.~.~ Including means to control digging, hoisting, and dumping
DEFINITION
Classification: 37/396
Including means to control digging, hoisting, and dumping:
(under subclass 395) Apparatus wherein the hauling and hoisting wires are manipulated by a spring, latch, control briddle, draft briddle, toggle mechanism, or similar implement to regulate loading and unloading operations. [figure] [caption]A - Bucket hood; B - Bucket; C - Loading chain; D - Bucket forward end; E - Connecting means for hoist chain and bucket; F -; Hoist chain; G, K - Bucket trunions; H - Check line; J - Hoist line to boom; L - Supplementary control cable; M - Pulley block; N - Dragline
SEE OR SEARCH CLASS
212, Traversing Hoists,
167, for a traversing hoist with a haul-in line; subclass 239 for means to swing boom vertically having a flexible cable.
254, Implements or Apparatus for Applying Pushing or Pulling Force,
264+, for a power transmitting pulley and a rope or belt in either drive or in cable return means and a device or member for contacting and guiding a moving cable.
414, Material or Article Handling,
142.9, for loading or unloading on a marine vessel by use of a hoist line having a scoop or scraper.