US Patent 7661287 Auto body decrimping tool assembly

An auto body decrimping tool assembly for decrimping a panel from a vehicle frame. The decrimping tool assembly includes a hollow housing body member with a first aperture at one end and a second aperture. A decrimping head member is pivotally mounted near an end thereof on a drive shaft member rotatably secured in the body member's second aperture. The decrimping head member includes a base portion having a protruding contact section and an opposed, protruding blade section having a concave, helical surface facing the contact section. The blade section includes a tapered edge at a side of the concave, helical surface opposite the base portion. The decrimping head member is mounted to the drive shaft member at the contact section.