WO1992016125A1 - Bureau pourvu d'un dispositif de securite - Google Patents

Bureau pourvu d'un dispositif de securite Download PDF

Info

Publication number
WO1992016125A1
WO1992016125A1 PCT/AU1992/000111 AU9200111W WO9216125A1 WO 1992016125 A1 WO1992016125 A1 WO 1992016125A1 AU 9200111 W AU9200111 W AU 9200111W WO 9216125 A1 WO9216125 A1 WO 9216125A1
Authority
WO
WIPO (PCT)
Prior art keywords
drawer
desk
locking
control device
catch
Prior art date
Application number
PCT/AU1992/000111
Other languages
English (en)
Inventor
Herbert Kersten
Original Assignee
Herbert Kersten
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 Herbert Kersten filed Critical Herbert Kersten
Publication of WO1992016125A1 publication Critical patent/WO1992016125A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers
    • E05B65/462—Locks or fastenings for special use for drawers for two or more drawers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2220/00—General furniture construction, e.g. fittings
    • A47B2220/0091—Electronic or electric devices
    • A47B2220/0097—Remote control for furniture, e.g. tables or shelves
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor

Definitions

  • the invention relates to furniture items such as desks and work-stations, typically desks and work-stations 5 to be used by executive businessmen or Government employees, which incorporate certain security devices including self-locking and automatic drawer retraction devices.
  • the present inventor has identified this problem and has set about providing a solution by way of a desk or work-station incorporating automatic drawer retraction and locking mechanisms controlled by a pseudo intelligent 25 device.
  • the term "desk” includes any furniture item such as a desk, table, work-station or similar article to which the invention may be applied. 30 DISCLOSURE OF THE INVENTION * Accordingly, one broad form of the invention can be
  • a desk including: - (i) at least one drawer slidable between fully open and closed positions and being biased towards the closed 35 position by a drawer closure device; (ii) a drawer catch for each drawer actuable so as to releasably retain each respective drawer in any position against the bias of the drawer closure device;
  • a locking control device which performs a locking procedure being, in sequence, release of each drawer catch and upon completing closure of each drawer the actuation of the drawer locking mechanism.
  • the drawer closure devices include energy storing spring means and retraction movement damping means so that energy expended manually when opening a drawer is stored by spring means and effects a gradual drawer closure upon release of the drawer.
  • the drawer catch is electrically controlled and both manually and automatically actuable.
  • the locking control device commences the locking procedure after a predetermined time delay.
  • the desk further includes an occupancy sensor that detects the presence or absence of a predetermined authorised person, the occupancy sensor being monitored by the locking control device which will perform said locking procedure whenever the sensor indicates a change, or a time delay after a change, from presence to absence of an authorized person.
  • the occupancy sensor may be a detector for detecting a radio frequency tag to be worn by any authorised person.
  • the desk further includes seamless communication devices for the communication of signals between the desk device and co-operative other devices which may be associated with nearby furniture such as filing cabinets incorporating further drawer catches and locking mechanisms.
  • An embodaiment of the drawer locking mechanism comprises a locking component movable under electric control between locked and unlocked positions, and lock receiving portions being integral with each drawer and adapted to receive, when the drawer is in the closed position, a corresponding mating portion of the locking component as it moves to its locked position so that in the locked position each drawer cannot be moved from its closed position.
  • low powered electrical devices are utilized to motivate the locking mechanism, to control the drawer catch and to run the locking control device, such electrical devices being supplied by conventional electrical power or electrical storage devices such as rechargeable batteries stored within the desk or work-station and trickle-fed by photo voltaic cell technology such as from an amorphous film inlaid into the working surface of the desk or work-station.
  • the locking control devices actuate the locking mechanism to unlock the drawers on receipt of a programmed security signal.
  • the signal may be derived from coded input data (P.I.N. data), palm or fingerprint reading, key-codes such as magnetic keys, optical retina recognition or the like.
  • FIG. 1 is a perspective view of a typical desk or work-station incorporating an embodiment of the invention
  • Fig. 2 is a perspective view of drawers and locking components of the desk or work-station of Fig. 1;
  • Fig. 3 is a perspective representation of a status panel of the desk or work-station of Fig. 1;
  • Fig. 4 shows a "coffee table" for use in conjunction with the desk of Fig. 1;
  • Fig. 5 shows a typical filing cabinet to be used in conjunction with the desk of Fig. 1;
  • Fig. 6 is a logic flow chart of control sequences applicable to a desk or work-station in accordance with an embodiment of the invention.
  • a desk 10 includes a number of perimeter region panels 11 which consist of amorphous film.
  • the amorphous film 11 is connected to internal rechargeable batteries.
  • the battery and amorphous film supply the small electrical demand of the desk or work-station.
  • a user of the desk or work-station will normally occupy a chair.
  • the chair monitors its own occupancy or non-occupancy by means of a sensor built into the chair.
  • the chair communicates with the desk or work-station by means of seamless data transfer technology such as a wire-free infra red connection, which triggers microprocessor actions within the desk or work-station dependent upon the occupancy or otherwise of the chair.
  • Non-occupancy of the chair activates the locking control device performed in the following sequence: (1) release of all drawer catches and (2) closure of all drawers.
  • the actuation of the drawer locking mechanism is effected after a predetermined time delay period.
  • the desk or work-station may include certain ancillary equipment not essential to its functioning, such as audio speakers 14 driven by a high fidelity sound entertainment system.
  • a status panel 15 is incorporated proximate the occupancy area of the desk or work-station 10 .
  • the status panel 15 provides on request, stored and current information regarding the activities that have been conducted by the desk or instances detected by the desk sensors. Such activities and incidences can include but are not restricted to: authorised control of the desk systems, detected occupancy of the chair, battery level monitor, infra red malfunction monitor, abnormal occurrences such as attempted forced opening of drawers, and unauthorized occupancy of the chair.
  • the status panel furthermore delivers time and calendar information and a 24 hour proverb.
  • the main feature of the desk or work-station is its security system which effects automatic locking of the drawers 12.
  • the automatic drawer retraction is based on individual units for each respective drawer 12, each unit including an energy storage component, such as a spring device, which is connected to its respective drawer so that when the drawer is manually opened some energy expended in opening the drawer is stored in the spring.
  • the spring thus biases the drawer towards its closed position. This movement is slowed by a damping device to provide gradual closure of the drawer. So that the drawer may be freely accessed when desired, an electrically operated “catch” is incorporated, there being a catch/uncatch thumb switch proximate the top edge of each front drawer panel 12. When “catched” the drawer will remain open until it is “uncatched” either by further manual operation of the switch or by automatic operation to be described below.
  • Each drawer 12 has a rear panel 16 including a female dovetail 17 cut downward from the top rear surface of each panel 16.
  • the area 19 is manufactured out of metal to ensure longevity of wear and provide for the fine tolerances necessary for the locking/unlocking functions.
  • the vertical length of the dovetails 17 and 18 is somewhat less than the vertical gap "x" between the top of one drawer 12 and the bottom of the next highest drawer.
  • the locking rod 20 is controllably slidable vertically upwardly and downwardly so as to engage the dovetails 17 and 18 when in the raised unlocked position.
  • the locking rod 20 is constrained against movement other than the vertical sliding movement, by suitable bearing restraints along its length. In controlling the locking of the drawers 12 the locking rod 20 need only be moved from one appropriate position to another, and thus it requires the use of an electrical impulse only when the state of locking is being changed.
  • each panel 16 located at the rear of each panel 16 is a contact sensor assembly 21 which will detect the respective drawer 12 being in the closed position and further will detect any minor disturbance or movements in that drawer when it is in the closed position.
  • a microprocessor which controls the sequenced action of the various devices and is connected to the sensors of the chair and to a suitable device for receiving "unlocking" security clearance.
  • the microprocessor will control writing and reading to storage devices and to the status panel 15. It may also be connected to conventional telephone lines so as to receive coded directives from remote locations, particularly for the purposes of unlocking.
  • the microprocessor can be programmed to control the various functions of the desk or work-station; for instance if the desk or work-station is "unlocked” and the chair or office suite is "occupied” by the authorized person, then a change to non-occupied will commence a delay countdown which will normally end in the movement of the locking rods to the locked positions. Thus the desk or work-station moves from an unlocked occupied stage to a locked unoccupied state and will only be unlocked on receipt of the appropriate pre-programmed security signal.
  • the control can be more sophisticated. In the above procedure while counting down through the delayed time after drawer retraction, the following security incursions by unauthorised persons are addressed by the system:
  • the present system distinguishes between authorized person and non-authorized person by means of a radio-frequency tag worn by the authorized person.
  • the infra-red rim 13 transmits a frequency to the tag.
  • the delay-count immediately proceeds to zero and lock up occurs.
  • FIG. 6 shows a logic flow chart which describes the operation in more detail.
  • the initials AP; UP; and TDL equate to Authorised Person(s); Unauthorised Person(s); and Time Delay Locking respectively.
  • T.D.L. commences when the authorised person leaves, it is cancelled if the authorised person returns, it proceeds without delay to complete locking if an unauthorised person disturbs the draws or occupies the desk and, in other cases, it proceeds to lock up the desk after the predetermined delay period expires.
  • Fig. 1 features an infra-red rim 13 which encircles the desk or work-station in 360 degrees which performs two functions:
  • a lock or unlock command can be transmitted by the desk (or work-station) and received by other items of furniture incorporating an infra-red rim 13 such as filing cabinets, side-boards, wall units in proximity to the desk or work-station.
  • Such additional items of furniture also incorporate a locking mechanism similar to that contained within the desk or work-station enabling the locking or unlocking of drawers 12 or doors (not shown) .
  • Such items of furniture are "finger-printed" to the appropriate desk or work-station by the programming of a frequency unique to the desk or work-station.
  • the seamless transmission of control signals can be effected between the desk and cooperative surrounding furniture or other devices.
  • the table 22 includes corner recesses 23 sized to accept typical cups, coffee mugs and drinking glasses.
  • Each recess 23 includes a manual switch and an automatic temperature sensor to maintain a predetermined temperature for a hot or cold beverage.
  • an overhead light heating device such as quartz halogen heating, is activated whenever a sensor indicates the positioning of a beverage container in the recess 23.
  • the supporting horizontal surface of the area 23 is cooled by a heat pump.
  • a switch determines what setting is required. While the described embodiment utilises particular devices for effecting particular tasks, many alternatives may be available to effect the same tasks. For example seamless communication between the various articles of furniture can be provided by alternative means such as radio frequency means, and the determination of the presence of an authorised person need not be by radio-frequency tagging.

Landscapes

  • Lock And Its Accessories (AREA)
  • Drawers Of Furniture (AREA)

Abstract

Bureau (10) comprenant un certain nombre de tiroirs (12), chacun des tiroirs (12) étant actionné par ressorts et pouvant coulisser vers des positions fermées. Des mécanismes de verrouillage à actionnement électrique verrouillent les tiroirs (12) dans leurs positions fermées. Chaque tiroir (12) peut être maintenu ouvert, à l'encontre de l'action de fermeture du ressort, par l'intermédiaire d'un élément d'arrêt libérable à la fois manuellement et automatiquement (électriquement). Le bureau (10) comprend un mécanisme de commande pseudo-intelligent qui actionne les éléments d'arrêt et les mécanismes de verrouillage de sorte que, dans certaines conditions prédéterminées, les tiroirs (12) seront automatiquement refermés et verrouillés. Ces conditions prédéterminées de fermeture et de verrouillage des tiroirs (12) comprennent (a) la détection du départ d'une personne prédéterminée et autorisée et (b) la détection du mouvement d'un tiroir (12) lorsque les conditions indiquent que les tiroirs devraient demeurer fermés. Le bureau (10) comprend un rebord à infrarouge (13) permettant une communication infrarouge entre le bureau (10) et le mobilier environnant équipé de façon analogue, et des étiquettes à radiofréquence devant être portées par des personnes autorisées.
PCT/AU1992/000111 1991-03-14 1992-03-13 Bureau pourvu d'un dispositif de securite WO1992016125A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK508291 1991-03-14
AUPK5082 1991-03-14

Publications (1)

Publication Number Publication Date
WO1992016125A1 true WO1992016125A1 (fr) 1992-10-01

Family

ID=3775277

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1992/000111 WO1992016125A1 (fr) 1991-03-14 1992-03-13 Bureau pourvu d'un dispositif de securite

Country Status (1)

Country Link
WO (1) WO1992016125A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10000343A1 (de) * 2000-01-07 2001-07-19 Moll Sys & Funktions Moebel Schreib- oder Arbeitstisch
EP1233128A1 (fr) * 2001-02-16 2002-08-21 eff-eff Fritz Fuss GmbH & Co. Kommanditgesellschaft auf Aktien Dispositif et procédé de protection des conteneurs contre l'ouverture non-autorisée
CN101431919B (zh) * 2006-04-04 2011-08-03 格拉斯有限公司 用于使第一家具部件相对于第二家具部件运动的装置以及家具
WO2015134052A1 (fr) * 2014-03-07 2015-09-11 Ergotron Armoire de rangement de dispositifs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973814A (en) * 1975-06-04 1976-08-10 Amerock Corporation Drawer slide assembly for self-closing drawer
JPH03236198A (ja) * 1990-02-13 1991-10-22 Nisca Corp 机上ランプのスイッチング方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973814A (en) * 1975-06-04 1976-08-10 Amerock Corporation Drawer slide assembly for self-closing drawer
JPH03236198A (ja) * 1990-02-13 1991-10-22 Nisca Corp 机上ランプのスイッチング方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, E 1155, page 135; & JP,A,3 236 198 (NISCA CORP), 22 October 1991. *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10000343A1 (de) * 2000-01-07 2001-07-19 Moll Sys & Funktions Moebel Schreib- oder Arbeitstisch
DE10000343B4 (de) * 2000-01-07 2004-04-29 Moll System- und Funktions-Möbel GmbH Schreib- oder Arbeitstisch
EP1233128A1 (fr) * 2001-02-16 2002-08-21 eff-eff Fritz Fuss GmbH & Co. Kommanditgesellschaft auf Aktien Dispositif et procédé de protection des conteneurs contre l'ouverture non-autorisée
CN101431919B (zh) * 2006-04-04 2011-08-03 格拉斯有限公司 用于使第一家具部件相对于第二家具部件运动的装置以及家具
WO2015134052A1 (fr) * 2014-03-07 2015-09-11 Ergotron Armoire de rangement de dispositifs
US9665135B2 (en) 2014-03-07 2017-05-30 Ergotron, Inc. Device storage cabinet

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