CA2589140A1 - Blind trimming apparatus and method of trimming blinds - Google Patents

Blind trimming apparatus and method of trimming blinds Download PDF

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Publication number
CA2589140A1
CA2589140A1 CA 2589140 CA2589140A CA2589140A1 CA 2589140 A1 CA2589140 A1 CA 2589140A1 CA 2589140 CA2589140 CA 2589140 CA 2589140 A CA2589140 A CA 2589140A CA 2589140 A1 CA2589140 A1 CA 2589140A1
Authority
CA
Canada
Prior art keywords
blade
blade holder
insert
blade insert
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2589140
Other languages
French (fr)
Other versions
CA2589140C (en
Inventor
William J. Schimmels
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Springs Window Fashions LLC
Original Assignee
Springs Window Fashions, Llc
William J. Schimmels
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Springs Window Fashions, Llc, William J. Schimmels filed Critical Springs Window Fashions, Llc
Publication of CA2589140A1 publication Critical patent/CA2589140A1/en
Application granted granted Critical
Publication of CA2589140C publication Critical patent/CA2589140C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D23/00—Machines or devices for shearing or cutting profiled stock
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/266—Devices or accessories for making or mounting lamellar blinds or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
    • B23D35/008—Means for changing the cutting members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/39—Venetian blind assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/748—With work immobilizer
    • Y10T83/7487—Means to clamp work
    • Y10T83/7493—Combined with, peculiarly related to, other element
    • Y10T83/75—With or to tool guide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8828—Plural tools with same drive means
    • Y10T83/8831—Plural distinct cutting edges on same support
    • Y10T83/8834—Successively acting

Abstract

The present invention generally provides a blind trimming apparatus including a frame supporting a cutting tool, the cutting tool including a cutting edge, a blade holder supported on the frame for movement with respect to the cutting tool along a cutting path, and a blade insert including a cutting edge and being connectable to the blade holder for movement with the blade holder with respect to the cutting tool to trim blinds between the cutting edge of the cutting tool and the cutting edge of the blade insert. One of the blade holder and the blade insert defines a locating recess and the other of the blade holder and the blade insert includes a locating protrusion, which is engageable in the locating recess to align the blade insert with respect to the blade holder.

Claims (42)

1. A blind trimming apparatus comprising:
a frame supporting a cutting tool, the cutting tool including a cutting edge;
a blade holder supported on the frame for movement with respect to the cutting tool along a cutting path;
a blade insert including a cutting edge and being connectable to the blade holder for movement with the blade holder with respect to the cutting tool to trim blinds between the cutting edge of the cutting tool and the cutting edge of the blade insert;
one of the blade holder and the blade insert defining a locating recess; and an other of the blade holder and the blade insert having a locating protrusion, the locating protrusion being engageable in the locating recess to align the blade insert with respect to the blade holder so that, during cutting, the cutting edge of the blade insert is spaced a predetermined distance from the cutting edge of the cutting tool measured along a plane, the plane being substantially perpendicular to the cutting path and extending through the cutting tool.
2. The blind trimming apparatus of claim 1, and further comprising a fastener for securing the blade insert to the blade holder.
3. The blind trimming apparatus of claim 1, wherein the blade insert includes a forward end and a rearward end, the forward end including the cutting edge, and wherein, when the blade insert is connected to the blade holder, at least a portion of the rearward end of the blade insert and the blade holder define a space therebetween.
4. The blind trimming apparatus of claim 3, and further comprising a threaded fastener removeably connecting the blade insert and the blade holder and extending across the space, and wherein, when the blade insert is secured to the blade holder, the space limits the degree of interference between the blade insert and the blade holder.
5. The blind trimming apparatus of claim 1, wherein at least a portion of the one of the blade holder and the blade insert includes a ramp, the ramp at least partially defining the locating recess and being angled with respect to the cutting path between about 1 degree and about 25 degrees with respect to the cutting path.
6. The blind trimming apparatus of claim 5, wherein the ramp is angled with respect to the cutting path between about 9 degrees and about 11 degrees with respect to the cutting path.
7. The blind trimming apparatus of claim 1, wherein at least a portion of the locating protrusion is angled between about 1 degree and about 25 degrees with respect to the cutting path.
8. The blind trimming apparatus of claim 7, wherein the portion of the locating protrusion is angled between about 9 degrees and about 11 degrees with respect to the cutting path.
9. The blind trimming apparatus of claim 1, wherein the one of the blade holder and the blade insert defines a second locating recess and the other of the blade holder and the blade insert includes a second locating protrusion, the second locating protrusion being engageable in the second locating recess to align the blade insert with respect to the blade holder.
10. The blind trimming apparatus of claim 1, wherein the predetermined distance is between about 0.000 inches and about 0.001 inches.
11. The blind trimming apparatus of claim 1, wherein the locating recess has a complementary shape to the locating protrusion.
12. The blind trimming apparatus of claim 1, wherein the one of the blade holder and the blade insert includes a second locating protrusion and the other of the blade holder and the blade insert defines a second locating recess, the second locating protrusion being engageable in the second locating recess to align the blade insert with respect to the blade holder.
13. The blind trimming apparatus of claim 1, wherein the blade holder includes an attachment portion, wherein the blade insert is connectable to the attachment portion of the blade holder, and wherein, the blade holder is positioned with respect to the frame so that, during cutting, at least a portion of the attachment portion is spaced a second predetermined distance from the cutting edge of the cutting tool measured along the plane.
14. A blind trimming apparatus comprising:
a frame supporting a cutting tool, the cutting tool including a cutting edge;
a blade holder supported on the frame for movement with respect to the cutting tool along a cutting path;
a blade insert including a cutting edge and being connectable to the blade holder for movement with the blade holder with respect to the cutting tool to trim blinds between the cutting edge of the cutting tool and the cutting edge of the blade insert;
one of the blade holder and the blade insert including a locating protrusion, at least a portion of the locating protrusion being angled with respect to the cutting path;
and an other of the blade holder and the blade insert defining a locating recess, the locating protrusion being engageable in the locating recess to align the blade insert with respect to the blade holder.
15. The blind trimming apparatus of claim 14, wherein the locating protrusion is engageable in the locating recess to orient the blade insert with,respect to the blade holder so that, during cutting, the cutting edge of the blade insert is spaced a predetermined distance from the cutting edge of the cutting tool measured along a plane extending through the cutting tool and being substantially perpendicular to the cutting path.
16. The blind trimming apparatus of claim 14, wherein the predetermined distance is between about 0.000 inches and about 0.001 inches.
17. The blind trimming apparatus of claim 14, and further comprising a fastener for securing the blade insert in the blade holder.
18. The blind trimming apparatus of claim 14, wherein the blade insert includes a forward end and a rearward end, the forward end including the cutting edge, and wherein, when the blade insert is connected to the blade holder, at least a portion of the rearward end of the blade insert and the blade holder define a space therebetween.
19. The blind trimming apparatus of claim 18, and further comprising a threaded fastener removeably connecting the rearward end of the blade insert and the blade holder and extending across the space, and wherein, when the blade insert is secured to the blade holder, the space limits the degree of interference between the blade insert and the blade holder.
20. The blind trimming apparatus of claim 14, wherein the other of the blade holder and the blade insert includes a ramp, wherein the ramp at least partially defines the locating recess, and wherein at least a portion of the ramp is angled between about 5 degrees and about 25 degrees with respect to the cutting path.
21. The blind trimming apparatus of claim 20, wherein the ramp is angled with respect to the cutting path between about 9 degrees and about 11 degrees with respect to the cutting path.
22. The blind trimming apparatus of claim 14, wherein at least a portion of the locating protrusion is angled between about 5 degrees and about 25 degrees with respect to the cutting path.
23. The blind trimming apparatus of claim 22, wherein at least a portion of the locating protrusion is angled between about 9 degrees and about 11 degrees with respect to the cutting path.
24. The blind trimming apparatus of claim 14, wherein the one of the blade holder and the blade insert defines a second locating recess and the other of the blade holder and the blade insert includes a second locating protrusion, the second locating protrusion being engageable in the second locating recess to align the blade insert with respect to the blade holder.
25. The blind trimming apparatus of claim 14, wherein the locating recess has a complementary shape to the locating protrusion.
26. The blind trimming apparatus of claim 14, wherein the one of the blade holder and the blade insert defines a second locating recess and the other of the blade holder and the blade insert includes a second locating protrusion, the second locating protrusion being engageable in the second locating recess to align the blade insert with respect to the blade holder.
27. The blind trimming apparatus of claim 14, wherein the blade holder includes an attachment portion, wherein the blade insert is connectable to the attachment portion of the blade holder, and wherein, the blade holder is positioned with respect to the frame so that, during cutting, at least a portion of the attachment portion is spaced a predetermined distance from the cutting edge of the cutting tool measured along a plane, the plane being substantially perpendicular to the cutting path and extending through the cutting tool.
28. A method of operating a blind trimming apparatus, the method comprising the acts of:
providing a frame supporting a cutting tool, the cutting tool having a cutting edge;
connecting a blade holder to the frame for movement with respect to the frame along a cutting path;
providing a blade insert having a cutting edge, one of the blade insert and the blade holder having a locating protrusion, an other of the blade insert and the blade holder defining a locating recess;
connecting the blade insert to the blade holder; and moving the blade holder and the blade insert with respect to the cutting tool along the cutting path to shear blinds between the cutting edge of the cutting tool and the cutting edge of the blade insert;
wherein the act of connecting the blade insert to the blade holder includes the act of engaging the locating protrusion in the locating recess to orient the blade insert with respect to the blade holder so that, during cutting, the cutting edge of the blade insert is spaced a predetermined distance from the cutting edge of the cutting tool measured along a plane extending through the cutting tool, the plane being generally perpendicular to the cutting path.
29. The method of claim 28, and further comprising the act of securing the blade insert to the blade holder with a fastener.
30. The method of claim 28, wherein the blade insert includes a forward end and a rearward end, the forward end including the cutting edge, and wherein the act of connecting the blade insert to the blade holder includes the act of moving the blade insert with respect to the blade holder to provide a space between the rearward end of the blade insert and the blade holder.
31. The method of claim 30, and further comprising the act of securing the blade insert to the blade holder with a threaded fastener, and wherein, when the blade insert is secured to the blade holder, the space limits the degree of interference between the blade insert and the blade holder.
32. The method of claim 28, and further comprising the acts of:
providing a second blade insert having a cutting edge, one of the second blade insert and the blade holder having a second locating protrusion, an other of the second blade insert and the blade holder defining a second locating recess;
disconnecting the first blade insert from the blade holder;
connecting the second blade insert to the blade holder; and moving the blade holder and the second blade insert with respect to the cutting tool along the cutting path to shear blinds between the cutting edge of the cutting tool and the cutting edge of the second blade insert;
wherein the act of connecting the second blade insert to the blade holder includes the act of engaging the second locating protrusion of the one of the second blade insert and the blade holder in the locating recess of the other of the second blade insert and the blade holder to orient the second blade insert with respect to the blade holder so that, during cutting, the cutting edge of the second blade insert is spaced the predetermined distance from the cutting edge of the cutting tool measured along the plane.
33. The method of claim 28, wherein the one of the blade insert and the blade holder includes a second locating protrusion, wherein the other of the blade insert and the blade holder defines a second locating recess, and wherein the act of connecting the blade insert to the blade holder includes the act of engaging the second locating protrusion in the second locating recess to orient the blade insert with respect to the, blade holder so that, during cutting, the cutting edge of the blade insert is spaced the predetermined distance from the cutting edge of the cutting tool measured along the plane.
34. The method of claim 28, wherein the other of the blade insert and the cutting edge includes a ramp, the ramp at least partially defining the locating recess and being angled with respect to the cutting path, and wherein the act of connecting the blade insert to the blade holder includes the act of moving the locating protrusion along the angled surface.
35. The method of claim 28, wherein the blade holder includes an attachment portion, wherein the act of connecting the blade insert to the blade holder includes the act of connecting the blade insert to the attachment portion, and wherein the act of connecting the blade holder to the frame includes the act of positioning the blade holder with respect to the frame so that, during cutting, at least a portion of the attachment portion is spaced a second predetermined distance from the cutting edge of the cutting tool measured along the plane.
36. A method of operating a blind trimming apparatus, the method comprising the acts of:
providing a frame supporting a cutting tool, the cutting tool having a cutting edge;
connecting a blade holder to the frame for movement with respect to the frame along a cutting path;
providing a blade insert having a cutting edge, one of the blade insert and the blade holder having a locating protrusion, an other of the blade insert and the blade holder including a ramp;
connecting the blade insert to the blade holder; and moving the blade holder and the blade insert with respect to the cutting tool along the cutting path to shear blinds between the cutting edge of the cutting tool and the cutting edge of the blade insert, the ramp being angled with respect to the cutting path;
wherein the act of connecting the blade insert to the blade holder includes the act of moving the locating protrusion along the ramp to orient the blade insert with respect to the blade holder so that, during cutting, the cutting edge of the blade insert is spaced a predetermined distance from the cutting edge of the cutting tool measured along a plane extending through the cutting tool, the plane being generally perpendicular to the cutting path.
37. The method of claim 36, and further comprising the act of securing the blade insert to the blade holder with a fastener.
38. The method of claim 36, wherein the blade insert includes a forward end and a rearward end, the forward end including the cutting edge, and wherein the act of connecting the blade insert to the blade holder includes the act of moving the blade insert with respect to the blade holder to provide a space between the rearward end of the blade insert and the blade holder.
39. The method of claim 38, and further comprising the act of securing the blade insert to the blade holder with a fastener, and wherein, when the blade insert is secured to the blade holder, the space limits the degree of interference between the blade insert and the blade holder.
40. The method of claim 36, and further comprising the acts of:
providing a second blade insert having a cutting edge, one of the second blade insert and the blade holder having a locating protrusion, an other of the second blade insert and the blade holder defining a locating recess;
disconnecting the first blade insert from the blade holder;
connecting the second blade insert to the blade holder; and moving the blade holder and the second blade insert with respect to the cutting tool along the cutting path to shear blinds between the cutting edge of the cutting tool and the cutting edge of the second blade insert;
wherein the act of connecting the second blade insert to the blade holder includes the act of moving the locating protrusion of the one of the second blade insert and the blade holder along the ramp to orient the second blade insert with respect to the blade holder so that, during cutting, the cutting edge of the second blade insert is spaced the predetermined distance from the cutting edge of the cutting tool measured along the plane.
41. The method of claim 36, wherein the one of the blade insert and the blade holder includes a second locating protrusion, wherein the other of the blade insert and the blade holder defines a second locating recess, and wherein the act of connecting the blade insert to the blade holder includes the act of engaging the second locating protrusion in the second locating recess to orient the blade insert with respect to the blade holder so that, during cutting, the cutting edge of the blade insert is spaced the predetermined distance from the cutting edge of the cutting tool measured along the plane.
42. The method of claim 36, wherein the blade holder includes an attachment portion, wherein the act of connecting the blade insert to the blade holder includes the act of connecting the blade insert to the attachment portion, and wherein the act of connecting the blade holder to the frame includes the act of positioning the blade holder with respect to the frame so that, during cutting, at least a portion of the attachment portion is spaced a second predetermined distance from the cutting edge of the cutting tool measured along the plane.
CA 2589140 2004-12-01 2005-11-30 Blind trimming apparatus and method of trimming blinds Expired - Fee Related CA2589140C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/000,661 US7278345B2 (en) 2003-07-01 2004-12-01 Blind trimming apparatus
US11/000,661 2004-12-01
PCT/US2005/043138 WO2006060395A2 (en) 2004-12-01 2005-11-30 Blind trimming apparatus and method of trimming blinds

Publications (2)

Publication Number Publication Date
CA2589140A1 true CA2589140A1 (en) 2006-06-08
CA2589140C CA2589140C (en) 2010-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2589140 Expired - Fee Related CA2589140C (en) 2004-12-01 2005-11-30 Blind trimming apparatus and method of trimming blinds

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US (1) US7278345B2 (en)
CA (1) CA2589140C (en)
MX (1) MX2007006495A (en)
WO (1) WO2006060395A2 (en)

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WO2006060395A3 (en) 2006-09-21
US7278345B2 (en) 2007-10-09
CA2589140C (en) 2010-08-17
US20050072283A1 (en) 2005-04-07
WO2006060395A2 (en) 2006-06-08
MX2007006495A (en) 2007-09-14

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