stretcher bar


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stretcher bar

[′strech·ər ‚bär]
(mining engineering)
A single screw column, capable of holding one machine drill; used in small drifts.
References in periodicals archive ?
If you look closely at that gap, you will see that the base of the triangle even bends around the stretcher bar and travels into that wafer-thin space.
With SOLID Construction, the "stretcher bar" that connects the two opposing sides of the rim is wider to overlap the pin block, which is fitted to the iron plate.
The stretcher bar frames are manufactured in their facility which allows for a much faster turnaround of orders and in any size.
The RAIB said that the points were in anunsafe condition through a combination of failures of the three stretcher bars and the lock stretcher bar and their fastenings.
An official report into the derailment revealed the worker left the line a few hundred yards before he got to the critical stretcher bar system.
An official report revealed he left the track before he got to the stretcher bar system that derailed a 95mph Virgin Pendolino train.
At Potters Bar there were nuts missing from a set of points and the lock stretcher bar was fractured.
Just my presence, which is as much or as little physicality as that bare canvas in the background or that table or that stretcher bar. It's just me in my studio and a self-portrait A presence of myself in here, where I always am.
The company revealed there was evidence of a fracture in a front stretcher bar - one of the supports on a point system, just south of the station - that caused nuts holding them in place to shear off.
"But initial evidence suggests that nuts that held two other supports in place were detached from the points which resulted in the front stretcher bar bearing all the stress and finally breaking under pressure."
We must find out what caused this fracture in the front stretcher bar. That is the key.
The company is being charged under section 3(1) of the 1974 Health and Safety at Work Act due to a "failure to provide and implement suitable and sufficient standards, procedures, guidance, training, tools and resources for the inspection and maintenance of fixed stretcher bar points".