Patent ID: 6907760
Filing Date: 2005-06-21
Classification: F16L,Y10T

Abstract:
1. A locking cover plate for an open pipe end having a stortz-type fitting, said cover plate comprising a housing, said housing having a front surface and a side surface, a latching mechanism disposed generally rearward of said front surface of said housing, said latching mechanism comprising an actuator assembly and a torque interlock assembly, said actuator assembly comprising a drive bolt and said torque interlock assembly comprising a cam plate, said drive bolt being directed rearward from said front surface of said housing, a cam plate being connected to said drive bolt with a cam driver, said cam driver being rotationally coupled to said drive bolt and said cam plate being selectively coupled for rotation to said cam driver such that exceeding a preset torque on said cam plate causes rotation between said cam driver and said cam plate which disengages said cam plate from said drive bolt, said cam plate also being connected to a latch bar and a visual indicator that is adapted to indicate the locking status of said cover plate.