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US 9,796,033 B2Granted
Portable compact threading machine
AssigneeRidge Tool Company
InventorsRichard M. Kundracik, Glen R. Chartier, Qi Zhou
Life of this patent
Estimating the term…
Abstract
A powered threading machine is described. The threading machine is compact and portable. The threading machine includes a tube frame having a rearward wheel assembly and an extendable handle at the front of the machine. A particular sump configuration is used to prevent loss of cutting oil during operation and transport of the machine.
Claims18
A threading machine comprising:
- a frame defining a front portion and a rear portion;
- a powered assembly for rotating a workpiece, the powered assembly including (i) an electric motor;
- (ii) holding provisions to hold a workpiece, and (iii) a drive assembly for transferring rotary power from the motor to the holding provisions, the powered assembly being supported by the frame;
- one or more wheels rotatably engaged proximate the rear portion of the frame;
- an oil sump for retaining cutting oil, the oil sump defining an open upwardly directed face;
- at least one transport sump compartment for retaining cutting oil, the transport sump compartment including a top wall enclosing the transport sump;
- wherein the oil sump and the at least one transport sump compartment are in fluid communication with each other, the at least one transport sump compartment disposed rearwardly of the oil sump.
4 more elements
A compact portable threading machine positionable between an operational position and an inclined transport position, the machine comprising:
- a frame defining a front portion and a rear portion;
- a powered assembly for rotating a workpiece, the powered assembly including (i) an electric motor, (ii) holding provisions to hold a workpiece, and (iii) a drive assembly for transferring rotary power from the motor to the holding provisions;
- an oil sump assembly for retaining cutting oil and including a main sump compartment which retains at least a portion of the cutting oil when the machine is in the operational position, and at least one transport sump compartment which retains substantially all of the cutting oil when the machine is in the transport position, wherein the transport sump compartment includes a top wall that encloses the transport sump compartment and the transport sump compartment is disposed rearwardly of the main sump compartment.
A compact portable threading machine comprising:
- an extendable frame assembly including a first frame section and a pivotally attached second frame section, the first frame section including a pair of wheels and the second frame section including a pair of handles;
- a powered assembly for rotating a workpiece, the powered assembly including (i) an electric motor, (ii) holding provisions for holding a workpiece, and (iii) a drive assembly for transferring rotary power from the motor to the holding provisions, the powered assembly supported by the extendable frame assembly;
- a multi-compartment sump system including (i) a main sump portion having an open upwardly directed face, and (ii) at least one transport sump disposed rearwardly of the main sump portion, the transport sump portion having a top wall enclosing the transport sump portion;
- wherein the machine is positionable between (i) an operational position and (ii) an inclined transport position.
1 more element
Dependencies are inferred from the claim text.