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US4869142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desk-top circular saw
Assignee: Koki Holdings Co Ltd
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Filing: 1987-11-27
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Granted: 1989-09-26
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Expires: 2007-11-27
Abstract
Abstract A desk-top cutter with a saw blade inclining mechanism, including a turntable rotatably provided on an upper surface of a base, a fence disposed above the turntable for supporting a workpiece on the upper surface of the base, a holder supported inclinably relative to the upper surface of the turntable at the rear end thereof, a slide shaft slidable back and forth at an upper end of the holder substantially parallel to the upper surface of the base, a hinge provided at a forward end of the slide shaft, a motor and a saw blade, and a saw cover covering an upper half of the saw blade. The motor is rotatably supported vertically at an upper end of the hinge. A safety cover provided in the saw cover and rotatable around a support provided at the rear portion of the saw cover guards the lower half of the saw blade. The safety cover includes a pair of lower cover members mounted so that end portions of the lower cover members can be rotated upwardly irrespective of the cover holder.
Inventors
- 👤 Masayuki Sato
- 👤 Shigeharu Ushiwata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:19
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/04; B23D45/042; B23D45/044; B23D45/046; B27; B27G; B27G19/00; B27G19/02; B27G19/025; B27G5/00; B27G5/02; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7593; Y10T83/7607; Y10T83/7613; Y10T83/762; Y10T83/768; Y10T83/7684; Y10T83/7693; Y10T83/7697; Y10T83/7755; Y10T83/7763; Y10T83/7768; Y10T83/7772; Y10T83/7788; Y10T83/869; Y10T83/8773; Y10T83/8776; Y10T83/8785; Y10T83/8786
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
191 words
A desk-top cutter with a saw blade inclining mechanism, comprising; a turntable rotatably provided on an upper surface of a base; a fence disposed above the turntable for supporting a workpiece on the upper surface of the base; a holder inclinably supported relative to the upper surface of the turntable at the rear end thereof; a slide shaft slidable back and forth at an upper end of the holder substantially parallel to the upper surface of the base; a hinge provide at a forward end of the slide shaft; a motor and a circular saw blade driven by the motor, a drive for the blade and a saw cover covering an upper half of the saw blade, the motor being rotatably supported vertically at an upper end of the hinge; and a safety cover provided in the saw cover and rotatable around a support provided at the rear portion of the saw cover for guarding the lower half of the saw blade, said safety cover comprising a pair of lower cover members mounted so that end portions of said lower cover members can be rotated upwardly independently of the cover holder.
Claim 2
Dependent Claim
191 words
A desk-top cutter with a saw blade inclining mechanism, comprising; a turntable rotatably provided on an upper surface of a base; a fence disposed above the turntable for supporting a workpiece on the upper surface of the base; a holder inclinably supported relative to the upper surface of the turntable at the rear end thereof; a slide shaft slidable back and forth at an upper end of the holder substantially parallel to the upper surface of the base; a hinge provide at a forward end of the slide shaft; a motor and a circular saw blade driven by the motor, a drive for the blade and a saw cover covering an upper half of the saw blade, the motor being rotatably supported vertically at an upper end of the hinge; and a safety cover provided in the saw cover and rotatable around a support provided at the rear portion of the saw cover for guarding the lower half of the saw blade, said safety cover comprising a pair of lower cover members mounted so that end portions of said lower cover members can be rotated upwardly independently of the cover holder.
Claim 3
Dependent Claim
160 words
An ink line aligning apparatus in a desk-top cutter, comprising: a holder inclinably supported in a vertical direction relative to an upper surface of a base of a rear portion of a turntable supported rotatably on said base; a slide shaft slidable back and forth at an upper end of said holder substantially parallel to the upper surface of said base; a hinge provided at a forward end of said slide shaft; a motor rotatably supported relative to said base by an upper part of said hinge; a fence fixed to an upper surface of said base for supporting a workpiece; a saw blade rotated by said motor; and a guard mounted on a forward end of said holder and movable back and forth thereon and comprising means for fixing said guard in position, said guard being of a material readily cuttable by said saw blade to form a slot for receiving said saw blade as said motor is moved.
Claim 4
Dependent Claim
160 words
An ink line aligning apparatus in a desk-top cutter, comprising: a holder inclinably supported in a vertical direction relative to an upper surface of a base of a rear portion of a turntable supported rotatably on said base; a slide shaft slidable back and forth at an upper end of said holder substantially parallel to the upper surface of said base; a hinge provided at a forward end of said slide shaft; a motor rotatably supported relative to said base by an upper part of said hinge; a fence fixed to an upper surface of said base for supporting a workpiece; a saw blade rotated by said motor; and a guard mounted on a forward end of said holder and movable back and forth thereon and comprising means for fixing said guard in position, said guard being of a material readily cuttable by said saw blade to form a slot for receiving said saw blade as said motor is moved.
Claim 5
Dependent Claim
196 words
A desk-top saw with a saw blade inclining mechanism, comprising; a base; a turntable rotatably mounted on an upper surface of said base; a fence disposed above said turntable for supporting a workpiece on said upper surface of said base; a holder supported inclinably relative to an upper surface of said turntable at a rear end thereof; a slide shaft slidable back and forth at an upper end of said holder substantially parallel to said upper surface of the base; a hinge provided at a forward end of said slide shaft; a motor and a circular saw blade driven by said motor about an axis, a saw cover covering an upper half of said saw blade, said motor being rotatably supported vertically at an upper end of said hinge; a safety cover provided in said saw cover and rotatable around a support provided at a rear portion of said saw cover for guarding a lower half of said saw blade; and a subcover rotatably supported on said axis of said saw blade at a forward portion of said safety cover and rotatable under its own weight, said subcover covering a forward portion of said saw blade.
Claim 6
Dependent Claim
196 words
A desk-top saw with a saw blade inclining mechanism, comprising; a base; a turntable rotatably mounted on an upper surface of said base; a fence disposed above said turntable for supporting a workpiece on said upper surface of said base; a holder supported inclinably relative to an upper surface of said turntable at a rear end thereof; a slide shaft slidable back and forth at an upper end of said holder substantially parallel to said upper surface of the base; a hinge provided at a forward end of said slide shaft; a motor and a circular saw blade driven by said motor about an axis, a saw cover covering an upper half of said saw blade, said motor being rotatably supported vertically at an upper end of said hinge; a safety cover provided in said saw cover and rotatable around a support provided at a rear portion of said saw cover for guarding a lower half of said saw blade; and a subcover rotatably supported on said axis of said saw blade at a forward portion of said safety cover and rotatable under its own weight, said subcover covering a forward portion of said saw blade.
Claim 7
Independent Claim
149 words
A device for guiding a cut piece of wood immediately after the cutting thereof in a desk-top circular saw apparatus, comprising: a base; a fence fixed to said base for supporting a workpiece; a holder supported alternately fixably and rotatably around a support with a rotation axis substantially flush with an upper surface of said base at an end of said base opposite an operator of said device; a gear casing rotatably supported by said holder; a motor and a rotatable circular saw blade driven by said motor mounted on said gear casing, said saw blade being rotatable downwardly to cut a workpiece; and a guiding member having an edge surface inclined to a principal surface of said saw blade for guiding said cut wood piece, said guiding member being fixed on said holder at a position through which said saw blade passes as said gear casing is moved.
Claim 8
Independent Claim
149 words
A device for guiding a cut piece of wood immediately after the cutting thereof in a desk-top circular saw apparatus, comprising: a base; a fence fixed to said base for supporting a workpiece; a holder supported alternately fixably and rotatably around a support with a rotation axis substantially flush with an upper surface of said base at an end of said base opposite an operator of said device; a gear casing rotatably supported by said holder; a motor and a rotatable circular saw blade driven by said motor mounted on said gear casing, said saw blade being rotatable downwardly to cut a workpiece; and a guiding member having an edge surface inclined to a principal surface of said saw blade for guiding said cut wood piece, said guiding member being fixed on said holder at a position through which said saw blade passes as said gear casing is moved.
Claim 9
Dependent Claim
158 words
A desk-top cutter with a saw blade inclining mechanism, comprising; a base; a turntable rotatably mounted on an upper surface of said base; a fence disposed above said turntable for supporting a workpiece on an upper surface of said base; a holder inclinably supported relative to an upper surface of said turntable at a rear end thereof; a slide shaft slidable back and forth at an upper end of said holder substantially parallel to said upper surface of the base; a hinge provided at a forward end of said slide shaft; a motor and a saw blade driven by said motor, said motor being rotatably supported vertically at an upper end of said hinge; said hinge having an arcuate protrusion; said motor having a screw threadedly engaged therewith; said screw having means for fixing said screw; and a lower limit position of said motor being restricted by abutment of said screw against said arcuate protrusion of said hinge.
Claim 10
Dependent Claim
158 words
A desk-top cutter with a saw blade inclining mechanism, comprising; a base; a turntable rotatably mounted on an upper surface of said base; a fence disposed above said turntable for supporting a workpiece on an upper surface of said base; a holder inclinably supported relative to an upper surface of said turntable at a rear end thereof; a slide shaft slidable back and forth at an upper end of said holder substantially parallel to said upper surface of the base; a hinge provided at a forward end of said slide shaft; a motor and a saw blade driven by said motor, said motor being rotatably supported vertically at an upper end of said hinge; said hinge having an arcuate protrusion; said motor having a screw threadedly engaged therewith; said screw having means for fixing said screw; and a lower limit position of said motor being restricted by abutment of said screw against said arcuate protrusion of said hinge.
References Cited (Backward Citations)
US2718907A
Cited
US3672251A
Cited
US3853028A
Cited
US4163404A
Cited
US4176571A
Cited
DE2929932A1
Cited
US4660448A
Cited
US4452117A
Cited
US4581966A
Cited
US4537105A
Cited
DE3329496A1
Cited
US4638700A
Cited
US4694720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-25 | 1993-03-27 | 1993-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-25 | 1997-03-27 | 1997-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-25 | 2001-03-27 | 2001-09-26 | $7700.00 | Window Closed / Lapsed |