Excavating – Digging edge – Tooth or adaptor
Reexamination Certificate
2007-05-22
2007-05-22
Novosad, Christopher J. (Department: 3641)
Excavating
Digging edge
Tooth or adaptor
C172S753000, C172S772500, C403S031000
Reexamination Certificate
active
10343787
ABSTRACT:
An attachment system for connecting a first member such as a lip plate (12) of a mechanical digging device to a second member such as a ground engaging tool (10). The first member has a lug portion (22) attached thereto the second member has a recess (50) arranged, in use, about the lug portion. A clamping member (60) is disposed between the lug portion (22) and the second member (10) such that the supply of pressure to the clamping member (60) acts to restrain disengagement of the second member (10) from the lug portion (22).
REFERENCES:
patent: 5579594 (1996-12-01), Pasqualini et al.
patent: 5926982 (1999-07-01), Keech et al.
patent: 41363/85 (1985-10-01), None
patent: 74126/94 (1995-05-01), None
Kinberg Robert
Lepping Kavita B.
Novosad Christopher J.
Shark Abrasion Systems Pty. Ltd.
Venable LLP
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