US3810274A - Pivot and guide rod assembly for bi-fold door - Google Patents

Pivot and guide rod assembly for bi-fold door Download PDF

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Publication number
US3810274A
US3810274A US00382486A US38248673A US3810274A US 3810274 A US3810274 A US 3810274A US 00382486 A US00382486 A US 00382486A US 38248673 A US38248673 A US 38248673A US 3810274 A US3810274 A US 3810274A
Authority
US
United States
Prior art keywords
sleeve
channel
head portion
pivot rod
head
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.)
Expired - Lifetime
Application number
US00382486A
Other languages
English (en)
Inventor
R Ford
K Wright
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.)
Evans Products Co
Original Assignee
Evans Products Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23509169&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US3810274(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Evans Products Co filed Critical Evans Products Co
Priority to US00382486A priority Critical patent/US3810274A/en
Priority to ES423250A priority patent/ES423250A1/es
Priority to IT49506/74A priority patent/IT1011126B/it
Priority to LU69763A priority patent/LU69763A1/xx
Priority to GB1461374A priority patent/GB1440862A/en
Priority to FR7412522A priority patent/FR2238830B1/fr
Priority to IE739/74A priority patent/IE39447B1/xx
Priority to CA196,913A priority patent/CA1001943A/en
Priority to DE2416960A priority patent/DE2416960C2/de
Priority to BE142952A priority patent/BE813428A/xx
Priority to NL7405577.A priority patent/NL158248B/xx
Publication of US3810274A publication Critical patent/US3810274A/en
Application granted granted Critical
Priority to DK397674A priority patent/DK397674A/da
Priority to US06/172,255 priority patent/USRE31553E/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E05D15/264—Suspension arrangements for wings for folding wings for bi-fold wings
    • E05D15/266—Suspension arrangements for wings for folding wings for bi-fold wings comprising two pivots placed at opposite edges of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING 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
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • ABSTRACT 3 16/169 1 -Pivot and guide rod assembly for bi-fold do'or includes [581 Field J'rh'.III'i'i'ii'"@5'506- 16/168 Y and W 16/169 porting a pivot rod.
  • a spring 1s arranged to urge pivot rod outwardly from sleeve, latch means being provided to retain pivot rod in retracted position during [56] uNlTE g ggizi gs gzqrENTs shipping and mounting of door.
  • the present invention is concerned with an upper pivot or guide assembly for use with a bifold door having a formed metal face sheet and a stiffening channel secured along one edge of the sheet.
  • the pivot or guide assembly of the invention comprises an elongated plastic sleeve which is adapted to extend through openings in the flanges of the stiffening channel, the sleeve having means operatively arranged to engage the channel to retain the sleeve therein.
  • a pivot rod is provided which includes a shank portion positioned within the sleeve and slidable longitudinally therein.
  • the pivot rod is provided with an enlarged head portion and a compression spring is operatively arranged between the head portion of the rod and an end of the sleeve for urging the head portion away from the sleeve.
  • a latch means is provided for releasaby engaging such head .portion and retaining the same in close proximity to the end of the sleeve during shipment and assembly of the door.
  • the latch means is adapted to easily disengage to permit release of the head portion and the pivot rod to be pushed partially outwardly of the sleeve. In the outward position the head portion is adapted to engage within a socket or track as selected so as to retain the door in operative position.
  • FIG. 1 is an enlarged sectional view through a pivot rod assembly and a portion of a door illustrating the pivot rod assembly in its retracted position prior to installation of a door;
  • FIG. 2 is an elevation of a comer of a door assembly showing the pivot rod assembly in its extended, operative position
  • FIG. 3 is a sectional view taken substantially along line 3-3 of FIG. 2;
  • FIG. 4 is a sectional view taken along line 4-4 of FIG. 2;
  • FIG. 5 is a fragmentary view showing the arrangement of the pivot rod and track when used as a guide.
  • the invention is particularly concerned with an improved construction of bi-fold or folding door construction such as is shown in US. Pat. Nos. 2,898,987 and 2,943,675.
  • Doors of this nature comprise a pair of door sections which are pivotally secured at the left and righthand sides of a closet opening or doorway.
  • Each door section comprises a pair of panels, an outside panel which is vertically pivoted adjacent one side of the closet opening, and an inside panel which is pivotally connected to the outside panel.
  • Each door section functions to open and close one half the closet opening.
  • Guide means including an upper or lower track, or both, serves as a pivot support for the outside panel and as a guide for the inside panel to the door units when in their opening and closing movements.
  • an outside panel 10 of such a door which is fabricated of sheet steel and which includes a face sheet 12 the vertical edges of which are formed to provide inturned channels 14 along the vertical edges.
  • additional stiffening is provided in the form of transverse hat sections or stiffening channels 16 which comprise flanges l8 and 20 extending substantially vertically outwardly from the surface of the face sheet 12 and a connecting web 22.
  • the channels 16 aresuitably secured as by welding to the face sheet 12.
  • the pivot assembly of the invention comprises an elongated plastic sleeve 30 of nylon or other suitable material which extends through cooperating openings 32, 34 in the flanges 18, 20, respectively.
  • an integral collar 26 Formed on the upper end of the sleeve is an integral collar 26 which abuts the outer surface of the flange 18 adjacent the upper edge of the panel 10.
  • An integral post 38 extends outwardly from one side of the collar substantially perpendicularly to the sleeve 30, the post having an integral arm 40 extending downwardly over the web 22 substantially parallel to the axis of the sleeve 30.
  • the arm 40 is provided with a finger 42 on the end thereof which extends inwardly toward the sleeve and engages in an opening 44 in the web 22 to retain the sleeve in the channel 16. It will be apparent that the sleeve 30 is mounted in the channel by sliding the sleeve through the openings 32, 34.
  • the post 38 and arm 40 have sufficient resiliency to bend the arm outwardly as the sleeve is slid into place until the finger 42 is abreast of the opening 44 at which time it snaps into place and releasably holds the sleeve in position.
  • the sleeve 30 is adapted to receive the shank portion 46 of a pivot or guide rod 48.
  • the pivot rod shank 46 is of such diameter that it may slide longitudionally within the sleeve 30.
  • the upper end of the pivot or guide rod 48 is provided with an enlarged head portion 50 which may be of nylon or other suitable plastic firmly secured as by a press fit to the end of the shank 46.
  • the head portion 50 comprises an upper cylindrical pivot head 52 adapted to be received within a suitable socket 54 suitably supported on the door frame.
  • the head portion 50 also includes a frusto-conical flange 58 projecting outwardly and downwardly, the flange 58 having a lip 60 on the outer edge thereof defining a peripheral notch or cup 62.
  • the cup 62 is adapted releasably to receive the end of a latch 64 integral with and extending from the post 38 as best shown in FIG. 1. Since both the lip 60 and the latch 64 are resilient, upward force upon the rod 46 will tend to cause deflection of these components to release the rod and to permit it to move upwardly relative to the sleeve.
  • Means are provided to urge the pivot rod 48 upwardly or outwardly with respect to the sleeve 30.
  • Such means comprises a compression spring 66, the lower end of which surrounds the upper end of the sleeve 30 immediately above the collar 26 and is removably retained thereon by a plurality of projections 70 each extending outwardly from the surface of the sleeve to engage the lower turn of the spring.
  • the upper end of the spring 66 surrounds the lower end 71 of the head portion 50 which is likewise provided with a plurality of projections 72 releasably to engage a portion of the spring.
  • the pivot socket 54 may be suitably mounted in any manner within a track 74 suitably secured to the door frame or header 76.
  • the illustrated track 74 comprise an extruded metal member including opposite archshaped side walls 78 and an inner channel 80 of rectangular cross section.
  • the bottom wall 82 of the channel 80 abuts against the header 76 and the track is suitably secured to the header, such as by screws 84.
  • the track is formed with a pair of opposite lips 86 projecting inwardly from the opposite sides of the track.
  • the pivot socket 54 is a stamped and formed metal member including a flat plate portion 88 adapted to bridge the opposite bottom edges 90 of the track 74 and having an extruded hole 92 therein for receiving the pivot rod head 52.
  • a flange 94 (FIG. 4) extends upwardly from one end of the plate portion 88 and which flange is shaped to fit snugly within channel 80, the flange 94 being connected to the plate portion by a neck 96.
  • the pivot socket 54 is clamped in place by a clamping portion including a top part 98 adapted to engage the upper edges of lips 86 and bottom part 100 adapted to engage the lower edges 90 of the track, the metal member being reversely curved to position the bottom part 100 beneath the top part 98.
  • a screw 102 extends upwardly through hole 104 in the bottom part 100 and is threadedly received in a cooperatively threaded opening 106 in the top part 98, whereby tightening of the screw 102 effects clamping of the parts 98. 100 against the respective track surfaces to fix the position of the pivot socket 54 in the track.
  • the spring 66 and pivot rod 48 are assembled, the pivot rod is inserted into the sleeve and the spring depressed until the latch 64 engages in the cup 62.
  • the sleeve 30 is then inserted through the flange openings 32, 34 until the further 42 on the arm 40 engages in the opening 44.
  • This assembly just described can be done at the factory or it can be done at the job site. It will be apparent the sleeve can be easily removed from a door in the event that it is desired to change the hand of the door at the job site or for any other reason that may occur, simply by prying up the arm 40 so that the finger 42 clears the opening 44.
  • the installer needs simply give a sharp tap to the lower end of the pivot rod 48 to effect release of the latch 64 whereupon the spring 66 will push the pivot rod upwardly so that the pivot head 52 engages within the socket 54.
  • the spring 66 will keep the pivot head engaged within the socket as the door is adjusted for height and, of course, accommodates the door to openings of various heights.
  • the extension of the nylon sleeve 30 entirely through the channel 16 eliminates metal-to-metal contact and the long sleeve adds to the smooth operating characteristics by creating with the pivot rod a piston-like action.
  • the assembly may be used as a guide by mounting the assembly in a similar manner to the inside panels of each door section in which case the pivot head 52 will slide in the channel as shown in FIG. 5.
  • a guide it may be used either at the upper end of the door or at the lower end.
  • a door panel comprising a face sheet
  • a stiffening channel secured to one surface of said sheet along an edge thereof, said channel having a pair of spaced apart flanges extending outwardly from said surface and a connecting web,
  • said assembly comprising an elongated plastic sleeve extending through corresponding openings in said flanges,
  • sleeve retaining means operatively arranged between said sleeve and said channel to retain said sleeve in said channel
  • a pivot rod having a shank portion positioned in said sleeve and slidable therein and an enlarged head portion
  • a compression spring operatively arranged between said channel and said head portion for urging said head portion away from said channel
  • said sleeve retaining means comprising an arm integral with said sleeve and releasably engaging in a cooperating notch in said channel web.
  • said releasable latch means comprising a flange on said head portion formed with a lip on the free end thereof, and a latch element on said sleeve adapted to engage said lip,
  • said lip and said latch element being resilient whereby sufficient axial force applied to said pivot rod will cause said lip and latch means to deflect and release said pivot rod for movement under the force of said spring.
  • a door panel comprising a face sheet
  • a stiffening channel secured to one surface of said sheet along an edge thereof, said channel having a pair of spaced apart flanges extending outwardly from said surface and a connecting web,
  • said assembly comprising an elongated plastic sleeve extending through corresponding openings in said flanges,
  • said sleeve having an integral collar formed on one end thereof abutting the outer surface of the flange adjacent said edge
  • said head portion having a peripheral cupped flange thereon
  • a latch integral with said post extending from said post and adapted releasably to engage said flange when said head is positioned adjacent said collar thereby to retain said head against movement away from said collar, said head being releasable by applying a sharp blow on the end of said shank portion opposite said head thereby to cum said latch from its flange engaging position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Hinges (AREA)
  • Support Devices For Sliding Doors (AREA)
US00382486A 1973-07-25 1973-07-25 Pivot and guide rod assembly for bi-fold door Expired - Lifetime US3810274A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US00382486A US3810274A (en) 1973-07-25 1973-07-25 Pivot and guide rod assembly for bi-fold door
ES423250A ES423250A1 (es) 1973-07-25 1974-02-14 Perfeccionamientos en conjuntos de puertas metalicas.
IT49506/74A IT1011126B (it) 1973-07-25 1974-03-22 Perfezionamento nelle strutture di porte a due battenti
LU69763A LU69763A1 (xx) 1973-07-25 1974-04-01
GB1461374A GB1440862A (en) 1973-07-25 1974-04-02 Metal door and pivot rod assembly
FR7412522A FR2238830B1 (xx) 1973-07-25 1974-04-03
IE739/74A IE39447B1 (en) 1973-07-25 1974-04-05 Metal door and pivot rod assembly
CA196,913A CA1001943A (en) 1973-07-25 1974-04-05 Pivot and guide rod assembly for bi-fold door
DE2416960A DE2416960C2 (de) 1973-07-25 1974-04-08 Schwenkzapfenausbildung
BE142952A BE813428A (fr) 1973-07-25 1974-04-08 Assemblage a tige pivotable pour des portes pliantes a deux battants
NL7405577.A NL158248B (nl) 1973-07-25 1974-04-25 Vouwdeur met draaistangconstructie.
DK397674A DK397674A (xx) 1973-07-25 1974-07-24
US06/172,255 USRE31553E (en) 1973-07-25 1980-07-25 Pivot and guide rod assembly for bi-fold door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00382486A US3810274A (en) 1973-07-25 1973-07-25 Pivot and guide rod assembly for bi-fold door

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US06/172,255 Reissue USRE31553E (en) 1973-07-25 1980-07-25 Pivot and guide rod assembly for bi-fold door

Publications (1)

Publication Number Publication Date
US3810274A true US3810274A (en) 1974-05-14

Family

ID=23509169

Family Applications (1)

Application Number Title Priority Date Filing Date
US00382486A Expired - Lifetime US3810274A (en) 1973-07-25 1973-07-25 Pivot and guide rod assembly for bi-fold door

Country Status (12)

Country Link
US (1) US3810274A (xx)
BE (1) BE813428A (xx)
CA (1) CA1001943A (xx)
DE (1) DE2416960C2 (xx)
DK (1) DK397674A (xx)
ES (1) ES423250A1 (xx)
FR (1) FR2238830B1 (xx)
GB (1) GB1440862A (xx)
IE (1) IE39447B1 (xx)
IT (1) IT1011126B (xx)
LU (1) LU69763A1 (xx)
NL (1) NL158248B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163480A (en) * 1984-08-24 1986-02-26 Blum Gmbh Julius Hinge casing
US6554347B1 (en) * 1999-04-09 2003-04-29 S.A. Libner Transport container with sliding curtains

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170506A (en) * 1962-04-16 1965-02-23 Fenestra Inc Door structure
US3302691A (en) * 1964-11-30 1967-02-07 Vega Ind Inc Folding door
US3372689A (en) * 1965-08-06 1968-03-12 Heritage Fireplace Equipment C Fireplace door
US3390418A (en) * 1966-08-30 1968-07-02 Leigh Prod Inc Lightweight door and mounting structure therefor
US3391723A (en) * 1966-06-21 1968-07-09 Allied Building Components Inc Folding door assembly and mounting units therefor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943675A (en) * 1957-08-05 1960-07-05 William A Ternes Door

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170506A (en) * 1962-04-16 1965-02-23 Fenestra Inc Door structure
US3302691A (en) * 1964-11-30 1967-02-07 Vega Ind Inc Folding door
US3372689A (en) * 1965-08-06 1968-03-12 Heritage Fireplace Equipment C Fireplace door
US3391723A (en) * 1966-06-21 1968-07-09 Allied Building Components Inc Folding door assembly and mounting units therefor
US3390418A (en) * 1966-08-30 1968-07-02 Leigh Prod Inc Lightweight door and mounting structure therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163480A (en) * 1984-08-24 1986-02-26 Blum Gmbh Julius Hinge casing
US6554347B1 (en) * 1999-04-09 2003-04-29 S.A. Libner Transport container with sliding curtains

Also Published As

Publication number Publication date
IE39447L (en) 1975-01-25
FR2238830A1 (xx) 1975-02-21
DK397674A (xx) 1975-03-10
CA1001943A (en) 1976-12-21
IE39447B1 (en) 1978-10-11
NL158248B (nl) 1978-10-16
DE2416960A1 (de) 1975-02-13
GB1440862A (en) 1976-06-30
NL7405577A (nl) 1975-01-28
BE813428A (fr) 1974-07-31
FR2238830B1 (xx) 1976-12-17
DE2416960C2 (de) 1985-12-05
IT1011126B (it) 1977-01-20
ES423250A1 (es) 1976-04-16
LU69763A1 (xx) 1974-07-17

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