Borescope

Claim 1

A BORESCOPE COMPRISING A FIRST TUBE MEMBER, OCULAR MEANS MOUNTED ON ONE END OF THE FIRST TUBE MEMBER, A SECOND TUBE MEMBER, LIGHT TRANSMISSIVE OBJECTIVE MEANS MOUNTED IN ONE END OF THE SECOND TUBE MEMBER, A HOUSING MEMBER, A TUBULAR EXTENSION EXTENDING OUTWARDLY OF THE HOUSING MEMBER AND COMMUNICATING THEREWITH, A TUBULAR HEAD ASSEMBLY THE OTHER END OF THE FIRST TUBE CONNECTED TO AND COMMUNICATING WITH THE HOUSING, THE OTHER END OF THE SECOND TUBE MOUNTED IN THE TUBULAR HEAD ASSEMBLY, THE TUBULAR HEAD ASSEMBLY BEING ROTATABLY MOUNTED IN THE TUBULAR EXTENSION, MEANS FOR DETACHABLY MOUNTING THE HEAD ASSEMBLY IN THE TUBULAR EXTENSION, SAID DETACHABLE MOUNTING MEANS COMPRISING A BALL DETENT MEANS COUPLED TO SAID EXTENSION THE TUBES BEING POSITIONED ANGULARLY OF EACH OTHER AND THEIR AXES INTERSECTING IN THE HOUSING, A THIRD TUBE MOUNTED IN SAID HEAD ASSEMBLY ADJACENT TO AND PARALLEL WITH THE SECOND TUBE, ELECTRIC LAMP MEANS MOUNTED IN AN END OF SAID THIRD TUBE NEAR THE OBJECTIVE MEANS OF THE SECOND TUBE, A PAIR OF AXIALLYSPACED CONTACT RINGS ON SAID HEAD ASSEMBLY AND MOUNTED EXTERNALLY THEREOF, ELECTRICAL CIRCUIT MEANS ELECTRICALLY CONNECTING THE RINGS WITH THE LAMP, A REFLECTING MEANS MOUNTED IN THE HOUSING AND POSITIONED TO REFLECT AN IMAGE FROM THE OBJECTIVE MEANS TO THE OCULAR MEANS, AND ADJUSTMENT MEANS ON SAID TUBULAR HEAD ASSEMBLY FOR SIMULTANEOUSLY ROTATING THE SECOND AND THIRD TUBES RELATIVE TO THE SAID TUBULAR EXTENSION.