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A golf bag structure has a base, a post, a top frame, two leg assemblies and a cord. The base has a pivot bracket attached pivotally to the base and a cord guide. The post is attached to the pivot bracket. The top frame is attached to the post and has a divider and a cord passage defined through th

A golf bag structure has a base, a post, a top frame, two leg assemblies and a cord. The base has a pivot bracket attached pivotally to the base and a cord guide. The post is attached to the pivot bracket. The top frame is attached to the post and has a divider and a cord passage defined through the divider. The leg assemblies are attached to the top frame, and each leg assembly has a pivot mount and a leg. The pivot mount is attached pivotally to the top frame. The leg is attached to the pivot mount. The cord extends through the cord guide and the cord passage in the top frame and is connected to the base and the pivot mounts of the leg assemblies. The leg assemblies keep articles such as golf clubs in the golf bag from falling out.

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What is claimed is: 1. A golf bag structure comprising: a base having a pivot bracket mounted pivotally on the base and having a cord guide formed on the pivot bracket and having a through hole defined through the cord guide; a post attached to and extending up from the pivot bracket and having a t

What is claimed is: 1. A golf bag structure comprising: a base having a pivot bracket mounted pivotally on the base and having a cord guide formed on the pivot bracket and having a through hole defined through the cord guide; a post attached to and extending up from the pivot bracket and having a top end and a bottom end; a top frame mounted on the top end of the post and having a central opening and a cord passage formed through the top frame; two leg assemblies attached to the top frame and corresponding respectively to the front openings, and each leg assembly having a bracket assembly attached to the frame, a pivot mount attached pivotally to the bracket assembly and a leg attached to the pivot mount; and a cord extending through the through hole in the cord guide and the cord passage in the top frame and connected to the base and the pivot mounts of the leg assemblies. 2. The golf bag structure as claimed in claim 1, wherein: the base having a top surface and an annular sidewall extending up from the base and having an inner surface; the pivot bracket is mounted pivotally on the top surface of the base, is adjacent to the sidewall and further has a distal end and a mounting hole defined in the distal end; the bottom end of the post is mounted in the mounting hole in the distal end of the pivot bracket; the top frame having a front and a rear, an outer surface, an inner surface; and a divider attached to the inner surface of the top frame across the central opening, dividing the central opening into at least two sub openings; the cord passage is formed through the divider and having a rear opening close to the post and two front openings opposite to the rear opening; and the cord having a bottom end attached to the inner surface of the sidewall and two top ends attached respectively to and pivoting the pivot mounts. 3. The golf bag structure as claimed in claim 2, wherein: the bracket assembly of each leg assembly has an inside bracket attached to and protruding out from the outer surface of the top frame and having a pivot hole defined in the inside bracket; an outside bracket attached to and protruding out from the outer surface of the top frame parallel to the inside bracket and having a mounting slot defined through the outside bracket and aligned with the pivot hole in the inside bracket; and a pivot pin mounted between the inside bracket and the outside bracket and having an outer end, an inner end, a mounting protrusion formed coaxially on and protruding longitudinally from the outer end of the pivot pin and mounted in the mounting slot in the outside bracket and a spring hole defined in the inner end of the pivot pin; the pivot mount of each leg assembly is mounted pivotally on the pivot pin between the inside bracket and the outside bracket of a corresponding bracket assembly and further has two sides, a protruding pivot pin formed on one side of the pivot mount and mounted rotatably in the pivot hole in the inside bracket of the corresponding bracket assembly and a mounting hole defined coaxially with the protruding pivot pin in the other side of the pivot mount and rotatably holding the pivot pin of the corresponding bracket assembly; and each leg assembly further has a torsion spring mounted in the spring hole in a corresponding pivot pin, biasing a pivot mount to locate alongside the top frame and having two ends securely mounted respectively to the corresponding pivot pin and the corresponding pivot mount. 4. The golf bag structure as claimed in claim 3, wherein: the pivot mount of each leg assembly further has a cord mount formed on the pivot mount and having a part-circular groove defined in the cord mount and aligning with a corresponding front opening of the cord passage in the top frame; each leg assembly further has a cord cover covering a corresponding cord mount and having a tube attached coaxially to a corresponding front opening of the cord passage in the top frame and having a cord hole defined through the tube and communicating with the corresponding front opening and the part-circular groove in the corresponding cord mount; and a shell formed on the tube and covering the part-circular groove in the corresponding cord mount; and top ends of the cord extend respectively through the front openings of the cord passage and the cord holes in the tubes of the cord covers and are mounted respectively in the part-circular grooves in the cord mounts on the pivot mounts. 5. The golf bag structure as claimed in claim 4, wherein the divider further has a longitudinal divider formed from the front to the rear of the central opening of the top frame and dividing the central opening to two sub openings, and multiple transverse dividers formed between the longitudinal divider and the inner surface of the top frame and dividing the sub openings to multiple smaller openings. 6. The golf bag structure as claimed in claim 5, wherein the post further has a curved handle being a section of the post near the top end. 7. The golf bag structure as claimed in claim 6, wherein the cord is a fiber cord. 8. The golf bag structure as claimed in claim 6, wherein the cord is a metal cable. 9. The golf bag structure as claimed in claim 6, wherein the divider is Y-shaped. 10. The golf bag structure as claimed in claim 9, wherein the cord is Y-shaped.