Cutlery – Cutting tools – Saw
Patent
1998-06-11
1999-11-09
Watts, Douglas D.
Cutlery
Cutting tools
Saw
30161, 30331, B27B 2100
Patent
active
059790652
ABSTRACT:
A handle assembly includes a handle body formed with a longitudinal blade receiving space, a coupling member mounted on the handle body within the blade receiving space and confining an insert slit aligned and communicated with the blade receiving space, and a locking unit extending movably and transversely through the handle body and having wider and narrower sections. The locking unit extends through the coupling member to permit pivoting of the coupling member relative to the handle body. The insert slit is adapted to permit extension of a saw blade thereinto via a front opening of the coupling member. The locking pin is movable between an unlocking position, in which the narrower section is registered with the insert slit to permit movement of the locking unit into and out of a locking hole of the saw blade, and a locking position, in which the wider section is registered with the insert slit for engaging the locking hole of the saw blade. The coupling member rotates with the saw blade between unfolded and folded positions. A positioning unit mounted on the handle body is operable to engage releasably the coupling member to lock the same in a selected one of the folded and unfolded positions.
REFERENCES:
patent: 1405867 (1922-02-01), Remington
patent: 2747631 (1956-05-01), Behlefeldt
patent: 4730394 (1988-03-01), Sonner
patent: 5553386 (1996-09-01), Hsu
patent: 5661908 (1997-09-01), Chen
patent: 5722168 (1998-03-01), Huang
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