Failsafe element for rotary cam unit used in a flanged die

Details Failsafe element for rotary cam unit used in a flanged die Failsafe element for rotary cam unit used in a flanged die

2007-08-21

2007-08-21

Johnson, Vicky A. (Department: 3682)

Machine element or mechanism

Mechanical movements

Rotary to intermittent unidirectional motion

Reexamination Certificate

active

10758814

ABSTRACT:
A rotary cam assembly for a bending die includes first and second arms pivotally attached to an actuator. Linear movement of the actuator causes rotation of the rotary cam relative to a bending cam. A rotatable element is supported between the first and second arms and guides along a cam surface of a fail-safe element mounted on an upper die. In the absence of actuator movement, the fail-safe element cause rotation of the rotary cam from a released position to a bending position ensuring proper position of the rotary cam relative to a bending cam.

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