wall crane

wall crane

[′wȯl ‚krān]
(mechanical engineering)
A jib crane mounted on a wall.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

wall crane

A crane having a horizontal arm (with or without a trolley); supported from a sidewall or line of columns of a building; has a maximum swing of a half circle.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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"New quay wall cranes were commissioned, adding another 45 tonnes of total lifting capacity to the yard and bringing the quay wall in line with leading berth infrastructure standards.
The high roofed erecting shops could present a particular hazard in that the wall cranes were tracked directly beneath the high level gantry cranes where it was not unlikely to expect an odd collision or entanglement with the respective upper and lower suspended loads or with the cantilevered structure of the wall cranes.