Patent ID: 7389970

Claim:
A goods fastening apparatus with improved structures, comprising: a body ( 1 ), a pipe ( 2 ) fixedly connected to the body ( 1 ) and a gear rack ( 3 ) passing through the body ( 1 ) and partly muff-coupled with the inside of the pipe ( 2 ), wherein a hand grip ( 4 ) and a positioning claw ( 6 ) are hinged to the body ( 1 ) through a primary pivot ( 5 ), a driving claw ( 8 ) is hinged to the hand grip ( 4 ) through a secondary pivot ( 7 ), a plate spring ( 9 ) is positioned between the driving claw ( 8 ) and the positioning claw ( 6 ), a mobile stopper sheet ( 10 ) pressed against the plate spring ( 9 ) is provided at the upper portion of the body ( 1 ), the front ends of the driving claw ( 8 ) and the positioning claw ( 9 ) can be embedded into the gear teeth ( 31 ) of the gear rack ( 3 ) with aid of the plate spring ( 9 ), characterized in that, a stopper pin ( 11 ) is fixed at the hand grip ( 4 ), which is positioned at the edge of one side of the positioning claw ( 6 ) facing the gear rack ( 3 ) while the front end of the positioning claw ( 6 ) is embedded into the gear teeth ( 31 ) of the gear rack ( 3 ), and wherein a control device is set at the hand grip ( 4 ) and the body ( 1 ) to prevent the front ends of the driving claw ( 9 ) and the positioning claw ( 6 ) from detaching from the gear rack ( 3 ) by restricting the turning angle of the hand grip ( 4 ), said control device comprising a full back wrench ( 13 ) hinged to the hand grip ( 4 ) through a pivot ( 12 ) and a stopper ( 14 ) fixed to the body ( 1 ).