序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
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.
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