Lightweight excavator dipper with replaceable top and bottom sec

Details Lightweight excavator dipper with replaceable top and bottom sec Lightweight excavator dipper with replaceable top and bottom sec

1991-02-06

1991-11-12

Taylor, Dennis L.

Excavating

Railway graders

Side former

37118A, 37DIG12, 414726, E02F 502

Patent

active

050636944

ABSTRACT:
An excavating dipper for use with power shovels, draglines and the like is fabricated from steel plate and is formed to have a separable bottom body member, which may be replaced when worn. The dipper is of lightweight steel plate construction fabricated into substantially all welded top and bottom body members. The plate members forming the side and bottom walls of the bottom body member are reinforced by longitudinal and transverse girth ribs.

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patent: 4691455 (1987-09-01), Newman
patent: 4939855 (1990-07-01), McCreary, Jr.

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