Rotatable bit cartridge
AssigneeThe Sollami Company
InventorPhillip Sollami
Life of this patent
Estimating the term…
Abstract
A rotatable bit cartridge that can be inserted and removed from permanently mounted cutter bodies, bit holders, and/or picks and are used until replacement of the cutter body, bit holder, and/or pick is required. The rotatable bit cartridge may include a forward end with a brazed diamond coated, layered, and/or diamond table bit tip insert or a brazed tungsten carbide bit tip insert. The rotatable bit includes a body that includes a generally cylindrical and/or a tapered first bore extending axially inwardly from a forward end of the body and a bit tip insert comprising a tip and a base subjacent the tip, a portion of the base adjacent a distal end of the bit tip insert disposed within the first bore of the body.
Claims48
A rotatable bit comprising:
- a body comprising a one of a generally cylindrical and a tapered first bore extending axially inwardly from a forward end of the body;
- a bit tip insert comprising a tip and a base subjacent the tip, a portion of the base adjacent a distal end of the bit tip insert disposed within the first bore of the body;
- an annular groove disposed circumferentially around an outer surface of the body adjacent a distal end of the body, the annular groove including an outer diameter less than an outer diameter of the body;
- and
- a retainer disposed circumferentially around the annular groove of the body, the retainer rotatable about a longitudinal axis of the body, the retainer comprising one of a dimpled sidewall including at least one dimple on an outer surface of the dimpled sidewall and a straight sidewall, the dimpled sidewall and the straight sidewall comprising one of a constant axial length and a variable axial length.
A rotatable bit comprising:
- a body comprising a one of a generally cylindrical and a tapered first bore extending axially inwardly from a forward end of the body;
- a bit tip insert comprising a tip and a base subjacent the tip, a portion of the base adjacent a distal end of the bit tip insert disposed within the first bore of the body;
- a second bore extending axially inwardly from a distal end of the body;
- and
- at least one of a pin comprising a forward end disposed within the second bore of the body and a magnet disposed within the second bore of the body.
A bit holder comprising:
- a body comprising a first bore extending inwardly from a forward end of the body, the first bore comprising a plurality of sections;
- a shank axially depending from a bottom of the body;
- a forward extension subjacent the forward end of the body, the first bore axially extending from the forward end of the body through the forward extension;
- an annular trough laterally extending from a distal end of the forward extension;
- and
- an annular ring disposed around the forward extension and seated in the annular trough of the body.
Dependencies are inferred from the claim text.