초록 ▼

A pipe-cutting tool is provided. This tool includes a body; a track on the middle portion of the body; a first moveable carriage mounted on the track, wherein the first carriage includes first and second rollers mounted therein; a handle mounted in the rear portion of the body, wherein the handle is

A pipe-cutting tool is provided. This tool includes a body; a track on the middle portion of the body; a first moveable carriage mounted on the track, wherein the first carriage includes first and second rollers mounted therein; a handle mounted in the rear portion of the body, wherein the handle is connected to the first moveable carriage; a second moveable carriage slidably mounted on the track, wherein the second moveable carriage further includes a rotatable cutting blade mounted therein; a carriage stop mounted on or formed integrally with on the front portion of the body, wherein the carriage stop is adapted to receive therein a portion of the second moveable carriage; and a biasing member mounted between the carriage stop and the second moveable carriage, wherein the biasing member exerts substantially continuous force on the second moveable carriage for urging the rotatable cutting blade against a pipe being cut.

대표청구항 ▼

1. A pipe-cutting tool, comprising: (a) a body having a rear portion, a middle portion, and a front portion;(b) a track attached to or formed integrally with the middle portion of the body;(c) a first moveable carriage, the position of which on the track is manually adjustable, slidably mounted on t

1. A pipe-cutting tool, comprising: (a) a body having a rear portion, a middle portion, and a front portion;(b) a track attached to or formed integrally with the middle portion of the body;(c) a first moveable carriage, the position of which on the track is manually adjustable, slidably mounted on the track, wherein the first moveable carriage further includes a first roller and a second roller mounted therein;(d) a handle mounted in the rear portion of the body, wherein the handle is connected to the first moveable carriage, and wherein turning the handle in one direction causes the first moveable carriage to travel toward the rear portion of the body and turning the handle in the opposite direction causes the first moveable carriage to travel toward the front portion of the body;(e) a second moveable carriage, the position of which on the track is not manually adjustable, slidably mounted on the track, wherein the second moveable carriage further includes a rotatable cutting blade mounted therein, and wherein the rotatable cutting blade is adapted to cooperate with the first and second rollers to receive and cut a length of pipe;(f) a carriage stop mounted on or formed integrally with the front portion of the body, wherein the carriage stop is adapted to receive therein a portion of the second moveable carriage; and(g) a biasing member mounted between the carriage stop and the second moveable carriage, wherein the biasing member exerts substantially continuous force on the second moveable carriage for continuously urging the rotatable cutting blade against a pipe being cut until the cutting process is complete. 2. The pipe cutting tool of claim 1, wherein the first moveable carriage further comprises a housing, and wherein the first and second rollers are mounted within the housing. 3. The pipe cutting tool of claim 2, wherein the housing further includes a first portion and a second portion, and wherein the first and second portions are detachable from one another for accessing the interior of the first moveable carriage and replacing the rollers. 4. The pipe cutting tool of claim 1, wherein the handle further includes: a gripping device; and a threaded connector attached to the gripping device at one end thereof and to the first moveable carriage at the other end thereof, and wherein the threaded connector passes through the read portion of the body of the pipe cutting tool. 5. The pipe cutting tool of claim 1, wherein the second moveable carriage further comprises a housing, and wherein the rotatable cutting blade is mounted within the housing. 6. The pipe cutting tool of claim 5, wherein the housing further includes a first portion and a second portion, and wherein the first and second portions are detachable from one another for accessing the interior of the second movable carriage and replacing the rotatable cutting blade. 7. The pipe cutting tool of claim 1, wherein the carriage stop further comprises a removable cap for accessing the interior of the carriage stop and replacing the biasing member. 8. A pipe-cutting tool, comprising: (a) a rigid body having a rear portion, a middle portion, and a front portion;(b) a track attached to or formed integrally with the middle portion of the body;(c) a first moveable carriage, the position of which on the track is manually adjustable, slidably mounted on the track, wherein the first moveable carriage further includes a first housing, and wherein a first roller and a second roller are rotatably mounted in the first housing;(d) a handle mounted in the rear portion of the body, wherein the handle is connected to the first moveable carriage, and wherein turning the handle in one direction causes the first moveable carriage to travel toward the rear portion of the body and turning the handle in the opposite direction causes the first moveable carriage to travel toward the front portion of the body;(e) a second moveable carriage, the position of which on the track is not manually adjustable, slidably mounted on the track, wherein the second moveable carriage further includes a second housing and wherein a rotatable cutting blade is mounted in the second housing, and wherein the rotatable cutting blade is adapted to cooperate with the first and second rollers to receive and cut a length of tubing or pipe;(f) a carriage stop mounted on or formed integrally with the front portion of the body, wherein the carriage stop is adapted to receive therein a portion of the housing of the second moveable carriage; and(g) a biasing member mounted between the carriage stop and the second moveable carriage, wherein the biasing member exerts substantially continuous force on the second moveable carriage for continuously urging the rotatable cutting blade against a pipe being cut until the cutting process is complete. 9. The pipe cutting tool of claim 8, wherein the first housing further includes a first portion and a second portion, and wherein the first and second portions are detachable from one another for accessing the interior of the first moveable carriage and replacing the rollers. 10. The pipe cutting tool of claim 8, wherein the handle further includes: a gripping device; and a threaded connector attached to the gripping device at one end thereof and to the first moveable carriage at the other end thereof, and wherein the threaded connector passes through the read portion of the body of the pipe cutting tool. 11. The pipe cutting tool of claim 8, wherein the second housing further includes a first portion and a second portion, and wherein the first and second portions are detachable from one another for accessing the interior of the second movable carriage and replacing the rotatable cutting blade. 12. The pipe cutting tool of claim 8, wherein the carriage stop further comprises a removable cap for accessing the interior of the carriage stop and replacing the biasing member. 13. The pipe cutting tool of claim 8, wherein the pipe cutting tool further includes cast components, machined components, or a combination thereof. 14. A method for cutting a length of tubing or pipe, comprising: (a) providing a cutting tool, wherein the cutting tool further includes: (i) a body having a rear portion, a middle portion, and a front portion;(ii) a track attached to or formed integrally with the middle portion of the body;(iii) a first moveable carriage, the position of which on the track is manually adjustable, slidably mounted on the track, wherein the first moveable carriage further includes a housing, and wherein a first roller and a second roller are rotatably mounted in the housing;(iv) a handle mounted in the rear portion of the body, wherein the handle is connected to the first moveable carriage, and wherein turning the handle in one direction causes the first moveable carriage to travel toward the rear portion of the body and turning the handle in the opposite direction causes the first moveable carriage to travel toward the front portion of the body;(v) a second moveable carriage, the position of which on the track is not manually adjustable, slidably mounted on the track, wherein the second moveable carriage further includes a housing and wherein a rotatable cutting blade is mounted in the housing, and wherein the rotatable cutting blade is adapted to cooperate with the first and second rollers to receive and cut a length of tubing or pipe;(vi) a carriage stop mounted on or formed integrally with en the front portion of the body, wherein the carriage stop is adapted to receive therein a portion of the housing of the second moveable carriage; and(vii) a biasing member mounted between the carriage stop and the second moveable carriage, wherein the biasing member exerts substantially continuous force on the second moveable carriage; and(b) inserting a length of tubing or pipe into the cutting tool between the first and second rollers and the rotatable cutting blade;(c) turning the handle to tighten the first moveable carriage against the length of tubing or pipe;(d) rotating the entire cutting tool around the length of tubing or pipe to engage the rotatable cutting blade; and(e) continuing to rotate the cutting tool until the rotatable cutting blade has cut completely through the length of tubing or piping. 15. The method of claim 14, wherein the first housing further includes a first portion and a second portion, and wherein the first and second portions are detachable from one another for accessing the interior of the first moveable carriage and replacing the rollers. 16. The method of claim 14, wherein the handle further includes: a gripping device; and a threaded connector attached to the gripping device at one end thereof and to the first moveable carriage at the other end thereof, and wherein the threaded connector passes through the read portion of the body of the pipe cutting tool. 17. The method of claim 14, wherein the second housing further includes a first portion and a second portion, and wherein the first and second portions are detachable from one another for accessing the interior of the second movable carriage and replacing the rotatable cutting blade. 18. The method of claim 14, wherein the carriage stop further comprises a removable cap for accessing the interior of the carriage stop and replacing the biasing member.