EP0640738A1 - Door operating mechanism - Google Patents

Door operating mechanism Download PDF

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Publication number
EP0640738A1
EP0640738A1 EP94610044A EP94610044A EP0640738A1 EP 0640738 A1 EP0640738 A1 EP 0640738A1 EP 94610044 A EP94610044 A EP 94610044A EP 94610044 A EP94610044 A EP 94610044A EP 0640738 A1 EP0640738 A1 EP 0640738A1
Authority
EP
European Patent Office
Prior art keywords
operating mechanism
door
door operating
cabinet
pivot shaft
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.)
Withdrawn
Application number
EP94610044A
Other languages
German (de)
English (en)
French (fr)
Inventor
Bo Salling
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.)
Scanbur AS
Original Assignee
Scanbur AS
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 Scanbur AS filed Critical Scanbur AS
Publication of EP0640738A1 publication Critical patent/EP0640738A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/08—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with a rotary bar for actuating the fastening means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/18—Details of fastening means or of fixed retaining means for the ends of bars
    • E05C9/1808—Keepers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
    • E05B53/003—Operation or control of locks by mechanical transmissions, e.g. from a distance flexible

Definitions

  • the present invention relates to improvements in door operating mechanisms, and especially door operating mechanisms for cabinets, comprising a vertical elastic pivot shaft equipped with eccentric pins at opposite ends thereof to cooperate with keeper members.
  • a number of clamps which are secured to the door at a certain distance from the top and the bottom accomodate the vertical shaft.
  • the fixing of the shaft by means of a number of clamps provides the vertical shaft with an elastic effect thereby ensuring optimal tightening of the door.
  • said door operating mechanism comprises two eccentric pins which cooperate with keeper members at the top and at the bottom.
  • Said door operating mechanism is manufactured from up to approximately 30 individual components.
  • cabinet doors e.g. doors for laboratory cabinets, experimental animal cabinets, refrigerator cars, refrigerators, deep freezers, containers, industrial washing machines, and industrial automatic dishwashers.
  • Another object of the present invention is to provide a door operating mechanism consisting of as few individual parts as possible, and thereby reducing manufacturing costs for materials, moulding tools, mounting, etc. to a minimum.
  • a further object of the present invention is to provide a door operating mechanism which can be easily cleaned by comprising only simple components in a limited number.
  • a door operating mechanism and preferably a door operating mechanism comprising a vertical elastic pivot shaft equipped with two eccentric pins, as follows:
  • a door operating mechanism preferably a door operating mechanism for cabinets, comprising a vertical pivot shaft (2) equipped with eccentric pins (5) at opposite ends thereof to cooperate with keeper members (3) characterized by , that the vertical pivot shaft (2) is fixed by one or more clamps (4) secured to the door at certain distances from the bottom and the top of the cabinet doors thereby permitting the elastic force occuring in the vertical pivot shaft (2) to be employed to close the door tightly against the sealing gasket on the cabinet.
  • a door operating mechanism as above characterized by, that the door operating mechanism includes the following individual components: a vertical elastic pivot shaft including handle and eccentric pins (1); keeper members (3) at the top and at the bottom; as well as a number of clamps (4) secured to the cabinet door for fixing of the vertical shaft (2).
  • cabinet doors for e.g. laboratory cabinets, experimental animal cabinets, refrigerator cars, containers, refrigerators, deep freezers, industrial washing machines, and industrial automatic dishwashers.
  • the invention has been developed with the main object of ensuring optimal tightening of the cabinet doors. This has been achieved by using the elastic effect occuring in the vertical shaft (2) when fixed in a number of clamps on the cabinet door.
  • the present invention is especially suitable for a ventilated cabinet with highly efficient filters mounted on the air in- and outlet.
  • cabinets especially are used to house experimental animals in connection with various research projects, it is of the utmost importance that the cabinet doors are tight in closed position. This prevents non-filtered air from entering through leaks e.g. where the doors meet the cabinet. The consequence of non-filtered air entering the cabinet may result in unreliable, non-reproducible, and incomparable test results.
  • a constant and equally distributed force from the pressure of the sealing gasket is applied to the door frame (the working force to be applied to the sealing gasket in question according to the manufacturer).
  • the equally distributed force occuring from the sealing gasket and one single force at each end of half the horizontal sealing force from the profile at the top and at the bottom, act on the vertical closing profile of the door frame.
  • the pivot shaft of the door operating mechanism exerts a pressure on the door frame through a number of clamps, with an opposite force corresponding to the pressure of the sealing gasket. This force occurs when the keeper members at each end make the pivot shaft bend at the clamps.
  • the number and the position of the clamps are calculated so that the bending of the closing profile of the door is reduced to a minimum.
  • the keeper members are so designed that said bending is maintained when the door is closed resulting in a constant elastic force being exerted on the door by the pivot shaft.
  • the pivot shaft is constituted of for example a crankshaft.
  • the pivot shaft forms part of a body (1) defined by two bars of which one is the vertical elastic pivot shaft (2) and the other is a handle (7). These bars are preferably fully welded to the top and bottom end surfaces (6). Eccentric pins are preferably welded to the opposite sides of said end surfaces, for engagement with keeper members (3) secured to the top and bottom of the cabinet.
  • the body follows the full heigth of the cabinet.
  • the keeper member is symmetrical thereby permitting the same keeper member to be used at both the top and the bottom of the cabinet. This is preferable when using double hinged doors.
  • the keeper member is provided with a fender effect protecting the handles from bumps, etc. for example during transportation.
  • Said fender effect is provided by making the keeper member sufficiently large to constitute the outermost point of the cabinet at both the top and the bottom.
  • said door operating mechanism is very simple to handle in that the handle (7) is provided by a vertical bar which follows the height of the cabinet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
EP94610044A 1993-08-25 1994-08-19 Door operating mechanism Withdrawn EP0640738A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK959/93 1993-08-25
DK95993A DK95993A (da) 1993-08-25 1993-08-25 Lukkemekanisme

Publications (1)

Publication Number Publication Date
EP0640738A1 true EP0640738A1 (en) 1995-03-01

Family

ID=8099436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94610044A Withdrawn EP0640738A1 (en) 1993-08-25 1994-08-19 Door operating mechanism

Country Status (2)

Country Link
EP (1) EP0640738A1 (da)
DK (1) DK95993A (da)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE147772C (da) *
DE207300C (da) *
US1728530A (en) * 1927-02-09 1929-09-17 Symington T H & Son Inc Door-securing mechanism
DE562576C (de) * 1931-03-12 1932-10-27 Oscar Fredrik Jansson Espagnoletteverschluss
FR1122408A (fr) * 1955-02-23 1956-09-06 Chausson Usines Sa Mécanisme pour la commande simultanée de deux organes et notamment de deux serrures
FR2685898A1 (fr) * 1992-01-08 1993-07-09 Zivanovic Milivoye Dispositif antivol pour porte de vehicule utilitaire ou de conteneur.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE147772C (da) *
DE207300C (da) *
US1728530A (en) * 1927-02-09 1929-09-17 Symington T H & Son Inc Door-securing mechanism
DE562576C (de) * 1931-03-12 1932-10-27 Oscar Fredrik Jansson Espagnoletteverschluss
FR1122408A (fr) * 1955-02-23 1956-09-06 Chausson Usines Sa Mécanisme pour la commande simultanée de deux organes et notamment de deux serrures
FR2685898A1 (fr) * 1992-01-08 1993-07-09 Zivanovic Milivoye Dispositif antivol pour porte de vehicule utilitaire ou de conteneur.

Also Published As

Publication number Publication date
DK95993D0 (da) 1993-08-25
DK95993A (da) 1995-02-26

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