US 12,151,391 B2
Coping cut machine for carpentry molding
Roger Kent, Bluffdale, UT (US)
Filed by Roger Kent, Bluffdale, UT (US)
Filed on Feb. 18, 2021, as Appl. No. 17/179,104.
Application 17/179,104 is a continuation in part of application No. 16/530,537, filed on Aug. 2, 2019, abandoned.
Prior Publication US 2021/0283799 A1, Sep. 16, 2021
Int. Cl. B27C 5/06 (2006.01); B23Q 9/00 (2006.01); B27G 5/04 (2006.01)
CPC B27C 5/06 (2013.01) [B23Q 9/0085 (2013.01); B27G 5/04 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A coping cut machine, comprising:
a workpiece platform comprising a support surface for receiving a workpiece, wherein the support surface defines a single opening;
a first rotary cutting device and a second rotary cutting device positioned under the workpiece platform, each of the first rotary cutting device and second rotary cutting device supporting at least one coping knife, wherein the at least one coping knife is removably coupled to the first and second cutting devices and oriented parallel to a rotation axis of the first and second cutting devices, wherein the at least one knife at least partially extends through and beyond the single opening, and wherein the first rotary cutting device is configured to rotate in a clockwise direction, and the second rotary cutting device is configured to rotate in a counter clockwise direction;
at least one workpiece alignment member supported by the workpiece platform for aligning the workpiece supported by the workpiece platform relative to the first and second rotary cutting devices; and
wherein in response to sliding the workpiece along the at least one workpiece alignment member and during rotation of the first and second rotary cutting devices, the at least one coping knife operates to perform a coping cut on an end of the workpiece.