Manually operable tool for installing blind anchor nuts

Details Manually operable tool for installing blind anchor nuts Manually operable tool for installing blind anchor nuts

B - Operations, Transporting

25

B

81/3

B25B 13/48 (2006.01) B25B 27/00 (2006.01)

Patent

CA 1080007

MANUALLY OPERABLE TOOL FOR INSTALLING BLIND ANCHOR NUTS Abstract of the Disclosure A manually operable tool for installing blind anchor nuts by pulling an internally threaded part of the nut into a body part of the nut to expand the latter. The tool includes a body member having a bore extending therethrough, an anvil at one end of the bore for engaging the body part of an anchor nut, the anvil surrounding an aperture aligned with the bore, and a grip by means of which an operator can hold the body member to prevent rotation thereof about the bore. A mandrel, which may be changed without the need for external tooling, is positioned in the aperture in the anvil, the mandrel having an externally threaded portion extending outwardly of the anvil and a socket facing into the bore. A shaft is rotatable and reciprocable in the bore of the body member which shaft is provided at one end with a key which fits into the socket on the mandrel in driving engagement therewith, the key being interchangeable without the need for external tooling. The shaft is provided with a handle outside the body member of the tool by means of which the shaft can be both rotated and reciprocated with respect to the body member, the shaft being reciprocable between a first position in which key on the shaft engages in the socket on the mandrel thereby allowing rotation of the mandrel by means of the handle, and a second position in which the key disengages from the socket there- by allowing rotation of the handle without rotation of the mandrel.

288552

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