Portable wood log splitter
OwnerTomas Chlapekinventor
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a portable wood log splitter comprising a power unit and a work tool. The power unit comprises an engine and a gear box while the work tool comprises a drive shaft having a spreading mechanism and a splitting threaded cone. In some embodiments, the work tool is releasable from an output shaft of the gear box. The drive shaft of the work tool is hollow and provided with a thread on the outer circumference to drive the spreading mechanism. A nut with a toothed disc resides on the thread and able to shift in the axial direction of the drive shaft rotation axis due to rotation of the drive shaft. In operation, the splitting threaded cone is driven by force of the power unit to initially fracture a log, then using the spreading mechanism, the portions of the split log are fully separated under power.
Claims19
A portable wood log splitter comprising:
- a power unit;
- said power unit having an engine and a gearbox;
- said gearbox including a gearbox output shaft;
- a work tool;
- said work tool including a drive shaft;
- a spreading mechanism;
- said spreading mechanism mounted on a first end of said drive shaft;
- a splitting threaded cone;
- said drive shaft comprising said splitting threaded cone coupled at a second end of said drive shaft;
- wherein an outer circumference of said splitting threaded cone having a threaded profile;
- said work tool releasably coupled to said gearbox output shaft;
- said spreading mechanism having a nut and a toothed disc;
- said nut having said toothed disc on an one end of said nut;
- said drive shaft extending through said nut;
- said nut with said toothed disc translatable axially when said drive shaft rotated;
- a freely rotating circular disc;
- said freely rotating circular disc positioned between said gear box output shaft and said toothed disc;
- an end stud;
- said end stud coupled to said drive shaft;
- said end stud releasably connected to said splitting threaded cone;
- a telescopic spiral spring;
- said telescopic spiral spring encircling said drive shaft;
- and
- said telescopic spiral spring biasing said nut and toothed disc towards said gearbox.
A portable wood log splitter comprising:
- a power unit;
- a gear box;
- said gear box coupled to said power unit;
- a work tool;
- said work tool having a drive shaft;
- said drive shaft coupled to said gear box;
- said drive shaft having a drive shaft thread on an outer circumference of said drive shaft;
- a splitting threaded cone;
- said splitting threaded cone coupled to one end of said drive shaft and operable to fracture a log when driven into said log under a power transmitted from said power unit thereby producing fractured logs;
- a spreading mechanism;
- said spreading mechanism having a nut and a toothed disc;
- said nut fixed to said toothed disc;
- a freely rotating circular disc;
- and
- wherein said nut with said toothed disc translates down said drive shaft thread causing consequent separation between said freely rotating circular disc and said toothed disc and thereby operable to separate said fractured logs when said toothed disc and said freely rotating circular disc are placed in the fracture of said fractured log.
Dependencies are inferred from the claim text.