Abstract: A separable blade assembly for a rubber raft, which can be easily disassembled and conveniently carried, including two blade members, two rod members, and a bolt member. The two blade members can be associated to form a blade assembly and the two rod members can be inserted through central holes of the blade members and connected by the bolt member for driving the blade assembly. When mounted on a rubber raft, one can step on two pedals of the rod members to consequently rotate the blade assembly and move the raft forward.

Abstract: A gas inlet including an inlet body having a gas passage, a tube body and a plug body, wherein the tube body and plug body are connected to the inlet body via a thin strip. The tube body has a close end and a cut and is suitable to be fitly fitted into the gas passage, while the plug body is suitable to be plugged into the tube body, whereby by means of plugging or removing the tube body and plug body, an inflatable product can be rapidly inflated or deflated.