Cutter tooth for suction dredgers

- Aktiebolaget Bofors
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Description

FIG. 1 is an oblique front view of a cutter tooth for suction dredgers showing our new design; and

FIG. 2 is an oblique rear view thereof, showing the side as in FIG. 1; and

FIG. 3 is an oblique rear view thereof, showing the bottom side opposite to FIG. 1.

Referenced Cited
U.S. Patent Documents
2238081 April 1941 Soberanes
2256488 September 1941 Murtaugh
4205469 June 3, 1980 Johansson et al.
Foreign Patent Documents
1091740 November 1967 GBX
Patent History
Patent number: D271495
Type: Grant
Filed: Dec 29, 1980
Date of Patent: Nov 22, 1983
Assignee: Aktiebolaget Bofors (Bofors)
Inventors: Torsten Larsson (Karlskoga), Arne Johansson (Karlskoga)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay, Jr.
Law Firm: Pollock, Vande Sande & Priddy
Application Number: 6/220,384
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)
International Classification: D1504;