backspring

backspring

[′bak‚spriŋ]
(naval architecture)
A heavy line extending forward at an acute angle with a ship from the stern or midships to a wharf.
References in periodicals archive ?
75 inches fully open--doesn't have the ubiquitous backspring found on typical slipjoints, instead incorporating a fin on the spine of the folder's Titanium frame.
He did away with the external release tab and hid it within the frame, ditched the backspring and replaced it with a blade stop, and added an internal ball bearing detent on the blade tang to keep the blade closed inside the handle.
irreversible hydrolysis, the condensation reaction, polymerization, is prevented because of the elastic backspring of the chain parts;
We just called them "pocketknives"--simple non-locking folding knives you just threw in your pocket with loose change, and when you wanted to close the blade you simply pushed it forward from the backside, overcoming the backspring and returning it to the handle.