Patent ID: 11872717
Assignee: GERBER TECHNOLOGY LLC
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A swivel knife holder assembly for a reciprocating knife, the holder comprising:
a shoulder screw defining an axis, the shoulder screw having a proximal threaded end and a distal head;
a bobbin assembly mounted on the shoulder screw to freely swivel for absorbing axial load, wherein the bobbin assembly comprises a thrust bearing adjacent the distal head, a spacer for guiding the thrust bearing rotation, and a shock-absorbing member adjacent the spacer for absorbing axial load;
a shell defining an interior, the shell having a distal opening and a proximal opening, wherein the proximal opening is defined by a flange, wherein the shell engages a rotating drive mechanism to swivel about the axis;
a stem threadably coupled to the proximal threaded end of the shoulder screw, the stem having a mounting surface for engaging a reciprocating drive mechanism; and
a core secured in the interior for coupling to the knife.