Brace for maintaining relative arm-dipper angle

Details Brace for maintaining relative arm-dipper angle Brace for maintaining relative arm-dipper angle

1992-07-07

1993-10-12

Reese, Randolph A.

Excavating

Cable-operated

Scoop or bucket

37379, 403 44, 403 46, 414711, 414723, E02F 336

Patent

active

052513890

ABSTRACT:
The invention is an improvement in a machine such as a surface mining "shovel" having an arm, a bucket-like digging dipper and a brace. The latter is used to maintain a selected "rake angle" between the arm and the dipper. The brace has first and second end lugs and extends between the arm and the dipper. The improvement comprises a tube-like collar interposed between and connecting the lugs. At least the first end lug is positionally adjustable with respect to the collar so that the "rake angle" between the arm and the dipper may be readily selected. In a highly preferred embodiment, each end lug is threaded to an opposite end of the collar and better "vernier" adjustment of the rake angle results.

REFERENCES:
patent: 260366 (1882-07-01), Burr
patent: 868595 (1907-10-01), Channon
patent: 1550938 (1925-08-01), Walsh
patent: 1883915 (1932-10-01), Holcomb
patent: 2352585 (1944-06-01), Camburn
patent: 2420363 (1947-05-01), Espenas
patent: 2446624 (1948-10-01), Allison
patent: 2845288 (1958-07-01), Cierpik

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