Tools – Wrench – screwdriver – or driver therefor – Attachment – or including adjunct or replaceable portion
Patent
1980-06-16
1981-12-29
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Attachment, or including adjunct or replaceable portion
81177E, B25B 1358
Patent
active
043076343
ABSTRACT:
A telescoping hex head nut driver comprising a first hexagonal socket on a shank, a handle attached to said shank, with smaller (inner) hexagonal sockets and shanks telescoping within the first hexagonal socket and shank. The inner sockets can be extended to engage smaller hex head nuts and means are provided in the handle to extend and retract the inner sockets.
REFERENCES:
patent: 1107769 (1914-08-01), Earl et al.
patent: 1618715 (1927-02-01), Lammars et al.
patent: 2660082 (1953-11-01), Dreese
patent: 3779105 (1973-12-01), Triplett et al.
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