Track press having opposed rams and retractable jaw

Claim 1

IN A PRESS FOR ASSEMBLING AND DISASSEMBLING THE TRACKS OF CRAWLER TRACTORS WHICH TRACKS INCLUDE A SERIES OF PIVOTED SECTIONS EACH COMPRISING A PAIR OF SPACED APART SIDE LINKS INTO WHICH ARE PRESS FITTED THE ENDS OF TRANSVERSELY EXTENDING TELESCOPED BUSHINGS AND PINS, THE COMBINATION COMPRISING A FRAME, A SUPPORT ON THE FRAME FOR ADJACENT TRACK SECTIONS, A JAW POSITIONABLE BETWEEN THE SIDE LINKS OF A TRACK SECTION AND HAVING AT TWO SIDES THEREOF UPRIGHT PARALLEL SIDE WALLS FOR ITS ENTIRE HEIGHT TO SUPPORT EACH SIDE LINK AGAINST LATERAL THRUST FROM OPPOSITE SIDES OF THE TRACK AND FOR UPWARDLY SUPPORTING THE BUSHINGS AND PINS OF ONE PIVOTED SECTION, TWO PAIRS OF RAM ELEMENTS ON THE FRAME RESPECTIVELY FACING ONE OF SAID TWO SIDES OF THE JAW, MEANS FOR SELECTIVELY RECIPROCATING THE RAM ELEMENTS TOWARD AND AWAY FROM THE TRACK SECTION ENGAGED BY SAID JAW, SAID RAM ELEMENTS HAVING MEANS FOR SELECTIVELY AND DETACHABLY ATTACHING MEANS FOR ENGAGING THE PINS, BUSHINGS AND SIDE LINKS THE PINS AND BUSHINGS ENGAGING MEANS BEING OPERATIVE UPON MOVEMENTS OF THE RAM ELEMENTS ON ONE SIDE OF THE JAW TOWARD THE TRACK TO FORCE THE PINS AND BUSHINGS FIRST IN ONE DIRECTION AND THEN IN THE OPPOSITE DIRECTION UPON MOVEMENTS OF THE RAM ELEMENTS ON THE OTHER SIDE OF THE JAW TO FREE THEM FROM FIRST ONE SIDE LINK AND THEN THE OTHER IN DISASSEMBLING THE TRACK THE SIDE LINKS ENGAGING MEANS BEING OPERATIVE UPON SIMULTANEOUS MOVEMENTS OF ALL RAM ELEMENTS TO PRESS THE SIDE LINKS FROM OPPOSITE DIRECTIONS BACK UPON THE OPPOSITE ENDS OF THE PINS AND BUSHINGS IN REASSEMBLING THE TRACK, THE MEANS FOR ENGAGING THE PINS, BUSHINGS AND SIDE LINKS BEING ON THE RAM ELEMENTS ONLY AT DIFFERENT TIMES FOR RESPECTIVELY DISASSEMBLING AND ASSEMBLING A TREAD, THE SAID JAW BEING RETRACTABLE FROM THE PATH OF THE TRACK SECTION AFTER IT HAS BEEN WORKED UPON, FIRST STOP MEANS ATTACHED TO SAID RAM ELEMENTS AND RECIPROCABLE THEREWITH, SECOND STOP MEANS ON SAID FRAME EXTENDING TRANSVERSELY ACROSS THE PATHS OF RECIPROCATION OF SAID FIRST STOP MEANS AND COACTING THEREWITH TO LIMIT MOVEMENTS OF SAID RAM ELEMENTS, ONE OF SAID STOP MEANS BEING ADJUSTABLE, MEANS FOR ADVANCING THE TRACK OVER SAID SUPPORT WHILE THE JAW IS RETRACTED TO POSITION THE NEXT TRACK SECTION FOR WORK, SAID LAST MENTIONED MEANS INCLUDING A CONVEYOR HAVING ROLLERS SUPPORTING THE TRACK FOR MOVEMENT TOWARD THE PRESS, AND MANUALLY CONTROLLED POWER ACTUATED MEANS FOR REVOLVING SAID ROLLERS TO FEED THE TRACK TOWARD THE PRESS.