US 2026/0091522 A1Published application

Folding knife blade engagement lock

OwnerAndrew Demkoinventor

Life of this patent

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Abstract

A folding knife having a blade pivoted from a closed position to a manual release open locked position with a combined apertured sliding release and locking arm. The sliding release and locking arm is mounted within the knife handle on a fixed guide pin within an arm opening being spring urged there against. Arm positioning pins extends in oppositely disposed relation to one another from the locking arm providing dual frame engagement within respective guide slots therein. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure. Arm access operation is available secondarily via pin access opening in the exterior handles for alignment operation.

Claims10

Dependent claims

A folding knife comprises,

an elongated handle, an elongated knife blade having a sharp edge portion and an apertured shank portion,
said knife blade coupled within said handle for pivoted movement from a first closed retained position to a second opened locked position, frame handle elements within said handle having exterior handles thereon,
an apertured spring urged locking and release arm within said handle for engagement with said blade shank portion from said first closed retained position to said second blade release to open lock position, locking arm position pin on said locking and release arm registerable within respective openings in said handle frame elements,
a fixed guide pin registerable through said apertured locking and release arm,
tapered upstanding end portion surfaces on said locking and release arm,
a blade shank engagement portion depending from said locking and release arm, said locking arm positioning pins movable from a first blade retainment position to a second blade transition position within said respective openings in said handle frame elements.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/901,765Filed 30 Sep 2024
Published: 2 Apr 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

B26B 1/044
Lockable in adjusted position: by a spring tongue snapping behind or into the tang of the blade from a side part of the handle
B26B 1/04
With pivoted blade: lockable in adjusted position
B26B 1/048
Lockable in adjusted position: with a locking member being slidable or movable along the handle
B26B
Hand-held cutting tools not otherwise provided for

Family

No related US applications are recorded in the indexed filing history.

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