초록 ▼

A pulling apparatus having a stand which supports a chain connected between a floor anchor and a piece of sheet metal, and the like, to be straightened. A power head is arranged engaging the chain for tightening same. The power head may be disposed along an open run of the chain, or alternatively ma

A pulling apparatus having a stand which supports a chain connected between a floor anchor and a piece of sheet metal, and the like, to be straightened. A power head is arranged engaging the chain for tightening same. The power head may be disposed along an open run of the chain, or alternatively may be mounted on the stand in place of a pulley which normally guides the chain over the stand. A plurality of hangers are provided at different heights on the frame for receiving the pulley or power head.

대표청구항 ▼

A pulling apparatus, comprising, in combination: (a) a rigid stand including a vertically upstanding frame forming a tower, a base supporting the frame, and at least one hanger mounted on the frame; b. an anchor; c. a flexible member for being connected to a structure to be straightened and to the a

A pulling apparatus, comprising, in combination: (a) a rigid stand including a vertically upstanding frame forming a tower, a base supporting the frame, and at least one hanger mounted on the frame; b. an anchor; c. a flexible member for being connected to a structure to be straightened and to the anchor; and d. a power head; wherein e. in a first arrangement of the elements, the power head is arrangeable on the hanger of the stand for guiding the flexible member, the power head being arrangeable swingingly suspended on the hanger and supporting the flexible member on the stand to form the first arrangement of the elements, and a second arrangement of the elements wherein the power head is supportable by the flexible member and additionally cooperates with the stand, anchor, and flexible member, with the second arrangement of the elements including a pulley arrangeable on the hanger of the stand and guidingly supporting the flexible member the power head being arranged engaging the flexible member to tighten the same.