Handling: hand and hoist-line implements – Hoistline attached load supporting frame – L-frame
Patent
1989-06-19
1990-08-21
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hoistline attached load supporting frame
L-frame
294 675, B66C 122
Patent
active
049500120
ABSTRACT:
This invention is a single suspending device for replacing different types of locomotive engine accessories in a generally easy manner, without the need to adjust the arm(s) of the device, or to forcibly adjust an accessory relative to the arm(s) of the device, during the process of replacing an accessory. Its construction includes a rigid hoisting frame having an outer arm rigidly attached to an upper arm, to which is attached a counterweight and a suspending clevis, the clevis being located central to the center of balance of the accessory being removed. The outer arm has at its lower portion dual points of attachment for a removable lower arm, these points of attachment being for the purpose of changing the clearance between the upper arm and the lower arm, thus increasing the range of applications for the device. The lower arm is an inward reaching boom having an outer portion with an attachment for the rigid frame's outer arm, an elevated inner portion with an attachment for a hoisting sling, and a center portion that rigidly connects the outer portion and elevated inner portion together. The hoisting sling has at its lower extermity an attachment for the accessory being removed, and along its length are several lifting lugs which attach to the elevated inner portion of the lower arm, the spacing of these lugs being for the purpose of allowing for different lengths of hoisting cable to be extended from its attachment point on the lower arm to the particular part being removed.
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