Railway car uncoupling devices

Claim 1

IN A SLIDING STILL TYPE RAILWAY CAR WHEREIN A LONGITUDINAL SILL IS MOUNTED FOR MOVEMENT RELATIVE TO THE REMAINDER OF THE CAR IN RESPONSE TO BUFF AND DRAFT FORCES AND SAID SILL MOUNTS A COUPLER AT OPPOSITE ENDS THEREOF FOR AT LEAST LATERAL MOVEMENT RELATIVE TO SAID SILL, THE PROVISION OF AN UNCOUPLING DEVICE FOR EACH OF SAID COUPLERS COMPRISING, AN EXTENSIBLE UNCOUPLING ROD ASSEMBLY HAVING FIRST AND SECOND ROD-LIKE MEMBERS IN SUBSTANTIAL LONGITUDINAL ALIGNMENT, MEANS MOUNTING ONE END OF SAID FIRST ROD-LIKE MEMBER ON SAID CAR FOR ROTATION ABOUT ITS LONGITUIDNAL AXIS AND PIVOTING MOVEMENT ABOUT A GENERALLY VERTICAL AXIS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID ROD-LIKE MEMBER, MEANS OPERATIVELY CONNECTING ONE END OF SAID SECOND ROD-LIKE MEMBER TO A COUPLER LOCK OPERATING MEANS, AND SLEEVE MEANS SLIDABLY SUPPORTING THE OTHER ENDS OF SAID FIRST AND SECOND ROD-LIKE MEMBERS IN SUBSTANTIALLY LONGITUDINAL ALIGNMENT TO PERMIT LENGTHWISE EXTENSION AND RETRACTION OF SAID ROD-LIKE MEMBERS RELATIVE TO EACH OTHER IN RESPONSE TO LATERAL SHIFTING OF SAID COUPLER; SAID SLEEVE MEANS AND SAID OTHER ENDS OF SAID FIRST AND SECOND ROD-LIKE MEMBERS BEING FORMED SO AS TO BE CONJOINTLY ROTATABLE UPON ROTATION OF SAID FIRST ROD-LIKE MEMBER.