Track attachment means for seats and the like

Claim 1

TRACK ATTACHMENT APPARATUS FOR EFFECTING EASY MANUAL CONNECTION AND REMOVAL WITH RESPECT TO FIXED TRACK MEANS, WHICH COMPRISES IN COMBINATION; A TRACK MEMBER HAVING OUTWARDLY PROJECTING UPPER FLANGE PORTIONS AND AT LEAST TWO SPACED APART LONGITUDINAL CUT-OUT SECTIONS IN SUCH FLANGE PORTIONS, A CHANNEL ATTACHMENT MEMBER HAVING LONGITUDINALLY SPACED APART INWARDLY PROJECTING FLANGE PORTIONS ADAPTED TO ENCASE THE FLANGE PORTIONS OF SAID TRACK MEMBER AND PROVIDE THEREWITH A LONGITUDINALLY SLIDABLE MEMBER, WITH SAID SPACED APART INWARDLY PROJECTING FLANGE LENGTHS OF SAID CHANNEL MEMBER BEING SPACED LONGITUDINALLY TO BE IN ALIGNMENT WITH SAID SPACED OUT SECTIONS OF SAID TRACK MEMBER AND, IN ADDITION, SUCH INWARDLY PROJECTING FLANGE PORTIONS BEING OF SLIGHTLY LESS LENGTH THAN SAID CUT-OUT SECTIONS IN THE FLANGE PORTIONS OF SAID TRACK MEMBER WHEREBY THERE CAN BE ENGAGEMENT THEREWITH, A SAFETY LATCH UNIT MOVABLY CONNECTED WITH AND ENCOMPASSING SAID MOVABLE CHANNEL MEMBER AT A ZONE BETWEEN THE FLANGE PORTIONS THEREOF, WITH SAID LATCH UNIT HAVING LOWER INWARDLY PROJECTING FLANGE PORTIONS IN NORMAL ALIGNMENT WITH THOSE OF SAID CHANNEL MEMBER, WHEREBY THERE WILL BE ENGAGEMENT WITH SAID TRACK SECTION AND, IN ADDITION, GUIDE MEANS WITH SPRING BIAS MEANS BETWEEN SAID CHANNEL MEMBER AND SAID LATCH UNIT ARE ATTACHED IN A MANNER HOLDING THE LATTER IN A NORMAL OPERATING POSITION WITH RESPECT TO SAID CHANNEL MEMBER AND SAID TRACK MEMBER, SUCH SPRING BIAS MEANS AND SAID GUIDE MEANS OF THE LATCH UNIT PERMITTING VERTICAL MOVEMENT OF SAID LATCH UNIT WITH RESPECT TO SAID CHANNEL MEMBER WHEREBY THE FLANGED PORTION OF SAID LATCH UNIT CAN BE MOVED RELATIVE TO THE CHANNEL MEMBER AND PASSED THROUGH THE CUT-OUT SECTION OF SAID TRACK MEMBER.