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A pipe cutter includes a body and a cutting wheel unit. The body includes a slot, a transverse slot and a recessed area. The cutting wheel unit includes a shaft, a cutting wheel, a movable member and a resilient member. The shaft is pivotably connected to the transverse slot and includes a flange and an engaging groove. The cutting wheel is received in the slot and is pivotably connected to the shaft. The movable member is movably received in the recessed area and has an engaging portion which is engaged with the engaging groove of the shaft. The resilie...
A pipe cutter includes a body and a cutting wheel unit. The body includes a slot, a transverse slot and a recessed area. The cutting wheel unit includes a shaft, a cutting wheel, a movable member and a resilient member. The shaft is pivotably connected to the transverse slot and includes a flange and an engaging groove. The cutting wheel is received in the slot and is pivotably connected to the shaft. The movable member is movably received in the recessed area and has an engaging portion which is engaged with the engaging groove of the shaft. The resilient member is biased between the recessed area and the movable member so that the shaft is restricted from being disengaging from the transverse slot by the movable member.
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청구항
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1. A pipe cutter comprising: a body having a passage and a transverse slot defined in a first end thereof, the transverse slot communicating with the passage, an axial slot defined axially in a second end of the body and located corresponding to the passage, a transverse hole defined through a wall of the slot, a rail connected between the first and second ends of the body, a recessed area defined in a side of the second end of the body and communicating with the transverse hole, a locking hole defined in an inner bottom of the recessed area, a cap recep...
1. A pipe cutter comprising: a body having a passage and a transverse slot defined in a first end thereof, the transverse slot communicating with the passage, an axial slot defined axially in a second end of the body and located corresponding to the passage, a transverse hole defined through a wall of the slot, a rail connected between the first and second ends of the body, a recessed area defined in a side of the second end of the body and communicating with the transverse hole, a locking hole defined in an inner bottom of the recessed area, a cap reception recess defined in an opening of the recessed area;a cutting wheel unit having a shaft, a cutting wheel, a movable member, a first resilient member, a cap and a pin, the shaft pivotably extending through the transverse hole and having a flange formed on a first end thereof, an engaging groove defined in a second end of the shaft, the cutting wheel located in the axial slot and having an axial protrusion through which the shaft extends, the axial protrusion located between the engaging groove and the flange, the movable member movably received in the recessed area, the movable member having an engaging portion defined in a first end thereof, and a receiving portion defined in a second end thereof, an inner surface of the engaging portion engaged with the engaging groove, a lever extending laterally from a second end thereof, the lever extending beyond the body, the first resilient member received in the receiving portion and being biased between an inner end of the recessed area and the movable member so that the movable member is restricted from being disengaging from the transverse hole, when the lever is pulled to move the movable member to compress the first resilient member, the inner surface of the engaging portion is disengaged from the engaging groove, the cap engaged with the cap reception recess and having a notch with which the shaft is engaged, the cap having a recess and an aperture, the lever extending through the recess, the aperture located corresponding to the locking hole, the pin extending through the aperture and connected to the locking hole to fix the cap to the cap reception recess;a slidable unit having two seats, two axles, two rollers and a locking member, each seat having a sliding slot, two pivotal portions and a connection portion, the rail slidably engaged with the sliding slots, each axle extending through an axial hole of each of the rollers, two ends of each of the axles pivotably connected to the two respective pivotal portions of the two seats such that the two rollers are located corresponding to the cutting wheel, the locking member extending through the two respective connection portions of the two seats to fix the two seats;a threaded rod unit having a threaded rod, a knob and a connector, the knob connected to a first end of the threaded rod which has threads defined in a shank thereof, the shank is rotatably and movable extending through the passage when rotating the knob;a control unit having a controller, a button and a bolt, the controller located on one side of the threaded rod and received in the transverse slot, the controller having a toothed portion which is engaged with the threads of the shank of the threaded rod, an axis of the toothed portion being parallel to an axis of the threaded rod, the controller being restricted from disengaging from the transverse slot by the threaded rod, the controller having a protrusion, the protrusion and the toothed portion located on the same side of the controller, the protrusion having a threaded hole, the button connected to the controller and located in the transverse slot, the button partially extending beyond the body, the button contacting the protrusion, the bolt extending through the button and threadedly connected to the threaded hole of the controller to connect the controller to the button, anda second resilient member received in the transverse slot and biased between an inside of the transverse slot and the controller to engage the toothed portion with the shank, when the button is pushed, the controller moves inward and compresses the second resilient member to disengage the toothed portion from the shank. 2. The pipe cutter as claimed in claim 1, wherein the movable member linearly movable in the recessed area and press the first resilient member when the lever is shifted. 3. The pipe cutter as claimed in claim 1, wherein each of the seats has a first recess and a second recess in one side thereof, the first and second recesses share a common axis, the two respective first recesses of the two seats form a first circular recess, and the two respective second recesses of the two seats form a second circular recess when the two seats are connected to each other, the threaded rod has a head on a second end thereof, a neck is defined in the shank and located beside the head, the head is located in the first recesses, the neck is located in the second recesses. 4. The pipe cutter as claimed in claim 1, wherein each of the seats has two engaging portions, the engaging portions of the two seats are engaged with each other by way of ridge-to-recess when the two seats are connected to each other. 5. The pipe cutter as claimed in claim 1, wherein a cover is engaged with an opening of the transverse slot and includes an oval hole, the button extends through the oval hole, the cover includes a circular hole at a corner thereof, a fixing member extends through the circular hole and is connected to an inside of the transverse slot to fix the cover to the opening of the transverse slot. 6. The pipe cutter as claimed in claim 1, wherein the recessed area has a circular pin hole, the movable member has a circular hole, a pivot extends through the pin hole and the circular hole to pivotably connect the movable member to the pivot. 7. The pipe cutter as claimed in claim 1, wherein the recessed area has a circular pin hole, the movable member has a circular hole, the recess is located on one side of the cap, the cap has a circular pivotal hole which is located corresponding to the pin hole and the circular hole, a pivot extends through the pin hole, the circular hole and the pivotal hole to pivotably connect the movable member to the pivot. 8. The pipe cutter as claimed in claim 1, wherein the knob has a room defined in a distal end thereof, extra cutting wheels are located in the room, an end piece seals the room.
