Bar bell exercising device with slidable carriage

Claim 1

AN EXERCISING DEVICE COMPRISING: AN OPEN FRAMEWORK INCLUDING A BASE AND TWO PAIR OF GUIDE MEMBERS PROJECTING UPWARDLY THEREFROM, ONE PAIR OF GUIDE MEMBERS BEING VERTICAL AND THE OTHER PAIR OF GUIDE MEMBERS BEING INCLINED TOWARD SAID ONE PAIR OF GUIDE MEMBERS, THE GUIDE MEMBERS OF EACH PAIR BEING LATERALLY SPACED AND SAID GUIDE MEMBERS PROVIDING THEREBETWEEN A SPACE TO ACCOMMODATE A PERSON, SAID FRAMEWORK INCLUDING RIGID MEANS BETWEEN THE UPPER ENDS OF SAID PAIRS OF GUIDE MEMBER, A FIRST BARBELL ARRANGED TRANSVERSELY OF SAID ONE PAIR OF GUIDE MEMBERS AND A SECOND BARBELL ARRANGED TRANSVERSELY OF SAID OTHER PAIR OF GUIDE MEMBERS, MOUNTING MEANS MOUNTING SAID BARBELLS FOR MOVEMENT ALONG SAID GUIDE MEMEBERS, MEANS FOR RELEASABLY HOLDING SAID FIRST BARBELL IN VARIOUS FIXED POSITIONS ALONG SAID ONE PAIR OF GUIDE MEMBERS, SAID RIGID MEANS BEING SO LOCATED RELATIVE TO SAID GUIDE MEMBERS THAT A PERSON MAY DOUBLE HIMSELF OVER SAID RIGID MEANS WITH HIS LEGS ENGAGING AND BEING RESTRAINED BY SAID FIRST BARBELL AND HIS HANDS ENGAGING SAID SECOND BARBELL TO ENABLE HIM TO MOVE THE LATTER BACK AND FORTH ALONG SAID INCLINED GUIDE MEMBERS.