US3886627A - Link hinge - Google Patents

Link hinge Download PDF

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US3886627A
US3886627A US362670A US36267073A US3886627A US 3886627 A US3886627 A US 3886627A US 362670 A US362670 A US 362670A US 36267073 A US36267073 A US 36267073A US 3886627 A US3886627 A US 3886627A
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shell
shells
boxes
box
link hinge
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US362670A
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Eraclio Bassan
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/06Hinges with pins with two or more pins
    • E05D3/18Hinges with pins with two or more pins with sliding pins or guides
    • E05D3/186Scissors hinges, with two crossing levers and five parallel pins
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00Construction of single parts, e.g. the parts for attachment
    • E05D5/02Parts for attachment, e.g. flaps
    • E05D5/08Parts for attachment, e.g. flaps of cylindrical shape
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/20Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • a link hinge comprising a pair of hollow, preferably May 30, 1972 ltaly 12693/72 Cylindrical shells hingedly interconnected at one end of each shell by link means normally housed inside- 52 us. c1 16/163; 16/164 Said tubular shell- Each Shell of the link hinge is n- 5 11 Int. Cl E05d 3/06 Sened in an Onther Preferably made of PlasfiC [58] Field 61 Search 16/163, 164, 128, 148 material, which in turn may be inserted and Secured by glueing in borings made in the parts to be hinged 5 References Cited together.
  • Means are provided in the shells and the UNITED STATES PATENTS boxes for inserting each shell in its box in a prefixed alignment, and for securing said shell to said box, 1,484,093 2/1924 Soss 16/164 1,668,137 5/1928 Anderson 16/128 R 4 Claims, 11 Drawing Figures IIJJ aaesle zv' PATENTEDJUN 3 ms SHEET S ⁇ ⁇ 9 mg LINK HINGE BACKGROUND OF THE INVENTION shells are interconnected in a known manner by link means permitting the hinged parts to swing from a position in which the shells are co-axial and the hinge links are enclosed and concealed inside the shells to a position in which the shells are rotated by 180 and are arranged sidewise and parallel to each other.
  • the hinge shells are secured into the holes formed in the furniture parts, by means of nails or screws passed angularly through the opposite sides of the shells and into the furniture panels, or by means of a tongue formed integrally with the hinge shells, which may be deflected laterally so as to engage the side walls of the holes, or by means of screws screwed between the shells and the encasing holes, and partially engaging into half-cylindrical recesses formed in the shells, or by means of flanges projecting laterally from the shells, and provided with bores for the passage of fastening screws.
  • the above fastening means are however unsuited for fastening the hinges in wood fiber panels or the like soft wood panels, as used in the furniture manufacture, due to the fact that after a very short time the hinges become loose and may be easily extracted from their encasing holes.
  • a still further disadvantage of the prior art hinges resides in the fact that, in assembling the hinges to the parts to be hinged together, it is necessary to exactly adjust the hinge shells angularly in the encasing holes before fastening them inside the holes, in order to obtain a perfect closure of the parts hinged together.
  • the boxes and the shells are provided with cooperating adjusting means for inserting each shell in its box in a prefixed alignment.
  • FIG. I is a longitudinal sectional view of a first embodiment of a link hinge according to the invention, in a closed position.
  • FIG. 2 is a longitudinal sectional view of the link hinge of FIG. 1, in 'a fully open position.
  • FIG. 3 is a top plan view of the link hinge of FIG. 2.
  • FIG. 4 is a longitudinal sectional view of one hinge element, taken along the line IVIV of FIG. 3.
  • FIG. 5 is a side view of the hinge element of FIG. 4.
  • FIG. 6 is a side view of the box-like element for the link hinge of FIGS. 1 to 5.
  • FIG. 7 is a top plan view of the box-like element of FIG. 6.
  • FIG. 8 is a perspective view of the shell of one hinge element according to a second embodiment of the invention.
  • FIG. 9 is the box-like element for the hinge shell of FIG. 8.
  • FIG. 10 is a longitudinal sectional view of a link hinge element according to the embodiment of FIGS. 8 and 9, and
  • FIG. 11 is a longitudinal sectional view of a link hinge element according to another embodiment of the invention.
  • a link hinge comprising a pair of cylindrical shells 1, l0l each provided with a rectangular through bore.
  • the shells are connected together, in a known manner, by means of bell-crank-like levers 2, 102 hinged together intermediate their ends at 3, and each hinged at one of its ends at 4, 104 to the shells l, 101, while the opposite ends of the levers are connected together by pins 5, 105, which are slidably guided in the internal grooves 6, 106 of the shells 1, 101.
  • each shell 1, 101 is provided on one side with a slit 10 extending along a chord of the shell for a substantial length, so as to form an elastic tongue 9.
  • a hole is bored from the outer end of the shell along the plane of the slit l0, and is threaded in its upper half in which a screw 11 provided with a cylindrical extension ending with a conical tip, is screwed.
  • the shells l, 101 are provided with a flattened surface 15, extending for a length substantially corresponding to the length of the slit 10, and parallel thereof.
  • 16 is a flanged projection integral with the shell 1, 10] disposed above the flattened surface 15.
  • the shells 1, 101 are each inserted in a box like cylindrical element 12, preferably made of plastic material.
  • the box 12 is provided on its outer surface with longitudinal and circumferential ribs 13, and is provided on its inner side with a chordal projection 14, complemental to the flattened surface 15.
  • a hinge thus formed is mounted in the parts to be hinged together as follows:
  • a hole 7, 107 is bored into the parts 8, 108 to be hinged together, the hole having a diameter corresponding to the outer diameter of the boxes 12, and a length substantially equal to the length of the box 12.
  • the external side of the boxes 12 is covered with a suitable glue, and the boxes are inserted into holes 7, 107, with the inner projections 14 aligned so as to provide for the final exact alignment of the link hinge elements with respect to the parts to be hinged together.
  • the shells l, 101 are inserted into the boxes. Thanks to the cooperations of the flattened surfaces with the projections 14, the said shells are inserted into the requested final alignment into the boxes 12.
  • boxes 12 may be glued into the holes in the parts to be hinged together at a stage prior to the assembling of the hinges, so that the final assembling of the hinges may be performed in a very short time, without the need of skilled craftsmanship.
  • FIGS. 8 to 10 a second embodiment of the invention is shown, according to which the shells 1, 101 are each provided with two diametrically opposite fiattened surfaces 15.
  • the flanges 16 are provided with a through bore, through which a fastening screw 18 is inserted.
  • the fastening screws 18 are screwed, on mounting the shells 1, 101 in their respective boxes 12, into grooves 17 formed into the internal projections 14 of the boxes 12.
  • FIG. 11 a still further embodiment of the invention is shown, according to which the shells 1, 101 are provided with an adjusting slit in their bottom end, cooperating with a corresponding projection 19 formed in the bottom 112 of boxes 12 instead of with the flattened surface 15.
  • a link hinge for connecting two elements, the link hinge including a pair of hollow, substantially tubular shells hingedly interconnected at one end of each shell by link means normally housed inside said tubular shells, the improvement comprising a pair of thin walled cylindrical boxes into which said tubular shells are inserted, with each said box and its corresponding shell being substantially longitudinally coextensive, and with means in the form of at least one flattened surface formed at one side of each shell cooperating with a corresponding profile formed in each box for coupling the shells to the boxes in a non-rotatable manner, said boxes being received within respective ones of the elements to be connected.
  • a link hinge according to claim 1 further comprising means for securing said shells to said boxes, said means including a deflectable portion of said shell and a screw which engages said deflectable portion and presses said deflectable portion against the inside wall of said box within which said shell is inserted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)

Abstract

A link hinge comprising a pair of hollow, preferably cylindrical shells hingedly interconnected at one end of each shell by link means normally housed inside said tubular shell. Each shell of the link hinge is inserted in an outher box, preferably made of plastic material, which in turn may be inserted and secured by glueing in borings made in the parts to be hinged together. Means are provided in the shells and the boxes for inserting each shell in its box in a prefixed alignment, and for securing said shell to said box.

Description

United States Patent Bassan 1 June 3, 1975 [54] LINK HINGE 3,512,211 5/1970 Bassan .1 16/164 [76] Inventor: Eraclio Bassan, 91 e, Viale Porta l Adige Rovigo, Italy, 45100 Przrnary ExamznerPaul R. G1ll1am Asszstant ExammerDor1s L. Troutman Filedi y 22, 1973 Attorney, Agent, or Firm-Edwin E. Greigg [21] Appl. No.: 362,670
[57] ABSTRACT [30] Foreign Application Priority Data A link hinge comprising a pair of hollow, preferably May 30, 1972 ltaly 12693/72 Cylindrical shells hingedly interconnected at one end of each shell by link means normally housed inside- 52 us. c1 16/163; 16/164 Said tubular shell- Each Shell of the link hinge is n- 5 11 Int. Cl E05d 3/06 Sened in an Onther Preferably made of PlasfiC [58] Field 61 Search 16/163, 164, 128, 148 material, which in turn may be inserted and Secured by glueing in borings made in the parts to be hinged 5 References Cited together. Means are provided in the shells and the UNITED STATES PATENTS boxes for inserting each shell in its box in a prefixed alignment, and for securing said shell to said box, 1,484,093 2/1924 Soss 16/164 1,668,137 5/1928 Anderson 16/128 R 4 Claims, 11 Drawing Figures IIJJ aaesle zv' PATENTEDJUN 3 ms SHEET S\ \9 mg LINK HINGE BACKGROUND OF THE INVENTION shells are interconnected in a known manner by link means permitting the hinged parts to swing from a position in which the shells are co-axial and the hinge links are enclosed and concealed inside the shells to a position in which the shells are rotated by 180 and are arranged sidewise and parallel to each other.
2. Description of the Prior Art Link hinges of the kind to which this invention refer, are for instance described in the US. Pat. No. 1,484,093; 3,209,390 and 3,512,211.
In the prior art hinges, the hinge shells are secured into the holes formed in the furniture parts, by means of nails or screws passed angularly through the opposite sides of the shells and into the furniture panels, or by means of a tongue formed integrally with the hinge shells, which may be deflected laterally so as to engage the side walls of the holes, or by means of screws screwed between the shells and the encasing holes, and partially engaging into half-cylindrical recesses formed in the shells, or by means of flanges projecting laterally from the shells, and provided with bores for the passage of fastening screws.
The above fastening means are however unsuited for fastening the hinges in wood fiber panels or the like soft wood panels, as used in the furniture manufacture, due to the fact that after a very short time the hinges become loose and may be easily extracted from their encasing holes.
A still further disadvantage of the prior art hinges, resides in the fact that, in assembling the hinges to the parts to be hinged together, it is necessary to exactly adjust the hinge shells angularly in the encasing holes before fastening them inside the holes, in order to obtain a perfect closure of the parts hinged together.
The above operation is time consuming, and requires the use of skilled craftsmanship.
BRIEF SUMMARY OF THE- INVENTION cured, the box like means being in turn inserted and secured by glueing in the holes made in the parts to be hinged together.
According to a still further object of the invention, the boxes and the shells are provided with cooperating adjusting means for inserting each shell in its box in a prefixed alignment.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will be now described with reference to the accompanying drawings, in which:
FIG. I is a longitudinal sectional view of a first embodiment of a link hinge according to the invention, in a closed position.
FIG. 2 is a longitudinal sectional view of the link hinge of FIG. 1, in 'a fully open position.
FIG. 3 is a top plan view of the link hinge of FIG. 2.
FIG. 4 is a longitudinal sectional view of one hinge element, taken along the line IVIV of FIG. 3.
FIG. 5 is a side view of the hinge element of FIG. 4.
FIG. 6 is a side view of the box-like element for the link hinge of FIGS. 1 to 5.
FIG. 7 is a top plan view of the box-like element of FIG. 6.
FIG. 8 is a perspective view of the shell of one hinge element according to a second embodiment of the invention.
FIG. 9 is the box-like element for the hinge shell of FIG. 8.
FIG. 10 is a longitudinal sectional view of a link hinge element according to the embodiment of FIGS. 8 and 9, and
FIG. 11 is a longitudinal sectional view of a link hinge element according to another embodiment of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENTS OF THE INVENTION With reference to FIGS. 1 to 7 of the drawings, a link hinge is shown comprising a pair of cylindrical shells 1, l0l each provided with a rectangular through bore.
The shells are connected together, in a known manner, by means of bell-crank- like levers 2, 102 hinged together intermediate their ends at 3, and each hinged at one of its ends at 4, 104 to the shells l, 101, while the opposite ends of the levers are connected together by pins 5, 105, which are slidably guided in the internal grooves 6, 106 of the shells 1, 101.
As best shown in FIG. 5, each shell 1, 101 is provided on one side with a slit 10 extending along a chord of the shell for a substantial length, so as to form an elastic tongue 9. A hole is bored from the outer end of the shell along the plane of the slit l0, and is threaded in its upper half in which a screw 11 provided with a cylindrical extension ending with a conical tip, is screwed.
On their sides opposite to the slit 10, the shells l, 101 are provided with a flattened surface 15, extending for a length substantially corresponding to the length of the slit 10, and parallel thereof. 16 is a flanged projection integral with the shell 1, 10] disposed above the flattened surface 15.
According to the invention, as best shown in FIGS. 6 and 7, the shells 1, 101 are each inserted in a box like cylindrical element 12, preferably made of plastic material. The box 12 is provided on its outer surface with longitudinal and circumferential ribs 13, and is provided on its inner side with a chordal projection 14, complemental to the flattened surface 15.
A hinge thus formed is mounted in the parts to be hinged together as follows:
At a suitable location, a hole 7, 107 is bored into the parts 8, 108 to be hinged together, the hole having a diameter corresponding to the outer diameter of the boxes 12, and a length substantially equal to the length of the box 12. The external side of the boxes 12 is covered with a suitable glue, and the boxes are inserted into holes 7, 107, with the inner projections 14 aligned so as to provide for the final exact alignment of the link hinge elements with respect to the parts to be hinged together.
Thereafter, the shells l, 101 are inserted into the boxes. Thanks to the cooperations of the flattened surfaces with the projections 14, the said shells are inserted into the requested final alignment into the boxes 12.
Thereafter the screws 11 are screwed, thus causing the tongue 9 to spread out thus firmly clamping the hinge to the box 12.
It is evident that, due to the presence of the box 12, which is glued to the panels 8, 108, the hinge is clamped to the panels in a sure manner, even if the panels are made of a material which otherwise would not afford for a sure grip action to the hinge shells.
It is also evident that the boxes 12 may be glued into the holes in the parts to be hinged together at a stage prior to the assembling of the hinges, so that the final assembling of the hinges may be performed in a very short time, without the need of skilled craftsmanship.
ln FIGS. 8 to 10 a second embodiment of the invention is shown, according to which the shells 1, 101 are each provided with two diametrically opposite fiattened surfaces 15. The flanges 16 are provided with a through bore, through which a fastening screw 18 is inserted. The fastening screws 18 are screwed, on mounting the shells 1, 101 in their respective boxes 12, into grooves 17 formed into the internal projections 14 of the boxes 12.
In FIG. 11 a still further embodiment of the invention is shown, according to which the shells 1, 101 are provided with an adjusting slit in their bottom end, cooperating with a corresponding projection 19 formed in the bottom 112 of boxes 12 instead of with the flattened surface 15.
Having thus particularly described my invention, and the advantages deriving from its use, what I claim as my invention is:
1. In a link hinge for connecting two elements, the link hinge including a pair of hollow, substantially tubular shells hingedly interconnected at one end of each shell by link means normally housed inside said tubular shells, the improvement comprising a pair of thin walled cylindrical boxes into which said tubular shells are inserted, with each said box and its corresponding shell being substantially longitudinally coextensive, and with means in the form of at least one flattened surface formed at one side of each shell cooperating with a corresponding profile formed in each box for coupling the shells to the boxes in a non-rotatable manner, said boxes being received within respective ones of the elements to be connected.
2. A link hinge according to claim 1, in which said boxes are made of plastic material.
3. A link hinge according to claim 1, further comprising means for securing said shells to said boxes, said means including a deflectable portion of said shell and a screw which engages said deflectable portion and presses said deflectable portion against the inside wall of said box within which said shell is inserted.
4. A link hinge according to claim 1, in which said boxes are provided at their outer surfaces with longitudinal and circumferential ribs.

Claims (4)

1. In a link hinge for connecting two elements, the link hinge including a pair of hollow, substantially tubular shells hingedly interconnected at one end of each shell by link means normally housed inside said tubular shells, the improvement comprising a pair of thin walled cylindrical boxes into which said tubular shells are inserted, with each said box and its corresponding shell being substantially longitudinally coextensive, and with means in the form of at least one flattened surface formed at one side of each shell cooperating with a corresponding profile formed in each box for coupling the shells to the boxes in a non-rotatable manner, said boxes being received within respective ones of the elements to be connected.
1. In a link hinge for connecting two elements, the link hinge including a pair of hollow, substantially tubular shells hingedly interconnected at one end of each shell by link means normally housed inside said tubular shells, the improvement comprising a pair of thin walled cylindrical boxes into which said tubular shells are inserted, with each said box and its corresponding shell being substantially longitudinally coextensive, and with means in the form of at least one flattened surface formed at one side of each shell cooperating with a corresponding profile formed in each box for coupling the shells to the boxes in a nonrotatable manner, said boxes being received within respective ones of the elements to be connected.
2. A link hinge according to claim 1, in which said boxes are made of plastic material.
3. A link hinge according to claim 1, further comprising means for securing said shells to said boxes, said means including a deflectable portion of said shell and a screw which engages said deflectable portion and presses said deflectable portion against the inside wall of said box within which said shell is inserted.
US362670A 1972-05-30 1973-05-22 Link hinge Expired - Lifetime US3886627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT12693/72A IT960579B (en) 1972-05-30 1972-05-30 METHOD FOR ANCHORING CER NIERE WITH CYLINDRICAL WINGS

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US3886627A true US3886627A (en) 1975-06-03

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US (1) US3886627A (en)
JP (1) JPS4961548A (en)
BE (1) BE800228A (en)
CH (1) CH554993A (en)
DE (1) DE2327100A1 (en)
ES (1) ES415623A1 (en)
FR (1) FR2187003A5 (en)
GB (1) GB1411307A (en)
IT (1) IT960579B (en)
NL (1) NL7307620A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270240A (en) * 1977-08-19 1981-06-02 Richard Heinze Gmbh & Co. Kg Hinge cup for furniture hinges
US20050198778A1 (en) * 2004-03-11 2005-09-15 Hubert Neukotter Hinge plate for concealed placement between door frame and door
US20080141842A1 (en) * 2006-12-15 2008-06-19 Harvey Leach Travel string instrument and method of making same
US20080141488A1 (en) * 2006-12-15 2008-06-19 Harvey Leach Hinge for travel string instrument
US20080289146A1 (en) * 2007-05-22 2008-11-27 Shun-Tzu Chen Hidden type of hinge structure
US20090173207A1 (en) * 2007-12-17 2009-07-09 Harvey Leach Travel string instrument and method of making same
US20090241292A1 (en) * 2008-04-01 2009-10-01 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Hinge assembly and computer housing using the same
US20100122431A1 (en) * 2008-11-14 2010-05-20 Neukoetter Hubert Concealed door hinge
EP2233669A2 (en) * 2009-03-09 2010-09-29 MACO Vermögensverwaltung GmbH Fitting device and window or door with same
US20120286224A1 (en) * 2011-05-10 2012-11-15 Gordon Duffy Metal fence assembly with concealed hinge connection
US8656623B1 (en) * 2012-11-07 2014-02-25 Advanced Technology International USA, LLC Side folding stock assembly with concealed hinge arrangement
US20150259960A1 (en) * 2014-03-17 2015-09-17 Austin Hardware & Supply, Inc. Concealed Hinge
US20170275941A1 (en) * 2016-03-22 2017-09-28 Olson Kundig, Inc System and method for implementing an improved bi-fold shutter
US9816302B2 (en) * 2016-02-11 2017-11-14 Siemens Industry, Inc. Concealed external hinge with 180 degree rotation

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137691B (en) * 1983-01-24 1986-07-16 Dantville Limited Folding element
GB2137689B (en) * 1983-01-24 1986-06-11 Dantville Limited Movable flap
EP0158604A3 (en) * 1984-02-29 1986-10-08 Società "OMAS" - S.r.l. Invisible hinge with simplified mechanism and flexible fixing shells
JPS61211480A (en) * 1985-03-18 1986-09-19 株式会社 ニチベイ Hinge
GR880100083A (en) * 1988-02-15 1994-03-31 Kosmas Sakatis Accessory of hinge supporting on one arm fixed on a mechanism of folding pieces of furniture
JPH077497Y2 (en) * 1990-04-27 1995-02-22 タキゲン製造株式会社 Multi-axis hidden hinge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1484093A (en) * 1921-11-21 1924-02-19 Soss Joseph Hinge
US1668137A (en) * 1928-05-01 Hinge
US3512211A (en) * 1966-10-13 1970-05-19 Bassen & C S R L Off Mec Link hinges

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668137A (en) * 1928-05-01 Hinge
US1484093A (en) * 1921-11-21 1924-02-19 Soss Joseph Hinge
US3512211A (en) * 1966-10-13 1970-05-19 Bassen & C S R L Off Mec Link hinges

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270240A (en) * 1977-08-19 1981-06-02 Richard Heinze Gmbh & Co. Kg Hinge cup for furniture hinges
US20050198778A1 (en) * 2004-03-11 2005-09-15 Hubert Neukotter Hinge plate for concealed placement between door frame and door
US7861378B2 (en) * 2004-03-11 2011-01-04 Simonswerk, Gesellschaft mit beschränkter Haftung Hinge plate for concealed placement between door frame and door
US20080141842A1 (en) * 2006-12-15 2008-06-19 Harvey Leach Travel string instrument and method of making same
US20080141488A1 (en) * 2006-12-15 2008-06-19 Harvey Leach Hinge for travel string instrument
US7902442B2 (en) * 2006-12-15 2011-03-08 Voyage-Air Inc. Hinge for travel string instrument
US7652205B2 (en) * 2006-12-15 2010-01-26 Voyage-Air Guitar Inc. Travel string instrument and method of making same
US20080289146A1 (en) * 2007-05-22 2008-11-27 Shun-Tzu Chen Hidden type of hinge structure
US7754950B2 (en) * 2007-12-17 2010-07-13 Voyage-Air Guitar Inc. Travel string instrument and method of making same
US20090173207A1 (en) * 2007-12-17 2009-07-09 Harvey Leach Travel string instrument and method of making same
US20090241292A1 (en) * 2008-04-01 2009-10-01 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Hinge assembly and computer housing using the same
US8196265B2 (en) * 2008-11-14 2012-06-12 Simonswerk Gmbh Concealed door hinge
US20100122431A1 (en) * 2008-11-14 2010-05-20 Neukoetter Hubert Concealed door hinge
EP2233669A2 (en) * 2009-03-09 2010-09-29 MACO Vermögensverwaltung GmbH Fitting device and window or door with same
US20120286224A1 (en) * 2011-05-10 2012-11-15 Gordon Duffy Metal fence assembly with concealed hinge connection
US8656623B1 (en) * 2012-11-07 2014-02-25 Advanced Technology International USA, LLC Side folding stock assembly with concealed hinge arrangement
US20150259960A1 (en) * 2014-03-17 2015-09-17 Austin Hardware & Supply, Inc. Concealed Hinge
US9523225B2 (en) * 2014-03-17 2016-12-20 Austin Hardware And Supply, Inc. Concealed hinge
US9816302B2 (en) * 2016-02-11 2017-11-14 Siemens Industry, Inc. Concealed external hinge with 180 degree rotation
US20170275941A1 (en) * 2016-03-22 2017-09-28 Olson Kundig, Inc System and method for implementing an improved bi-fold shutter
US10655383B2 (en) * 2016-03-22 2020-05-19 Olson Kundig, Inc. System and method for implementing an improved bi-fold shutter
US20220235603A1 (en) * 2016-03-22 2022-07-28 Olson Kundig, Inc. System and method for implementing an improved bi-fold shutter

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Publication number Publication date
GB1411307A (en) 1975-10-22
NL7307620A (en) 1973-12-04
DE2327100A1 (en) 1973-12-20
JPS4961548A (en) 1974-06-14
IT960579B (en) 1973-11-30
FR2187003A5 (en) 1974-01-11
ES415623A1 (en) 1976-02-01
CH554993A (en) 1974-10-15
BE800228A (en) 1973-09-17

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