Mentor Group LLC

Stan Moizis

A folding tool such as a knife or multitool has a handle defined by opposed side walls with a slot therebetween. An implement such as a blade is pivotally connected to the handle. A spring such as a liner disposed between the implement and one side wall has a longitudinal slot cut therein and opening on the end adjacent the implement attachment to define a spring arm. The slot includes a constricted zone that is preferably substantially V shaped and has an apex aligned with the pivot axis of the implement. A pin on the implement rides in the slot. When the pin is on the rearward side of the apex the spring arm applies pressure to the implement and prevents it from moving into the open position. The implement is thus safely and securely locked into the handle. When the implement is rotated so that the pin is moved onto the forward side of the apex, past a threshold point, the spring arm returns to its resting position, imparting pressure on and energy to the implement pin to thereby provide opening assist for moving the implement into the fully open position. A lock is provided to securely lock the implement in the open position for use.

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Delta, Canada

Stan Moizis