Patent ID: 8640322
Filing Date: 2014-02-04
Classification: B21J,B25B,Y10T

Abstract:
1. An adapter for use in installing blind fasteners using an installation tool and an installation head, said installation tool having a puller shaft for applying tensile force and a tool body portion for applying compressive force, said installation head having a gripping mechanism for applying tensile force to a fastener and a sleeve surrounding the gripping mechanism for applying compressive force, said adapter comprising: a tension member having a proximal end mateable with the puller shaft of the installation tool and a distal end mateable with the gripping mechanism of the installation head, said tension member also having a first rack gear formed in its outer surface; a compression member having an opening therethrough with an inner surface and disposed around said tension member, the opening sized to accommodate relative axial sliding of said tension member relative to said compression member, said compression member having a second rack gear formed in said inner surface; means for mounting said compression member to the installation head sleeve; a pinion gear housing mateable with the tool body; and a plurality of pinion gears retained within said housing and engaged with said first and second rack gears; wherein said adapter is operative to increase a stroke length provided by the installation tool.