Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Tooth mounted on helical head portion or head with helical...
Patent
1979-06-11
1982-07-20
Purser, Ernest R.
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Tooth mounted on helical head portion or head with helical...
299 39, 51176, 125 4, 172119, E01C 2309
Patent
active
043402569
ABSTRACT:
A shaft carries helically wound support surfaces for retaining cutter segments, such as diamond cutters, in a helical path. Oppositely wound helices extend continuously from the center to a limit position on each side of the cutter head. Each of the support surfaces is disposed in a direction substantially perpendicular to an extended surface to be cut or planed so as to provide a cut in the extended surface with a minimal force and without any side skipping of the cutter segments. Double wound helices provide a backup segment in the same plane and a natural balancing effect. Each of the helices in each double wound helix is uniformly spaced from the other double wound helix and is terminated at the same position at the center and at the limit position as the other helix but may be angularly displaced from the other helix by an angle of 90.degree. at the center and 180.degree. at the limit position. The cutter segments may be disposed on the helices in a balanced relationship. For example, pairs of cutter segments may be disposed on the helices in a double winding having a particular relationship, such as a diametrically opposed relationship, in a plane substantially perpendicular to the axis of the helices. Furthermore, the cutter segments may be disposed in staggered relationship on progressive turns of the helices to define a helix transverse to the helices in the double winding but having the same axis as the helices of the double winding.
REFERENCES:
patent: 2823023 (1958-02-01), Hlinsky
patent: 3069816 (1962-12-01), Pratt et al.
patent: 3343308 (1967-09-01), Fessel
patent: 3560050 (1971-02-01), Lockwood
patent: 3827755 (1974-08-01), Allen
patent: 3860291 (1975-01-01), Rauch et al.
patent: 4022286 (1977-05-01), Gill
Purser Ernest R.
Roston Ellsworth R.
Schwartz Charles H.
LandOfFree
Diamond planar cutter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Diamond planar cutter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diamond planar cutter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-247180