Adapter for power tool installation of tangless helically...

Details Adapter for power tool installation of tangless helically... Adapter for power tool installation of tangless helically...

B - Operations, Transporting

23

G

10/25

B23G 1/00 (2006.01) B25B 27/14 (2006.01)

Patent

CA 1232714

ABSTRACT A power-driven insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotal paw inserted in a groove below the threaded portion so that the paw engages a recess of the insert, in order that the insert may be screwed into the tapped hole. A sleeve, concentric to the threaded mandrel, maintains the insert's helix angle for a smooth transition into the tapped hole. An adjusting nut adjusts the depth to which an insert may be installed and whereby a free spinning bearing contacts the parent material and automatically reverses the torque of the tool.

474840

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