Excavating – Digging edge
Patent
1995-06-16
1996-03-05
Nicholson, Eric K.
Excavating
Digging edge
37904, 37379, E02F 336
Patent
active
054956854
ABSTRACT:
A characteristic feature of the invention lies in that the striking and sic teeth are so arranged on the working edge of the bucket that the distance between the axes of the striking teeth is (3.5-4.5)b while the distance from the working edge to the blade of the striking tooth exceeds the distance from said edge to the blade of the static tooth by (1-3) b where b=width of blade of the striking tooth.
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patent: 3328904 (1967-07-01), Voigt et al.
patent: 4625438 (1986-12-01), Mozer
patent: 4704812 (1987-11-01), Paramore
patent: 4959915 (1990-10-01), Roussin et al.
patent: 5172498 (1992-12-01), Wack
Boiko Genrikh K.
Labutin Viktor N.
Mattis Alfred R.
Shishaev Sergei V.
Tolmachev Alexandr V.
Institut Gornogo Delsa Sibirskogo Otdelenia Akademii Nauk SSSR
Nicholson Eric K.
Proizvodstvennoe Obidinenie Uralmash
Warnick Spencer
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