Patent ID: 9592597
Date: 2017-03-14
CPC Classifications: B25C,B27F

Claim:
1. A stapler device to install staple fasteners including a clinch assembly and a stapler base, comprising: the stapler device movably mounted to the base including a space between the base and an underside of the stapler device; an anvil assembly within the base including a frame of the assembly and slot of the frame in a top of the base; and toggle arms pivotally mounted within the slot, the toggle arms able to contact and fold legs of a moving staple, the arms being resiliently biased by an energy storage spring to rotate upon the frame to a rest position in the slot, an operating cycle of the stapler including moving the toggle arms from a rest position to a deflected position followed by a return to the rest position, the arms being biased by the spring throughout the operating cycle, with the arms having a normal upper rest position flush or nearly flush with the top of the slot, and the arms having a momentary downward deflected position during the operating cycle of the stapler.