Tape rule assembly with linear optical encoder for sensing human-readable graduations of length
US-10859363-B2 · Dec 8, 2020 · US
US11168965B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11168965-B2 |
| Application number | US-201916533000-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 6, 2019 |
| Priority date | Aug 6, 2018 |
| Publication date | Nov 9, 2021 |
| Grant date | Nov 9, 2021 |
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A system for cutting narrow workpieces having a track that extends a width between a cutting edge and a non-cutting edge. One or more measuring bodies are connected to a slot adjacent the non-cutting edge that include a measuring bar that extends forward from the front side of the measuring body and under the track as well as extends rearward from the rear side of the measuring body. The measuring bar slides within the measuring body to accommodate the desired workpiece thickness. The measuring bar includes measuring indicia and a measuring member that facilitates measurement of workpiece thickness. Measuring body includes a locking member that locks the measuring bar at a desired thickness. Measuring member may be adjusted to calibrate the measuring member to the track and saw using a locking member. Measuring body also includes a support leg and associated locking mechanism that levels the measuring body.
Opening claim text (preview).
What is claimed: 1. A system for cutting narrow workpieces, comprising: a track; the track extending a length from a first end to a second end; the track extending a width from a cutting edge and a non-cutting edge; the track configured to receive and guide a saw; a first measuring body; the first measuring body having a front side and a rear side; the first measuring body operably connected to the track; the first measuring body having a measuring bar; the measuring bar extending a length from a forward end to a rearward end; the first measuring body having a locking member; the locking member having a wedge; wherein the measuring bar slides with respect to the first measuring body thereby setting a cut length for a workpiece; wherein the wedge operably engages the measuring bar, thereby locking the measuring bar in place at a desired measurement; and wherein the forward end of the measuring bar extends below the track. 2. The system of claim 1 , further comprising an electronic measuring system that provides a digital measurement reading. 3. The system of claim 1 , wherein the locking member includes a fastener, wherein the fastener controls operation of the wedge. 4. The system of claim 1 , wherein when a fastener associated with the wedge is rotated in a first direction, the wedge is pulled into the first measuring body thereby causing engagement of the measuring bar. 5. The system of claim 4 , wherein when a fastener associated with the wedge is rotated in a second direction, the wedge is allowed to move away from the first measuring body thereby causing disengagement of the measuring bar, thereby allowing the measuring bar to move. 6. The system of claim 1 , wherein the wedge indirectly engages the measuring bar, thereby locking the measuring bar in place. 7. The system of claim 1 , wherein the wedge engages an arm that engages the measuring bar, thereby locking the measuring bar in place. 8. The system of claim 1 , further comprising a calibration member connected to the first measuring body, wherein the calibration member facilitates calibration of measuring indicia of the measuring bar to the track. 9. The system of claim 1 , further comprising a calibration member connected to the first measuring body, wherein the calibration member facilitates calibration of measuring indicia of the measuring bar to the track, wherein the calibration member is an adjustable lens. 10. The system of claim 1 , wherein the measuring bar is a single continuous member. 11. The system of claim 1 , further comprising a support, wherein the support adjustably supports the first measuring body at varying heights above a work surface. 12. A system for cutting narrow workpieces, comprising: a track; the track extending a length from a first end to a second end; the track extending a width from a cutting edge and a non-cutting edge; the track configured to receive and guide a saw; a first measuring body; the first measuring body having a front side and a rear side; the first measuring body operably connected to the track; the first measuring body having a measuring bar; the measuring bar extending from a forward end to a rearward end; wherein the measuring bar slides with respect to the first measuring body thereby setting a cut length for a workpiece; a support; the support operably connected to the first measuring body; wherein the support adjusts to position the first measuring body at varying heights above a work surface. 13. The system of claim 12 , wherein the support extends through the first measuring body. 14. The system of claim 12 , wherein the support slides in a vertical manner to set the height of the first measuring body. 15. The system of claim 12 , further comprising a tightening member, wherein the tightening member operably engages the support thereby locking the support in place. 16. The system of claim 12 , further comprising a tightening member, wherein the tightening member operably engages the support thereby locking the support in place, wherein the tightening member includes a threaded shaft that directly engages the support. 17. The system of claim 12 , further comprising the first measuring body having a locking member; the locking member having a wedge; the locking member having a fastener; wherein the fastener causes the wedge to engage the measuring bar, thereby locking the measuring bar in place at a desired measurement. 18. The system of claim 12 , further comprising a calibration member connected to the first measuring body, wherein the calibration member facilitates calibration of measuring indicia of the measuring bar to the track. 19. The system of claim 12 , further comprising a calibration member connected to the first measuring body, wherein the calibration member facilitates calibration of measuring indicia of the measuring bar to the track, wherein the calibration member is an adjustable lens. 20. The system of claim 12 , wherein the measuring bar is a single continuous member. 21. The system of claim 12 , wherein the forward end of the measuring bar extends below the track. 22. A system for cutting narrow workpieces, comprising: a track; the track extending a length from a first end to a second end; the track extending a width from a cutting edge and a non-cutting edge; the track configured to receive and guide a saw; a first measuring body; the first measuring body having a front side and a rear side; the first measuring body operably connected to the track; the first measuring body having a measuring bar; the measuring bar extending from a forward end to a rearward end; the measuring bar having measuring indicia; wherein the measuring bar slides with respect to the first measuring body thereby setting a cut length for a workpiece; a calibration member; the calibration member operably connected to the first measuring body; wherein the calibration member adjusts with respect to the first measuring body, thereby calibrating the measuring indicia of the measuring bar to the track, and wherein the calibration member includes an adjustable member held in place by a fastener. 23. The system of claim 22 , wherein the calibration member is a lens. 24. The system of claim 22 , wherein the calibration member is a reference edge. 25. The system of claim 22 , further comprising a support operably connected to the first measuring body, wherein the support positions the first measuring body at varying heights above a work surface. 26. The system of claim 22 , further comprising the first measuring body having a locking member; the locking member having a wedge; the locking member having a fastener; wherein the fastener causes the wedge to operably engage the measuring bar, thereby locking the measuring bar in place at a desired measurement. 27. The system of claim 22 , wherein the measuring bar is a single continuous member. 28. The system of claim 22 , wherein the forward end of the measuring bar extends below the track. 29. A system for cutting narrow workpieces, comprising: a track; the track extending a length from a first end to a second end; the track extending a width from a cutting edge and a non-cutting edge; the track configured to receive and guide a saw; a first measuring body; the first measuring body having a front side and a rear
Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws · CPC title
Tapes combined with arrangements for functions other than measuring lengths · CPC title
rigid · CPC title
engaging the tape in a direction transversal to the tape itself · CPC title
Separate means for supporting or affixing measuring tapes · CPC title
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