Clamp, Joiner's

Description

Joiner's clamp of birch (bar and jaws), maple (vise screw), hickory (vise handle), and iron. Bar is 2" x 2 13/16" x 75 1/4" and is secured to a fixed jaw 2 5/8" x 3 7/16" x 8 9/16" by a forged iron bolt extending through the jaw and into the center of the bar end to 3 1/4" from inside jaw face to a captured nut in the bar. The bar is mortised into the jaw face as well. Just above the top of the bar, a 2" diameter tapped hole provides for a 2" diameter wooden screw which engages a 2" x 2 1/2" x 7 1/2" birch block that slides within an iron channel. The screw end has a turned indentation that is locked into the moving block by an iron "garter", an iron pin driven through the block so as to hold the screw. A moveable jaw serves as a stop which has a U-shaped, forged iron catch bolted to the haw and around the bar. A series of V-notches are cut into the underside of the bar which this iron shackle can be fit into to lock the moveable jaw at the desired position.