发明公开
EP1604940A2 Field adjustable hook block for a bridge crane 审中-公开
原位einstellbare UnterflaschefüreinenBrückenkran

Field adjustable hook block for a bridge crane
摘要:
A field adjustable block (10) for use with a bridge crane (12) having a rotating cylindrical drum (14) for rope. The block (10) includes a cylindrical center pin (30) having a key way recess (40) parallel to an axis of the center pin (30). An inner side plate (42) has an opening (44) therethrough and an extending key (46) receivable in the key way recess (40) to prevent rotation of the inner side plate (42). Multiple sheaves (50) are receivable over the center pin (30). At least one toroidal spacer (54) is receivable over the center pin (30). A lock washer (58) has an inwardly extending key (60) receivable in the key way recess (40) of the center pin (30) and has a plurality of radially extending tabs (62). A nut (64) has at least one notch (66) to receive one of the extending tabs (62) therein. An outer side plate (70) is removably attached to the inner side plate (42) by fasteners (72).
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