Patent ID: 7631732

Claim:
A brake structure for a packaging strap-reel frame comprising: a frame body having a central portion horizontally secured with a tubular shaft; an inner disc and an outer disc respectively and symmetrically bored with a shaft hole in the center to be pivotally fitted on said tubular shaft of said frame body, said inner disc and said outer disc having their opposite sides respectively provided with an annular projecting edge, said inner disc and said outer disc having their outsides corresponding to said annular projecting edges respectively formed with an annular groove; and a brake device composed of an L-shaped rod, said L-shaped rod having one end pivotally assembled on said frame body and another end transversely extended forward along an outside of said inner disc and then vertically bent toward an outer circumferential edge of said inner disc, said L-shaped rod fixed with a brake plate extending upward at a location corresponding to an upper edge of said annular groove of said inner disc, said brake plate being an arcuate plate matching with a circumferential wall of said annular groove of said inner disc, said brake plate actuated to swing upward and push against the circumferential wall of said annular groove for carrying out braking when said brake device falls downward naturally.