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Class Information
Number: 361/606
Name: Electricity: electrical systems and devices > Housing or mounting assemblies with diverse electrical components > For electrical power distribution systems and devices > Electrical switchgear > Truck type
Description: Subject matter wherein the switchgear comprises heavy duty draw-out apparatus carried by a carriage with wheels.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7518851 |
Distribution switchgear |
Apr. 14, 2009 |
| 7485817 |
Electrical switching apparatus and adjustable mounting assembly therefor |
Feb. 3, 2009 |
| 7057123 |
Safety interlock for circuit breaker housing assembly and extraction device |
Jun. 6, 2006 |
| 6878891 |
Switchgear enclosure |
Apr. 12, 2005 |
| 6875935 |
Integrated circuit breaker levering in and hoist crank tool |
Apr. 5, 2005 |
| 6590170 |
Portable Latch |
Jul. 8, 2003 |
| 6586697 |
Transportable electrical switching assembly with high voltage circuit interrupter |
Jul. 1, 2003 |
| 6563062 |
Insertion/withdrawal mechanism for a circuit interrupter |
May. 13, 2003 |
| 6445570 |
Automatically operating interlock assembly requiring an electrical cabinet to be closed before connection of the equipment |
Sep. 3, 2002 |
| 6433998 |
Switchgear |
Aug. 13, 2002 |
| 6404620 |
Portable electrical distributing apparatus |
Jun. 11, 2002 |
| 6388869 |
Mobile generator unit with removable breaker box |
May. 14, 2002 |
| 6244891 |
Circuit breaker movement structure with snap-on draw bracket assembly |
Jun. 12, 2001 |
| 6172866 |
Truck-mounted breakers intended for high-voltage lines and a method in connection to such lines |
Jan. 9, 2001 |
| 6025983 |
Switchgear |
Feb. 15, 2000 |
| 5721406 |
Arc-resistant enclosure employing arc-quenching contact disconnect and method for avoiding arcing in the enclosure |
Feb. 24, 1998 |
| 5453587 |
Transportable remotely actuated racking device for use with high voltage industrial circuit breakers |
Sep. 26, 1995 |
| 5450280 |
Voltage transformer disconnect grounding system |
Sep. 12, 1995 |
| 5278722 |
Switchgear racking mechanism including self-retaining crank and draw-out unit position indicator |
Jan. 11, 1994 |
| 5206468 |
Locking apparatus for a drawer type circuit breaker |
Apr. 27, 1993 |
| 5043541 |
Branch circuit for insertable switch |
Aug. 27, 1991 |
| 4975804 |
Electrical control module for mobile storage apparatus |
Dec. 4, 1990 |
| 4914549 |
Circuit breaker movement mechanism |
Apr. 3, 1990 |
| 4839477 |
Controller having interchangeable vacuum or air break contactors and having easily serviced parts |
Jun. 13, 1989 |
| 4814942 |
Drawout switchgear cell frame |
Mar. 21, 1989 |
| 4742428 |
Protective relay and drawout case therefor |
May. 3, 1988 |
| 4730231 |
Gas insulated metal-clad high voltage equipment with insulating bushing |
Mar. 8, 1988 |
| 4514783 |
Encapsulated, compressed-gas-insulated, high-voltage switching installation |
Apr. 30, 1985 |
| 4482936 |
Drawer type enclosed switchboard with automatic grounding device |
Nov. 13, 1984 |
| 4454564 |
Fabricated carriage assembly for high voltage contactor |
Jun. 12, 1984 |
| 4432036 |
Switchgear with stab-positioning system |
Feb. 14, 1984 |
| 4351990 |
Interphase barrier for switchgear |
Sep. 28, 1982 |
| 4281227 |
Drawout switchgear with blow-out prevention device |
Jul. 28, 1981 |
| 4280029 |
Electrical switch |
Jul. 21, 1981 |
| 4262175 |
Drawout switchgear with telescoping cam shaft |
Apr. 14, 1981 |
| 4249227 |
Enclosed switchboard having instruments needed for regular inspection and operation mounted on a middle level door |
Feb. 3, 1981 |
| 4205207 |
Draw out circuit breaker assembly |
May. 27, 1980 |
| 4184191 |
Enclosed switchboards with insulation test contact member |
Jan. 15, 1980 |
| 4012609 |
Circuit-interrupters using spaced-apart bars for conductor-assemblies |
Mar. 15, 1977 |
| 3973096 |
Adjustable circuit-interrupter with improved support means |
Aug. 3, 1976 |
| 3967163 |
Supporting means for the power conductors in circuit breakers |
Jun. 29, 1976 |
| 3958156 |
Vacuum interrupter metal-clad switchgear vertically elevatable within compartment |
May. 18, 1976 |
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