. Canadian foundryman (1921). the threads;a decided advantage over other vises. The first illustration shows the vise inits normal position with the jaws flushwith the bench top, while the secondillustrates the vise man upright positionhaving the jaws horizontal, with theangle jaw in position. This angle jawis detachable and used for small irre-gular shaped pieces. The locking bar,it will be noticed is flat and not round,which prevents slipping of the visewhen set up in any position from 0 to 90degrees. 30 CANADIAN FOUNDRYMAN Vol. XII The Industrial Crawling Tractor Crane A Crane Which Crawls
. Canadian foundryman (1921). the threads;a decided advantage over other vises. The first illustration shows the vise inits normal position with the jaws flushwith the bench top, while the secondillustrates the vise man upright positionhaving the jaws horizontal, with theangle jaw in position. This angle jawis detachable and used for small irre-gular shaped pieces. The locking bar,it will be noticed is flat and not round,which prevents slipping of the visewhen set up in any position from 0 to 90degrees. 30 CANADIAN FOUNDRYMAN Vol. XII The Industrial Crawling Tractor Crane A Crane Which Crawls Without the Necessity Of Tracks, Making it Especially Useful in the Foundry Business The crawling tractor crane illustrat-ed in the accompanying views has beendeveloped by the Industrial Works,Bay City, Michigan, to meet the needfor a full-revolving tractor crane which quirements of the operator and every-thing arranged with a view to makingthe operation and maintenance of thecrane as easy and convenient as pos-sible. TN8C-*. Industrial crawling tractor crane handling pig-iron with magnet. Note unobstructive viewwhich the operator has of the work. can be operated independently of rails. These cranes are adapted to the needsof road contractors, coal dealers, gravel,sand and stone producers, and moderate-sized manufacturing plants, their capa-city and speed making them ideallysuited for doing such jobs as movingcoal, sand, gravel, etc., and for ex-cavating- duty, but it is their usefulnessin connection with the foundry businesswh;ch is of most interest. Within thelimits of their capacity they will servewith the same efficiency as the railroadcrane. The maximum utilization of yardstorage space is realized with the useof these cranes because their field ofusefulness is not limited by railroadtracks as is the case with the railroadcrane. They can be equipped to handlea hook and block, grab bucket, dragscraper bucket, wood grapple, electriclifting magnet, shovel dipper and piledriver
Size: 1780px × 1404px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectfoundri, bookyear1921
