Self-propelling,trench shoring device

Abstract

Abstract A SELF-PROPELLING, TRENCH SHORTING DEVICE FOR SHORING THE SIDES OF AN EXCAVATED TRENCH WHILE LAYING PIPE THEREIN AND WHICH MOVES FORWARD TO THE NEXT EXCAVATED SECTION AS THE PREVIOUS SECTION IS COMPLETED HAVING A FRAME MEMBER, A PAIR OF SIDE PANELS MOVABLE TOWARD AND AWAY FROM THE FRAME MEMBER AND MEANS FOR MOVING THE SIDE PANELS BETWEEN A FIRST POSITION WHEN THEY ARE CLOSE TO THE FRAME MEMBER AND A SECOND POSITION WHEN THEY ARE SPACED FROM THE FRAME MEMBER AND PRESSURE IS EXERTED ON THE SIDES OF THE EXCAVATED TRENCH TO SUPPORT THE SAME, A LONGITUDINAL MEMBER MOVABLE BETWEEN A FIRST POSITION WHEN ITS LONGITUDINAL DIMENSION IS SUBSTANTIALLY COINCIDENT WITH THE FRAME AND A SECOND POSITION WHEN IT IS REARWARD OF THE FRAME, THE LONGITUDINAL MEMBER BEING MOVED TO THE SECOND POSITION WHILE THE SIDE PANELS ARE IN THE SECOND POSITION TO MOVE THE FRAME TO THE NEXT EXCAVATED SECTION, THE SIDE PANELS BEING MOVED TO THE FIRST POSITION AND THE LONGITUDINAL MEMBER BEING MOVED FORWARD SO THAT IT IS IN THE FIRST POSITION PREPARATORY TO MOVING THE SIDE PANELS TO THE SECOND POSITION IN THE NEXT EXCAVATED SECTION, THE FRAME BEING PROVIDED AT ITS FRONT WITH A PAIR OF VERTICAL STEERING VANES AND A LATERAL STEERING VANE FOR AIDING IN THE POSITIONING OF THE DEVICE AS IT MOVES FROM SECTION TO SECTION.

Inventors

• 👤 Matthew P Quitadamo Jr

Bibliographic Details