Cutting – Tool or tool with support – Tool mounted by and between spaced arms
Patent
1997-11-10
1999-08-24
Rada, Rinaldi I.
Cutting
Tool or tool with support
Tool mounted by and between spaced arms
83697, 8369871, B27B 1902
Patent
active
059411538
ABSTRACT:
A quick release saw blade chuck includes a mounting block, a clamping block pivotally connected to the mounting block, a bolt member extending through a bore in the clamping block, a threaded unit engaging threadably an externally threaded end portion of the bolt member, a rotary lever having a pivot end portion which is pivotally connected to a pivot end portion of the bolt member by a small pivot pin, and a spring for biasing an engaging face of the clamping block to press against a positioning face of the rotary lever. A saw blade is clamped between a pressing face of the clamping block and a bearing face of the mounting block. The rotary lever can be rotated about the small pivot pin so as to remove the positioning face of the rotary lever from the engaging face of the clamping block and so as to engage a camming face of the rotary lever with the bearing face of the mounting block, thereby permitting the spring to bias the pressing face of the clamping block to separate from the saw blade. At this time, the saw blade can be replaced with a new one. Then, the rotary lever is rotated back to the original position so that the clamping block presses the new saw blade against the mounting block.
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Bae Gyounghyun
P & F Brothers Industrial Corporation
Rada Rinaldi I.
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