GB2419310A - Clamping device for key duplicating machine with dual pivoted joint - Google Patents

Clamping device for key duplicating machine with dual pivoted joint Download PDF

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Publication number
GB2419310A
GB2419310A GB0423512A GB0423512A GB2419310A GB 2419310 A GB2419310 A GB 2419310A GB 0423512 A GB0423512 A GB 0423512A GB 0423512 A GB0423512 A GB 0423512A GB 2419310 A GB2419310 A GB 2419310A
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United Kingdom
Prior art keywords
key
clamping
substrate
duplicating machine
jaw
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Granted
Application number
GB0423512A
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GB0423512D0 (en
GB2419310B (en
Inventor
Kuo-Shen Wu
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Individual
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Individual
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Publication date
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Priority to GB0423512A priority Critical patent/GB2419310B/en
Publication of GB0423512D0 publication Critical patent/GB0423512D0/en
Publication of GB2419310A publication Critical patent/GB2419310A/en
Application granted granted Critical
Publication of GB2419310B publication Critical patent/GB2419310B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/28Grooving workpieces
    • B23C3/35Milling grooves in keys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/28Grooving workpieces
    • B23C3/35Milling grooves in keys
    • B23C3/355Holders for the template keys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/10Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00Clamps
    • B25B5/06Arrangements for positively actuating jaws
    • B25B5/10Arrangements for positively actuating jaws using screws

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

A clamping device for key duplicating machine with dual or compound pivoted joint. The clamping device comprises a pair of left and right symmetrical cross grooves 11 formed on the front side of a substrate 1, and aligned one with the other, for securing a pair of left and right vices 2, 2'. The left vice 2 is used for clamping a key blank to be processed while the right vice 2' is used for clamping the original key sample. Accordingly, there is provided a horizontal pivoted joint (fig 2, 4) arranged at the back upper end of the substrate 1, for pivotally connecting an engagement base 5, in order to form a first pivoted joint, to rotate the pair of vices 2, 2' to a suitable angular position, and to effect the duplication of a small size of a semi-cylindrical key (fig 4, 3); also there is a horizontal pivot connecting hole 51 is formed in the engagement base 5, for engaging a horizontal pivoted joint (fig 3; 6) in order to form a second pivoted joint, and to effect duplication of a large size of a semi-cylindrical key (fig 5; 3').

Description

TITLE OF THE INVENI{ON
Clamping Device for Key Duplicating Machine with Dual Pivoted Joint
BACKGROUND OF THE INVENTION
The present invention relates to a clamping device for key duplicating machine with dual pivoted joint, which can clamp different types of key sample and key blank by simply turning and changing from one of the two confronting side edges of the vises to the other, and can effect duplication of the different types of keys by means of two pivoted joints.
Conventional clamping device for key duplicating machine can only be used to clamp with a single side edge a specific type of key e.g. a small size of flat key or a large size of cylindrical key, and hence each type of key requires a specific clamping device. This will result in an increase of the key duplicating cost. Further, in the conventional clamping device for key duplicating machine, the key blank to be processed and clamped on the clamping device can only be cut in a tangential direction by a cutting tool, and can not be cut obliquely, and hence such kind of clamping device can only be used for clamping a key having a teeth pattern of grooves cut in a direction perpendicular to the side plane of the key, and can not be used for those having a teeth pattern of grooves cut obliquely to the side plane of the key, otherwise a special designed and complicated jig is required.
The present invention aims at eliminating the above disadvantages and provides a clamping device for key duplicating machine with dual pivoted joint, which can clamp different types of keys by simply turning and changing from one of the two confronting side edges of the vises to the other, and can effect duplication of the different types of keys by means of two pivoted joints.
In a preferred aspect of the present invention the clamping device for key duplicating machine with dual pivoted joint comprises a pair of left and right symmetrical cross grooves formed on the front side of a substrate, and aligned one with the other, for securing a pair of left and right vises, in order to enable the same vises to clamp different types of keys by turning and changing from one of the two confronting side edges of the vises to the other; and two pivoted joints provided on the back side of the substrate, for rotating the pair of left and right vises to a different angular position and for effecting duplication of the different types of keys.
BRIEF DESCRIPTION OF THE DRAWING
An embodiment of the present invention will now be described by way of example with reference to the accompanying drawings in which: Figure 1 is a partial exploded perspective view of a clamping device for key duplicating machine with dual pivoted joint according to the present invention; Figure 2 is a perspective view of a clamping device for key duplicating machine with dual pivoted joint according to the present invention as viewed from back Figure 3 is a perspective view of a key duplicating machine, wherein a clamping device for key duplicating machine with dual pivoted joint according to the present invention is disclosed; Figure 4 is a view of a clamping device for key duplicating machine with dual pivoted joint according to the present invention, wherein the vises are rotated to a suitable angular position by means of a first pivoted joint; and Figure 5 is a view of a clamping device for key duplicating machine with dual pivoted joint according to the present invention, wherein the vises are rotated to a suitable angular position by means of a second pivoted joint.
DETAILED DESCRIPTION OF THE INVENTION
Referring to Figures 1 5, a clamping device for key duplicating machine with dual pivoted joint which is an embodiment of the present invention, comprises a substrate 1; a pair of left and right symmetrical cross grooves 11 formed on the front side of a substrate, and aligned one with the other, for securing a pair of left and right vises 2, 2'. The left vise 2 is used for clamping a key blank to be processed while the right vise 2' is used for clamping an original key sample. By simply turning and changing from one of the two confronting side edges of the vises to the other, the same pair of vises can clamp different types of keys e.g. a small size of a semi-cylindrical key having a teeth pattern of grooves formed obliquely to the side plane of the key as shown in Fig. 1; and a large size of an elongated cylindrical key having a teeth pattern of groove formed in a direction perpendicular to the side plane ofthe key as shown in Fig. 5. The left and right vises each comprises a screw 21 horizontally secured to the center portion of the cross grooves I by means of a nut ( not shown); a fixed jaw 22 having a back rectangular protrusion 221 formed at the center portion of the back thereof, for engagement with the cross groove 11, and two pairs of upper and lower protrusive clamping feet 222, 222' formed at the upper and lower ends thereof, which are provided with a forward >-shaped notch part, in order to form a clamping halfpart 223, 223'; and a movable jaw 23 having two pairs of upper and lower protrusive clamping feet 232, 232' formed at the upper and lower ends thereof. The pair of upper protrusive feet 232 are provided with an upright plane part to form a clamping half part 233 while the pair of tower protrusive feet 232' are provided with backward <-shaped notch part, in order to form a clamping half part 233', and hence one type of a clamping part used for clamping a small size of a semi-cylindrical key having a teeth pattern of grooves formed obliquely to the side plane of the key as shown in Fig. 4 can be formed when the pair of upper clamping half parts 233 of the movable jaw are moved towards the pair of upper clamping half parts 223 of the fixed jaw by means of the screw 21, and another type of clamping part used for clamping a large size of an elongated cylindrical key having a teeth pattern of groove formed in a direction perpendicular to the side plane of the key as shown in Fig. 5 can be formed when the pair of lower clamping half parts 233' of the movable jaw are moved towards the pair of lower clamping half parts 223' ofthe fixed jaw by mew of the screw 21. In this regard, by simply turning and changing from one of the two confronting side edges of the vises to the other, the same pair of vises can clamp different types of keys. A longitudinal rectangular protrusion 224 is formed at the front center portion of the fixed jaw, for engagement with a rectangular groove 231 formed at the back center portion ofthe movable jaw. A central and two side holes 225, 226 are formed in parallel in an integral portion between the longitudinal rectangular protrusion 224 and the back rectangular protrusion 221 of the fixed jaw and aligned one another. The cenha1 hole 225 is formed in two sections of different diameters, and the front section hole is bigger than the rear section hole, and used for receiving a compression spring 24, in order to enable the latter to bias against the movable jaw 23, while the rear section hole is used for passing the screw 21 there- through Two side holes 226 each is formed in two sections of different diameters, and the front section hole is smaller than the rear section hole, and used for receiving a guide post 25 which is having a front end passed through the side hole 234 formed in the intermediate portion of the movable jaw, and is secured on the latter by means of a screw, while the rear section hole is used for receiving a C-shaped pin 27 which is inserted into the rear end ofthe guide post 25, in order to prevent the latter from being removed from the movable jaw 22. In this regard, the movable jaw 23 can be moved straight towards the fixed jaw 22 in accordance with the two parallel side guide posts. The front end of the screw 21 which penetrates through the central hole 235 of the movable jaw 23 is threadedly engaged with a grip 28, in order to drive the movable jaw to move straight towards the fixed jaw 22 by turning the grip.
As shown in Fig. 2, the present invention further comprises a horizontal pivoted joint 4 arranged at the back upper end of the substrate 1, for pivotally connecting an engagement base 5, in order to form a first pivoted joint, to rotate the pair of vises to a suitable angular position, and to effect duplication of a small size of a semi-cylindrical key 3 having a teeth pattern of grooves formed obliquely to the side plane of the key.
A horizontal pivotal connecting hole 51 is formed in the engagement base 5, for pivotally engaging a horizontal pivoted joint 6, ( as shown in Fig. 3) in order to form a second pivoted joint, and to effect duplication of a large size of an elongated cylindrical key 3' haying a teeth pattern of grooves formed in a direction perpendicular to the side plane of the key. In the present invention, a securing hole 52 is formed at the side edge of the engagement base 5, and parallels the horizontal pivoted joint 4, for receiving a securing pin 7 which is arranged on the back of the substrate 1, and parallels the horizontal pivoted joint, in order to fix the engagement base on the back of the substrate, to prevent both from being pivotally rotated each other, and to enable the first pivoted joint to become ineffective, as shown in Fig 5 With this, the user can utilize the second pivoted joint i. e. the user can manipulate a grip 8 which is provided at the lower end of the engagement base, in order to rotate the pair of vises to a suitable angular position, to enable a key blank clamped in the vise being cut in a direction perpendicular to the side plane of the key blank by the duplicating tool 10, and to accomplish a duplication of a large size of an elongated cylindrical key. When a small size of a semi-cylindrical key having a teem pattern of grooves formed obliquely to the side plane ofthe key is to be duplicated, the user needs to pull the securing pin 7 out of the engagement base 5, in order to enable the horizontal pivoted joint to pivotally rotate with respect to the engagement base, and to enable the first pivoted joint to become effective. With this, the user needs to manipulate a grip 9 which is provided at the right lower end of the substrate, in order to drive the pairs of vises being pivotally rotated to suitable angular position, and enable the key clamped by the vise being cut obliquely to the side plane of the key, as shown in Fig. 4, and to accomplish a duplication of a small size of a semi-cylindrical key. s cows

Claims (1)

1. A clamping device for key duplicating machine with dual pivoted joint
comprising a substrate having a pair of left and right symmetrical cross grooves formed on front side thereof, for securing a pair of left and right vises; a horizontal pivoted joint provided on back upper edge of said substrate, for pivotally engaging an engagement base, in order to form a first pivoted joint, to enable said pair of left and right vises being pivotally rotated to a suitable angular position, for effecting a duplication of one type of key; a horizontal pivotal connecting hole formed on upper edge of said engagement base, for pivotally engaging with a horizontal pivoted joint arranged on body of said duplicating machine, and for forming a second pivoted joint, in order to enable said pair of left and right vises being pivotally rotated to a suitable angular position, and to effect a duplication of another type of key.
2, The clamping device for key duplicating machine with dual pivoted joint as claimed in claim 1, wherein said pairs of left and right vises each comprises a screw horizontally secured to center portion of said cross groove, and a fixed jaw having a back rectangular protrusion for engagement with said cross groove, and a longitudinal rectangular protrusion for engagement with a rectangular groove formed at back center portion of a movable jaw, a central hole and two side holes formed in parallel in an integral portion between said longitudinal rectangular protrusion and said back rectangular protrusion of said fixed jaw, and aligned one another, said central hole is used for receiving a compression spring, in order to enable the latter to bias against said movable jaw, and for passing said screw therethrough, said two side holes are used for respectively receiving a guide post, in order to enable said movable jaw being moved straight towards said fixed jaw in accordance with said guide post, for clamping a key.
3 The clamping device for key duplicating machine with dual pivoted joint as claimed in claim 1, wherein said fixed jaw and said movable jaw are respectively formed with two pairs of upper and lower protrusive clamping feet at upper and lower ends thereof said two pairs of upper and lower protrusive clamping feet are respectively formed with a pair of upper and lower clamping half parts, in order to form an upper clamping part for one type of key, and to form a lower clamping part for another type of key, when said movable jaw is moved towards said fixed jaw.
4. The clamping device for key duplicating machine with dual pivoted joint as claimed in claim 3, wherein said upper and lower clamping half parts formed on said fixed jaw are of a>-shaped notch part, said upper clamping half part formed on said movable jaw is of an upright plane part, and said lower clamping half part formed on said movable jaw is of a<- shaped notch part.
5. The clamping device lor key duplicating key machine with dual pivoted joint as claimed in claim 1, wherein said engagement base is provided with a securing hole parallel to a horizontal pivoted joint, at side edge thereof, for receiving a securing pin secured on back of said substrate, in order to fix said engagement base on said back of said substrate, and to enable said first pivoted joint to become ineffective.
6. A key duplicating machine comprising: a fixed cutting wheel mounted in a main body of the key duplicating machine; a stylus axially spaced from the cutting wheel; a first clamp for clamping a key to be duplicated; and a second clamp for clamping a key blank to be cut to from the duplicate key; wherein the fist and second clamps are mounted to a substrate with a spacing in the axial direction of the cutting wheel corresponding to the spacing between the cutting wheel and the stylus; and wherein the substrate is mounted to an engagement base for pivoting about a first pivot axis parallel to the cutting wheel axis, and the engagement base is mounted to the main body for relative movement in a direction parallel to the cutting wheel axis and for pivoting movement abut a second pivot axis parallel to the cutting wheel axis, the arrangement being such that a key blank held in the second clamp is engageable with the cutting wheel at a first angular position on the periphery of the wheel when the substrate is pivoted about the first pivot axis and the engagement base is 3 0 stationary relative to the main body, and is engageable with the cutting wheel at a second angular position when the substrate and the engagement base are pivoted together relative to the main body about the second pivot axis.
7. A key duplicating machine according to claim 6, further comprising releasable locking means operative between the substrate and the engagement base to selectively prevent or permit pivoting of the substrate relative to the engagement base about the first pivot axis.
8. A key duplicating machine according to claim 6 or claim 7, wherein the first or second clamp comprises a clamping device according to any of claims I to 5.
9. A clamping device substantially as herein described with reference to Figure l, Figure 2, Figure 4 or Figure 5 of the accompanying drawings.
I O. A key duplicating machine substantially as herein described with reference to Figure 3 of the accompanying drawings.
Amendments to the claims have been filed as follows: _ _ v 1 Claims: 1. A clamping device for a key duplicating machine having a stylus, a key cutter, and a substrate adapted to carry a pair of first and second vices pivotally mounted to the body of the duplicating machine, to enable said pair of first and second vices to be pivotally rotated to a suitable angular position to effect a duplication of a key, wherein each of said first and second vices comprises a fixed jaw having first and second clamping half parts and a movable jaw having first and second clamping half parts engageable with the respective first and second clamping half parts of the fixed jaw, and a clamping means to urge the movable jaw towards the fixed jaw, and wherein the fixed jaw of each vice is selectively mountable to the substrate in a first or a second position, the arrangement being such that when the first and second vices are mounted to the substrate in their respective first positions, the first clamping parts of the vices are adjacent the stylus and the key cutter, respectively, and when the first and second vices are mounted to the substrate in their respective second positions, the second clamping parts of the vices are adjacent the stylus and the key cutter, respectively.
2. A clamping device according to claim 1, wherein the substrate is pivotally mounted on an engagement base by a first pivoted joint, to enable said pair of first and second vices to be pivotally rotated about said first pivoted joint to a suitable angular position for effecting a duplication of a first type of key; and the engagement base is pivotally mounted to the body of the duplicating machine by a second pivoted joint, in order to enable said pair of first and second vices to be pivotally rotated about said second pivoted joint to a suitable angular position to effect a duplication of a second type of key 3. A clamping device according to claim 1 or claim 2, wherein the substrate is formed with a groove at the mounting positions of each of the first and second vices a respective threaded rod extends out of the groove and through the fixed and movable jaw of each vice; the fixed and movable jaws of each vice are rotatable about the threaded rod to move the vice between its first and second positions; the fixed jaw has a rear rectangular protrusion for engagement with the groove to locate the fixed jaw in the first or the second position; and a grip is threadably engaged with the rod to urge the movable jaw towards the fixed jaw.
4. A clamping device according to any preceding claim, wherein the fixed jaw of each vice has a guide rod mounted thereto; and the movable jaw of each vice has a bore in which the guide rod is received to guide the movement of the movable jaw relative to the fixed jaw.
5. A. clamping device according to any preceding claim, wherein the movable jaw of each vice is urged away from its respective fixed jaw by a spring.
6. A clamping device according to any preceding claim, wherein the first and second clamping half parts formed on the fixed jaw are V-shaped notch parts, said first clamping half part formed on said movable jaw is of an upright plane part, and said second clamping half part formed on said movable jaw is V-shaped notch part.
7. A clamping device according to any preceding claim, wherein said engagement base is provided with a securing hole parallel to a horizontal pivoted joint, at side edge thereof, for receiving a securing pin secured on said substrate, in order to fix said engagement base on said back of said substrate, and to enable said first pivoted joint to become ineffective.
8. A key duplicating machine comprising: a fixed cutting wheel mounted in a main body of the key duplicating machine; a stylus axially spaced from the cutting wheel; \4 a first vice for clamping a key to be duplicated; and a second vice for clamping a key blank to be cut to form the duplicate key; wherein the first and second vices are mounted to a substrate with a spacing in the axial direction of the cutting wheel corresponding to the spacing between the cutting wheel and the stylus; and wherein each of said first and second vices comprises a fixed jaw having first and second clamping half parts and a movable jaw having first and second clamping half parts engageable with the respective first and second clamping half parts of the fixed jaw, and a clamping means to urge the movable jaw towards the fixed jaw, and wherein the fixed jaw of each vice is selectively mountable to the substrate in a first or a second position, the arrangement being such that when the first and second vices are mounted to the substrate in their respective first positions, the first clamping half parts of the first and second vices are adjacent the stylus and the key cutter, respectively, and when the first and second vices are mounted to the substrate in their respective second positions, the second clamping half parts of the first and second vices are adjacent the stylus and the key cutter, respectively.
9. A key duplicating machine according to claim 8, wherein the substrate is mounted to an engagement base for pivoting about a first pivot axis parallel to the r cutting wheel axis, and the engagement base is mounted to the main body for relative movement in a direction parallel to the cutting wheel axis and for pivoting movement abut a second pivot axis parallel to the cutting wheel axis, the arrangement being such that a key blank held in the second vice is engageable with the cutting wheel at a first angular position on the periphery of the wheel when the substrate is pivoted about the first pivot axis and the engagement base is stationary relative to the main body, and is engageable with the cutting wheel at a second angular position when the substrate and the engagement base are pivoted together relative to the main body about the second pivot axis TO. A key duplicating machine according to claim 9, further comprising releasable locking means operative between the substrate and the engagement base to selectively prevent or permit pivoting of the substrate relative to the engagement base about the first pivot axis.
11. A key duplicating machine according to any of claims 8 to TO, wherein the substrate is formed with a groove at the mounting positions of each of the first and second vices a respective threaded rod extends out of the groove and through the fixed and movable jaw of each vice; (W the fixed and movable jaws of each vice are rotatable about the threaded rod to move the vice between its first and second positions; the fixed jaw has a rear rectangular protrusion for engagement with the groove to locate the fixed jaw in the first or the second position; and a grip is threadably engaged with the rod to urge the movable jaw towards the fixed jaw.
12. A key duplicating machine according to any of claims 8 to 11, wherein the fixed jaw of each vice has a guide rod mounted thereto; and the movable jaw of each vice has a bore in which the guide rod is received to guide the movement of the movable jaw relative to the fixed jaw.
13. A. key duplicating machine according to any of claims 8 to 12, wherein the movable jaw of each vice is urged away from its respective fixed jaw by a spring.
14. A. key duplicating machine according to any of claims 8 to 13, wherein the first and second clamping half parts formed on the fixed jaw are V-shaped notch parts, said first clamping half part formed on said movable jaw is of an upright plane part, and said second clamping half part formed on said movable jaw is a V-shaped notch part. lS \
15. A clamping device substantially as herein described with reference to Figure l, Figure 2, Figure 4 or Figure 5 of the accompanying drawings.
16. A key duplicating machine substantially as herein described with reference to Figure 3 of the accompanying drawings.
GB0423512A 2004-10-22 2004-10-22 Clamping device for key duplicating machine with dual pivoted joint Expired - Fee Related GB2419310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0423512A GB2419310B (en) 2004-10-22 2004-10-22 Clamping device for key duplicating machine with dual pivoted joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0423512A GB2419310B (en) 2004-10-22 2004-10-22 Clamping device for key duplicating machine with dual pivoted joint

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GB0423512D0 GB0423512D0 (en) 2004-11-24
GB2419310A true GB2419310A (en) 2006-04-26
GB2419310B GB2419310B (en) 2009-12-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVE20130059A1 (en) * 2013-11-06 2015-05-07 Silca Spa CLAMP FOR DUPLICATING MACHINE FOR KEYS TO MAP AND DOUBLE-MAP MAPS PROVIDED WITH A COLLAR IN THE STEM.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1335351A (en) * 1919-05-20 1920-03-30 Segal Samuel Key-duplicating machine
US2176106A (en) * 1936-08-13 1939-10-17 Segal Samuel Key cutting machine
GB1562881A (en) * 1977-01-04 1980-03-19 Boerkey Nachf August Key cutting machine
GB2040759A (en) * 1979-01-30 1980-09-03 Nachfolger August Boerkey Key copying apparatus
US4521142A (en) * 1982-08-30 1985-06-04 Essential Automotive Products, Inc. Key cutting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1335351A (en) * 1919-05-20 1920-03-30 Segal Samuel Key-duplicating machine
US2176106A (en) * 1936-08-13 1939-10-17 Segal Samuel Key cutting machine
GB1562881A (en) * 1977-01-04 1980-03-19 Boerkey Nachf August Key cutting machine
GB2040759A (en) * 1979-01-30 1980-09-03 Nachfolger August Boerkey Key copying apparatus
US4521142A (en) * 1982-08-30 1985-06-04 Essential Automotive Products, Inc. Key cutting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVE20130059A1 (en) * 2013-11-06 2015-05-07 Silca Spa CLAMP FOR DUPLICATING MACHINE FOR KEYS TO MAP AND DOUBLE-MAP MAPS PROVIDED WITH A COLLAR IN THE STEM.
WO2015068025A3 (en) * 2013-11-06 2015-09-24 Silca S.P.A. Clamp for a duplicating machine for bitted and double-bitted keys provided with a collar on the shank

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Publication number Publication date
GB0423512D0 (en) 2004-11-24
GB2419310B (en) 2009-12-16

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