Saw blade mounting structure for curve sawing machines that allo

Details Saw blade mounting structure for curve sawing machines that allo Saw blade mounting structure for curve sawing machines that allo

1998-07-02

1999-11-30

Rada, Rinaldi I.

Cutting

Tool or tool with support

Tool mounted by and between spaced arms

83783, 835811, B27B 1902

Patent

active

059922834

ABSTRACT:
A saw blade mounting structure for curve sawing machines that allows buffer play, includes upper and lower saw blade clamps opposedly arranged in a mirror image at front ends of upper and lower support arms adapted to position both pin type and plain type saw blades. an adjusting seat having a post on an upper side for receiving a compression spring therein and a lower side connected to the upper saw blade clamp. The adjusting seat and compression spring are placed in a recess at the front end of the upper support arms with a threaded section of a rotary shaft passing through an upper portion of the recess to lock into a threaded through hole of the adjusting seat to a certain depth, which is adjustable. The rotary shaft has a portion exposed on the outside and connected to a detachable eccentric locking knob. When mounting a saw blade, the locking knob may be turned to exert an eccentric force on the adjusting seat so that the latter elevates to pull the saw blade tight in an optimum position. Replacement of the saw blade is also very easy. When the saw blade hits against a knob in the wood, the compression spring provides sufficient buffer play to avoid breaking of the saw blade. There is also enough play for the upper and lower saw blade clamps to ensure that the saw blade is always in an optimum vertical position with respect to the work table, thus enhancing sawing precision.

REFERENCES:
patent: 1968021 (1934-07-01), Bettendorf
patent: 4455909 (1984-06-01), Wilbs
patent: 5694825 (1997-12-01), Chang

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