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GB1369320A - Time-controlled safety locks - Google Patents

Time-controlled safety locks

Info

Publication number
GB1369320A
GB1369320A GB4811172A GB4811172A GB1369320A GB 1369320 A GB1369320 A GB 1369320A GB 4811172 A GB4811172 A GB 4811172A GB 4811172 A GB4811172 A GB 4811172A GB 1369320 A GB1369320 A GB 1369320A
Authority
GB
United Kingdom
Prior art keywords
blocking member
contact
time
unblocking
arm
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
Application number
GB4811172A
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.)
SELLIN OTTO GmbH
Original Assignee
SELLIN OTTO GmbH
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 SELLIN OTTO GmbH filed Critical SELLIN OTTO GmbH
Publication of GB1369320A publication Critical patent/GB1369320A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B43/00—Time locks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7006—Predetermined time interval controlled
    • Y10T70/7028—Electric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7006—Predetermined time interval controlled
    • Y10T70/7034—Clockwork control
    • Y10T70/704—Continuously operating once initiated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8027—Condition indicators

Landscapes

  • Lock And Its Accessories (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

1369320 Time-controlled locks OTTO SELLIN GmbH 19 Oct 1972 [20 Oct 1971] 48111/ 72 Heading E2A A time-controlled lock 1 comprises at least one mechanical or electric clockwork mechanism 3 for withdrawing a blocking member 8 or for unblocking the path of a locking member 10 at a preselectable time and separate therefrom an optical and/or acoustic indicating device associated with the clockwork mechanism(s) or directly or indirectly driven thereby for disclosing the presence of and the blocking of the lock and for indicating at least the final part of the time remaining to the unblocking of the lock. The indicating device may comprise a ammeter which is in circuit with a variable potentiometer, the potentiometer having a setting pinion which is driven by a rack of the blocking member 8 (Fig. 4, not shown). Alternatively the blocking member 8 may be provided with a contact which cooperates with a series of fixed contacts each of which is in the circuit of a signalling lamp (Figs. 5 to 8, not shown). The contact of the member 8 may be of sufficient area to bridge two contacts as it moves from one contact to the next. The contact of the member may be a rotary multi-position contact. A gear wheel on the output shaft of at least one of the clockwork mechanisms may be connected to a potentiometer. The blocking member 8 may be moved more quickly during the final part of the unblocking movement then during the remainder thereof, the scales of the visual indicator being correspondingly "stretched". The two stage movement is achieved, as shown, by providing a shift bar 7 actuated by a pin 5 of a clockwork mechanism 3. The shift bar 7 is mounted on swing arms 25, 26 and a transmission arm 28 is connected to swing arm 26 at its pivot 27. The arm 28 has a slot 30 in which works a pin 31 of a pivoted lever arm 29 which co-operates with the blocking member 8 to withdraw the same. The slot 30 is provided with a "kink" 33 which provides for the increased rate of withdrawal of the blocking member 8.
GB4811172A 1971-10-20 1972-10-19 Time-controlled safety locks Expired GB1369320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712152221 DE2152221A1 (en) 1971-10-20 1971-10-20 TIME LOCK

Publications (1)

Publication Number Publication Date
GB1369320A true GB1369320A (en) 1974-10-02

Family

ID=5822879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4811172A Expired GB1369320A (en) 1971-10-20 1972-10-19 Time-controlled safety locks

Country Status (4)

Country Link
US (1) US3835679A (en)
DE (1) DE2152221A1 (en)
GB (1) GB1369320A (en)
NL (1) NL7214288A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135380A (en) * 1983-02-11 1984-08-30 Fox & Company Limited Thomas A timelock

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538837A1 (en) * 1982-12-29 1984-07-06 Sud Est Credit Agricole Mutuel SYSTEM FORMING COMBINATION LOCK WITH DELAYED OPENING
US4655061A (en) * 1984-10-01 1987-04-07 Kumahira Safe Co., Inc. Clock lock
US4875351A (en) * 1988-08-19 1989-10-24 Sargent & Greenleaf, Inc. Electronic time lock
DE19738748C2 (en) * 1997-09-04 2002-07-18 Sphinx Elektronik Gmbh & Co Kg Locking device, in particular for a safe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US665374A (en) * 1898-07-13 1901-01-01 Yale & Towne Mfg Co Time-lock.
US717477A (en) * 1902-02-17 1902-12-30 Arthur C Walther End-cell-switch indicator.
US925900A (en) * 1908-06-13 1909-06-22 Lawrence N Breeding Lock for toy banks.
US1164378A (en) * 1915-09-14 1915-12-14 Yale & Towne Mfg Co Time-lock.
US2561512A (en) * 1945-11-19 1951-07-24 British Tube Mills Australia P Quantity indicator for drawbenches or the like
US2772411A (en) * 1954-10-25 1956-11-27 Fishfader S Boom angle indicator for cranes
US3227863A (en) * 1961-08-03 1966-01-04 Auerbach Electronics Corp Digital position control and/or indicating system
US3509527A (en) * 1965-10-12 1970-04-28 William S Oakes Guidance systems for directing the driver of a car along a prescribed pathway
US3643420A (en) * 1969-10-14 1972-02-22 Tri Tech Clock system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135380A (en) * 1983-02-11 1984-08-30 Fox & Company Limited Thomas A timelock

Also Published As

Publication number Publication date
NL7214288A (en) 1973-04-25
US3835679A (en) 1974-09-17
DE2152221A1 (en) 1973-04-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee