Dual handle safety folding knife
View Patent ↗An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.
1. A dual handle folding knife comprising, an elongated blade having a bifurcated shank portion with multiple spring engagement surfaces thereon,
a pair of elongated handle portions pivotally secured to said respective blade shank portions by pivots,
said handle portions having an elongated spring plate respectively secured thereto,
the multiple engagement surfaces of said shank portion are tapered in respect to one another,
each spring plate having contoured end portion registerable on said respective opposing tapered spring engagement surfaces and said end portions registerable on said respective opposing tapered spring engagement surfaces are in equilateral alignment with said respective pivots while the blade is in open locked position and handle in close locked position,
a blade stop extension, wherein spaced inwardly from said shank portion on one of said spring plates, for spacing a cutting surface of said blade from said registering handle portion in close locked position, one of said spring plates inter-engaging between said handle portions when in blade open locked position.
2. The dual handle knife set forth in claim 1 wherein said spring plate for interengaging between said handle portions when in in blade open locked position comprises,
the contoured end portion of one of said spring plates in oppositely disposed relation to said shank engagement portion registerable within said adjacent handle portion.