Small boat dock

Claim 1

A DOCK STRUCTURE MADE UP OF A SERIES OF SECTIONS EACH SECTION CONSISTING OF A RECTANTULAR DECK FRAME HAVING A MATCH PAIR OF HORIZONTALLY DISPOSED PARALLEL ANGLE RAILS WITH THEIR COPLANAR HORIZONTAL FLANGES INTURNED TOWARD EACH OTHER AND THEIR VERTICAL PARALLEL FLANGES COEXTENSIVE AND TURNED UPWARDLY, A MATCHED PAIR OF HORIZONTIALLY DISPOSED PARALLELL ANGLE SILLS TRANSVERSELY OF SAID RAILS AND HAVING THEIR VERTICAL PARALLEL FLANGES COEXTENSIVE AND TURNED DOWNWARDLY AND THEIR HORIZONTAL COPLANAR FLANGES INTURNED TOWARD EACH OTHER, THE ENDS OF THE TOP HORIZONTAL COPLANOR FLANGE SURFACES OF SAID SILLS SECURED TO THE ENDS OF THE BOTTOM HORIZONTAL COPLANAR FLANGE SURFACES OF SAID RAILS AND COMPLETING SAID RECTANGULAR DECK FRAME, A MATCHED PAIR OF VERTICALLY DISPOSED PARALLEL ANGLE LEGS HAVING THEIR COPLANOR FLANGES INTURNED TOWARD EACH OTHER AND THEIR PARALLEL FLANGES SECURED TO BOTH END EDGES OF SAID PARALLEL LEG FLANGES SECURED TO BOTH END EDGES OF THE INNER SURFACES OF BOTH FLANGES OF ONE OF SAID SILLS AND PROVIDING SUPPORT FOR THE FRAME, THE INNER SURFACE OF THE COPLANAR LEG FLANGES BEING SPACED FROM THE EXTREME PORTIONS OF THE OUTER VERTICAL SILL FLANGEL SURFACE AND DEFINING THEREWITH A PAIR OF POCKETS, SAID OTHER SILL BEING THE FREE END SILL OF THE DOCK SECTION, AND SAID POCKETS HAVING A WIDTH AND BREADTH RECEIVING THE END AND INNER AND OUTER DEPENDING VERTICAL FLANGE SURFACES OF SAID FREE SAID SILL ON THE NEXT CONSECUTIVE DOCK SECTION AND RETAINING THE OUTER VERTICAL FLANGE SURFACES OF ADJACENT SILLS IN CONTINUOUS TRANSVERSE CONTACT TO MAINTAIN ALIGNMENT OF ADJACENT DOCK SECTIONS, THE FREE END STILL OF SAID CONSECUTIVE DOCK SECTION SUPPORTED DIRECTLY ON THE TOP EDGE OF SAID COPLANOR LEG FLANGES, AND THE INNER FLANGE SURFACES OF SAID COPLANAR AND PARALLEL RAIL FLANGES OF ADJACENT DOCK SECTIONS DISPOSED TO FORM A CONTINUOUS UPWARDLY OPEN CRADLE TO RECEIVE A DECK.