfaces of the frame portion, and a fixed contact disposed on an inside surface of the base opposite to the common fixed contact, a spring member having elastic arm portions extending respectively from both ends of a bellows-like spring portion, wherein a free end portion of one of the elastic arm portions serves as a sliding movable contact, wherein a free end portion of another of the elastic arm portions serves as a rotationally movable contact, and wherein the rotationally movable contact is positioned so as to be in contact with the common fixed contact of the base, and an operation lever including an operation rib. |