Patent ID: 8641387

Claim:
An inflating pump apparatus for filling an air balloon, the inflating pump apparatus comprising: a cylinder having a cylindrical wall and a pair of ends, said cylinder having an actuating space defining by said cylindrical wall and said pair of ends; a piston slidably positioned in said actuating space of said cylinder; an actuating shaft having an inner end linked to said piston and an outer end extending outwardly of one of said pair of ends of said cylinder; an operating handle linked to said outer end of said actuating shaft; an outlet nozzle communicating with said actuating space of said cylinder, said outlet nozzle having a tapered tubular shape, said outlet nozzle having an exterior surface suitable for allowing the air balloon to be sleeved thereover; and at least one auxiliary knotting portion protruding outwardly of the other of said pair of ends of said cylinder, the auxiliary knotting portion being in spaced relation to said outlet nozzle on the other of said pair of ends of said cylinder, the auxiliary knotting portion having a bulge and an internal flange formed at an end of said bulge, said bulge having a first threading portion formed thereon, said other of said pair of ends of said cylinder having a second threading portion formed thereon, each of said first and second threaded portions having a recessed slot and a block positioned across a middle of said recessed slot such that a thread can extend into said recessed slot below said block, the air balloon being rewound for auxiliary knotting by using said bulge and said internal flange of the auxiliary knotting portion as a guiding structure after the air balloon is sleeved onto said outlet nozzle and the air balloon is filled with air.