Portable powered hack-saw

Details Portable powered hack-saw Portable powered hack-saw

1995-08-11

1999-02-16

Payer, Hwei-Siu

Cutlery

Cutting tools

Saw

30507, 30513, B23D 4912

Patent

active

058708294

ABSTRACT:
A hack-saw that consists of a powered motor encased in a housing unit with a handle for gripping by the operator. Extending out from the top of the handle is an elongated bar which runs out forward from the motor housing unit to which depends a leg parallelly disposed relative to the motor housing. Extending out from the bottom of this leg is a rod, spring and nut assembly parallel in line to the elongated bar. One end of the metal hack-saw blade is removably attached to the rod, spring and bolt assembly and the other end of the blade is removably attached to the reciprocating output member of the motor extending out from the bottom of the motor housing which when running moves back and forth, causing a sawing motion. In another embodiment the rod, spring and nut assembly includes an anti-rotational structure to assure the hack-saw blade reciprocates aver a constant path of travel to avoid misalignment.

REFERENCES:
patent: 2253440 (1941-08-01), Martin
patent: 3807471 (1974-04-01), Dreier
patent: 3840059 (1974-10-01), Ingro
patent: 4253365 (1981-03-01), Ragazzini
patent: 4262420 (1981-04-01), Nalley
patent: 4458421 (1984-07-01), Lew
patent: 5027518 (1991-07-01), Adomatis
patent: 5303478 (1994-04-01), Gugel
patent: 5313709 (1994-05-01), Pabon-Delgado
patent: 5442857 (1995-08-01), Gugel

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