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Bench Vise with Parallel Double Slide: Grimmitt, 1879

Thomas Grimmitt (US Patent 214,907) · Public domain (expired patent)

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Forge

12. 10월 2026

Bench Vise with Parallel Double Slide: Grimmitt, 1879

Thomas Grimmitt of Rockford, Illinois, patented this bench vise in 1879, US 214,907. The fixed jaw is bolted to the bench by a plate formed on its back. The movable jaw is fixed to the open ends of a U-shaped double slide whose arms pass through both jaws, so the two jaws always stay exactly parallel. A screw with a sliding lever handle, swivelled to the slide, works in a nut in the fixed jaw and moves the front jaw both ways. Detachable notched wooden jaws slip over the slide and screw to hold rectangular or round work, and the vise can be fitted on top of the bench for carriage and wagon work or reversed underneath for carpenters' and cabinet-makers' work.

중급

Workshop process

안내

Jaws and plate

Make the inner jaw with a plate formed on its rear side, holed for the bolts that secure it to the bench, and the outer movable jaw of the same general form. Make both jaws double, so the plate can be fixed to the top of the bench or, reversed, to its underside with the lower jaw ends flush with the bench top.

이 단계의 재료:

작업대 판이 있는 고정 바이스 조1 개

바이스 가동 조1 개

필요한 도구:

탁상 드릴

드릴 비트 세트

줄 (손줄)

Double slide

Pass the arms of the U-shaped double slide through holes in both jaws and secure their ends to the outer jaw with nuts, so the outer jaw is always held exactly parallel to the inner one.

이 단계의 재료:

U자형 이중 슬라이드1 개

필요한 도구:

멍키스패너

Screw and nut

Pass the screw through a hole in both jaws midway between the slide's arms, swivel its forward end to the slide at the centre of its bend, and slide a lever handle through its outer head. The screw works in a nut set in a cross-notch at the back of the inner jaw, held by a dovetailed plate slid into the notch's sides.

이 단계의 재료:

미끄럼 레버 손잡이가 있는 바이스 나사1 개

더브테일 판이 있는 바이스 너트1 개

필요한 도구:

줄 (손줄)

멍키스패너

Wooden jaws

Slot the wooden jaws from their lower ends so they slip down over the slide's arms and the screw between the metal jaws. Notch their faces for rectangular or round work, and hold them to the metal jaws with hooks pivoted on the metal jaws' side edges that catch screws or pins on the wooden jaws.

이 단계의 재료: