GB796274A - Improvements relating to pontoon rafts - Google Patents

Abstract

796,274. Pontoon rafts. ROBISHAW, A. P. Jan. 3, 1957 [June 29, 1956], No. 317/57. Class 113. A pontoon raft comprises float sections 10 and ramp sections 11, mating pins 21 and sockets 23 carried by adjacent sections in horizontally spaced vertically arranged groups to releasably lock the sections together, said pins loosely fitting in the sockets and having enlarged heads 22 extending through the sockets, and locking bars 34 mounted for vertical movement in guideways 28 associated with each vertical group, said bars having vertically spaced locking means 33 with downwardly opening slots 38 therein to receive the pins 21 beneath the heads 22 to lock the pins in the sockets, the bars 34 being movable vertically from a position with the locking means elevated to clear the sockets and the top of the bars above the deck 25 of the sections to a position with the locking means locking the pins in the sockets and the top of the bars flush with the deck whereby all pins of a vertically arranged group can be engaged by driving a locking bar downwardly from the deck of the raft and the float and ramp sections are secured together to provide a substantially rigid raft.