Holder for supporting a rotary cutting blade

Cutlery – Cutting tools – Saw

Patent

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Details

83666, 83698, B27G 1904

Patent

active

044281200

ABSTRACT:
A holder for supporting a rotary cutting blade such as a saw blade for an electric circular saw comprises a drive shaft rotatable on its own axis and having a larger-diameter portion and a smaller-diameter portion concentric therewith, a fixed flange fitted over the larger-diameter portion and having an annular support extending around and spaced radially from the smaller-diameter portion for mounting thereon the rotary cutting blade, and a removable flange having an annular projection inserted between the annular support and the smaller-diameter portion and secured by a screw axially to the smaller-diameter portion with the rotary cutting blade sandwiched between the fixed and removable flanges. The annular support and the smaller-diameter portion have distal ends lying axially flush with each other. The fixed flange and the larger-diameter portion are corotatably secured to each other by interengaging flat faces thereof, and likewise the removable flange and the smaller-diameter portion are corotatably fixed to each other by flat faces thereof held in interengagement.

REFERENCES:
patent: 2854042 (1958-09-01), Robinson
patent: 3266535 (1966-08-01), Brodie
patent: 3371691 (1968-03-01), Ehinger
patent: 3456696 (1969-07-01), Gregory et al.

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