Enclosure for electrical apparatus and systems

Claim 1

A CONTROL ASSEMBLY FOR CONTROLLING OPERATION OF DISPENSING MEANS FOR DISPENSING A PLURALITY OF EXPLOSIVE PRODUCTS AND FORMING A PART OF A SERVICE STATION AND CONNECTED TO HIGH VOLTAGE POWER LEADS AND LOW VOLTAGE SIGNAL LEADS, AN ENCLOSURE FOR MOUNTING IN AN AREA OF MINIMUM HAZARD FROM EXPLOSION AND HAVING AN OUTER RELEASABLY LOCKED DOOR, A PAIR OF CONTROL ASSEMBLIES ARRANGED IN SIDE-BY-SIDE RELATION WITHIN THE ENCLOSURE, EACH INCLUDING HIGH VOLTAGE POWER COMPONENTS AND LOW VOLTAGE SIGNAL COMPONENTS, A RESETTABLE CODE DEVICE AND A SPACED CODE INPUT MEANS FOR ACTUATING A CONTROL MEANS FOR CONNECTION TO THE DISPENSING MEANS, SEPARATE TERMINAL BLOCK MEANS, ONE FOR CONNECTING HIGH VOLTAGE POWER LEADS TO SAID HIGH VOLTAGE POWER COMPONENTS AND CONSTITUTING A HIGH VOLTAGE TERMINAL BLOCK MEANS AND ONE FOR CONNECTING LOW VOLTAGE SIGNAL LEADS TO SAID LOW VOLTAGE COMPONENTS AND DEFINING A SIGNAL LEAD TERMINAL BLOCK MEANS MOUNTED WITHIN THE ENCLOSURE, JUNCTION BOX MEANS PERMANENTLY CONNECTED TO FORM A PART OF THE ENCLOSURE AND INCLUDING SEPARATE COMPARTMENTS ALIGNED WITH THE HIGH VOLTAGE TERMINAL BLOCK MEANS AND THE SIGNAL LEAD TERMINAL BLOCK MEANS AND INCLUDING A COMMON POWER LEAD COMPARTMENT AND INDIVIDUAL SIGNAL LEAD COMPARTMENTS FOR EACH PRODUCT, A PLURALITY OF RELEASABLY MOUNTED COVERS SEPARATELY OVERLYING EACH CODE DEVICE AND EACH INPUT MEANS, A COMMON LATCH MOUNTED WITHIN THE ENCLOSURE AND DISPOSED IN RELEASABLE HOLDING ENGAGEMENT WITH THE COVERS OVERLYING THE RESETTABLE CODE DEVICE AND HAVING AN INTERLOCK ARM FORMING A PART OF THE LATCH AND MOVABLE THEREWITH, AND A KEY ACTUATED UNIT MOUNTED WITHIN THE ENCLOSURE AND HAVING A LEVER WITH A STANBY POSITION IN THE PATH OF THE INTERLOCK ARM AND MOVABLE THEREFROM IN RESPONSE TO ACTUATION OF THE UNIT BY A SELECTED KEY THEREFOR, SAID UNIT BEING LOCATED ADJACENT THE OUTER DOOR TO DISPOSE THE KEY IN THE PATH OF THE OUTER DOOR AND THEREBY REQUIRING REMOVAL OF THE KEY PRIOR TO CLOSURE OF THE OUTER DOOR.