US3863475A - Function Control Key Locks - Google Patents

Function Control Key Locks Download PDF

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Publication number
US3863475A
US3863475A US440520A US44052074A US3863475A US 3863475 A US3863475 A US 3863475A US 440520 A US440520 A US 440520A US 44052074 A US44052074 A US 44052074A US 3863475 A US3863475 A US 3863475A
Authority
US
United States
Prior art keywords
casing
barrel
support means
function control
locked
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
US440520A
Other languages
English (en)
Inventor
Arthur J Foss
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.)
AST Research Inc
Original Assignee
Victor Comptometer Corp
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 Victor Comptometer Corp filed Critical Victor Comptometer Corp
Priority to US440520A priority Critical patent/US3863475A/en
Priority to SE7413423A priority patent/SE7413423L/
Priority to GB4925774A priority patent/GB1449555A/en
Priority to DE19742461395 priority patent/DE2461395A1/de
Publication of US3863475A publication Critical patent/US3863475A/en
Application granted granted Critical
Priority to CH137775A priority patent/CH576186A5/xx
Priority to JP50016152A priority patent/JPS50109100A/ja
Assigned to SECURITY PACIFIC NATIONAL BANK reassignment SECURITY PACIFIC NATIONAL BANK LICENSE (SEE DOCUMENT FOR DETAILS). Assignors: VICTOR UNITED, INC.
Assigned to VICTOR DISTRIBUTION AB, A CORP. OF SWEDEN reassignment VICTOR DISTRIBUTION AB, A CORP. OF SWEDEN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: DATATRONIC AB
Assigned to DATATRONIC AB, A CORP. OF SWEDEN reassignment DATATRONIC AB, A CORP. OF SWEDEN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: VICTOR UNITED, INC.
Anticipated expiration legal-status Critical
Assigned to AST RESEARCH, INC. reassignment AST RESEARCH, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VICTOR TECHNOLOGIES AB (FORMERLY VICTOR DISTRIBUTION AB)
Assigned to AST RESEARCH, INC. reassignment AST RESEARCH, INC. CERTIFICATE OF REGISTRATION Assignors: VICTOR TECHNOLOGIES AB (FORMERLY VICTOR DISTRIBUTION AB)
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/10—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle
    • E05B13/105—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle the handle being a pushbutton
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00—Cash registers
    • G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
    • G07G1/0027—Details of drawer or money-box
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
    • 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
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7576—Sliding and rotary plug
    • 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
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7655—Cylinder attaching or mounting means
    • 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
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8459—Housings
    • Y10T70/8541—Mounting arrangements

Definitions

  • a lock assembly comprisessupport means of molded plastic having a plurality of integrally formed cylindrical casings, each casing comprising separate upper and lower interfitting wall sections enclosing keycontrolled lock barrel means rotatable from a locked outer inoperative position to an unlocked impulse closure position and from the latter, when depressed inwardly, rotatable to a locked closure position, switch actuating means being provided within each casing to be depressible by the lock barrel in impulse closure position and retained therein when the lock barrel is in a locked closure position.
  • the invention is particularly suitable for use in a business machine, such as a cash register, having a plurality of function control keys.
  • the present invention is an improved reliable lock assembly which is much simpler in design and less costly to manufacture than known lockable prior art devices.
  • the present invention contemplates one or more function control key locks comprising support means of molded plastic for simple and inexpensive manufacture and having a plurality of cylindrical casings integrally formed therewith, each casing being made up of separate upper and lower interfitting wall sections and housing a key-controlled lock barrel means rotatable from a locked outer inoperative position to an unlocked impulse closure position, switch actuating means being provided within each casing to be depressible by the lock barrel, when the latter is unlocked, from an upper inoperative position to a lower operative switch contact position, each switch actuating means being lockably maintained in such lower operative position by rotation of its associated barrel to locked closure position.
  • Appreciable cost advantages over prior known separately mounted switch devices having complex individually machined components are realized by the simplification of the components employed in the present invention, and particularly as a result of the integral formation of plural cylindrical casing parts with common support means of
  • An important Object of this invention is to provide a lock for function control keys having a two-part cylindrical casing with each part integrally formed with support means of molded plastic for simple and inexpensive manufacturing.
  • FIG. 1 is a perspective view of the preferred embodiment of the function control key lock of the present invention, showing two units thereof in different positions;
  • FIG. 2 is an exploded perspective view showing the component parts of one of the lock units illustrated in FIG. 1;
  • FIG. 3 is a side elevational view of one of the units in locked inoperative position with parts broken away and parts in vertical section;
  • FIG. 4 is a horizontal section through the upper end of the cylindrical casing of one of the units taken substantially on the line 44 of FIG. 3;
  • FIG. 5 is a horizontal section of one Ofthe units taken substantially on the line 5-5 of FIG. 3.
  • FIGS. 1-3 DESCRIPTION OF THE PREFERRED I EMBODIMENT Turning now to the preferred embodiment of the present invention, reference is initially made to FIGS. 1-3.
  • reference [numeral 10 generally indicates a lockable assembly comprising plural switch units 11, two of which are illustrated in FIG. 1.
  • Each switch unit 11 comprises a preferably molded plastic hollow cylindrical casing section 12 formed integrally with an upper horizontal support plate 13 or other suitable outer support means, the upper or outer end of the casing section 12 terminating in an upstanding flange 14 surrounding a circular opening 16 for receiving a key controlled lock barrel means 17.
  • each cylindrical casing section 12 comprises a lower wall portion 24 formed integrally therewith and an upstanding lower wall section 26 is formed integrally with the lower support plate 21 to cooperate with each casing section 12,24 to form a hollow cylindrical casing when the support means 13 and 21 are secured together by studs 18 and screws 19.
  • Each such cylindrical casing has an aperture or recess 27 formed by the partial spatial separation between its wall portion 24 and its lower section 26, and a shelf 28 integrally formed, preferably with the lower casing section, to extend laterally into the aperture 27.
  • the shelf 28 separates upper and lower slots 29 and 31 in the aperture 27, the upper slot being circumferentially longer than the lower slot 31, as will be more fully described in detail later.
  • Each key-controlled lock barrel means 17 comprises a known lock barrel or plug rotatable within its cylindrical casing between locked and unlocked positions.
  • Each lock barrel 17 has a key slot 32 in its upper surface adapted to receive an associated key 33, and includes a plurality of outwardly extending lock tumblers 34 (FIG. 2) arranged in a known fashion whereby insertion of an associated key into the key slot causes retraction of the locked tumblers into alignment with the outer surface of the barrel.
  • FIG. 4 which is a horizontal section through the upper end of a cylindrical casing taken substantially on the line of 44 of FIG.
  • the upstanding flange 14 of each casing includes an inner ledge 36 having opposite longitudinal recesses 37 for engageably receiving the outwardly extending lock tumblers of a lock barrel 17 when its key 33 is removed from its key slot 32, insertion of the key enabling rotational movement of the lock barrel within the opening 16.
  • Each switch unit 11 includes a locking plate means 38 (FIGS. 2, 3 and 5) comprising a plate secured to the bottom of its associated lock barrel 17.
  • a screw 39 fits a hole 41 in each locking plate (FIG. 2) and is threadedly received in a recess 42 in a stud depending from its associated lock barrel, and an alignment stud 43 on this lock barrel engages a hole 44 in the locking plate.
  • Each locking plate 38 has a protruding arm or integral lateral extension 46 outwardly extending into the aperture or recess 27 of its associated cylindrical casing.
  • Each switch unit 11 further comprises switch actuating plunger means 47 (FIGS. 2 and 3) having a stem 48 and an integral flange 49 engageably disposed beneath its associated locking plate 38.
  • Each plunger 47 in cludes a contact button 51 operable to closingly engage a known pressure-sensitive diaphragn switch 52 (FIG. 3) or other suitable switching means, as described in co-pending application Ser. No. 289,449 for US. Letters Patent, filed Sept 15, 1972, the disclosure of this co-pending application being specifically incorporated herein by reference.
  • Each plunger 47 is hollowed to provide a bore 53 and apertured to provide opposed ledges 54.
  • Slidable upwardly into each plunger stem 48 is the contact button 51 which has upstanding and opposed cantilever fingers 56 with outwardly extending lugs 57 that spring automatically outwardly into the apertures provided in the wall of each stem.
  • a coiled spring 58 is mounted in each stem 48 with its upper end engaging the latter and its lower end engaging the contact button 51. The function of this spring 58 is to normally maintain the contact button 51 in its extended position (illustrated in the drawings) with the lugs 57 thereby held in the engagement with the ledges 54.
  • the contact button 51 associated therewith will be carried downardly through the agency of the spring 58 to close the associated switch 52. After the button 51 first physically contacts the switch 52 during depression of the stem 47, further downward movement of the stem will be relative to the contact button, and the latter will be held in operative position by the spring 58.
  • This arrangement provides the application of a uniform depression force by the contact button 51 on its associated switch 52 and the maximum force that may be applied to the switch is that supplied by spring 58.
  • a compression spring 59 is provided within each cylindrical casing for biasing an associated plunger 47, locking plate 38 and lock barrel l7 upwardly.
  • Each aperture 27 (FIG. 1) of each cylindrical casing is vertically defined by a horizontal edge 61 (FIGS. 1 and 2) of the lower wall section 26, and a horizontal edge 62 ofthe upper wall portion 24.
  • Each spring 59 is normally operable to bias its associated plunger 47, locking plate 38 and lock barrel 17 upwardly, limited by the engagement of the upper surface of arm 46 with the horizontal edge 62.
  • each lock barrel 17 is rotatable within the cylindrical casing, upon insertion of a key 33, from a locked inoperative position to an unlocked impulse closure position.
  • each lock barrel 17 corresponds to a position of the arm 46 of its associated locking plate 38 at the left-hand side ofthe aperture 27 and disposed in the upper slot 29 as shown in the right-hand lock in FIGS. 1 and 3.
  • the unlocked impulse closure position of the lock barrel 17 corresponds to a location of the arm 46 at the right-hand side of the aperture 27 unobstructed by, and out of engagement with, the shelf 28, as shown in the left-hand lock in FIG. 1.
  • Each plunger 47 is movable axially within its cylindrical casing 12 in opposition to the biasing force of the spring 59 in response to manual depression of its associated lock barrel 17, when the latter is in its unlocked position, from an upper or outer inoperative position, in which its contact button 51 does not engage a diaphragm switch 52, to a lower or inner switchoperated position, in which the associated switch is closingly engaged by the contact button, in accordance with unobstructed axial movement of its associated arm 46 at the right-hand side of its aperture 27.
  • Each spring 59 normally urges the upper surface of the arm 46 into engagement with a horizontal edge 62 (FIGS.
  • each plunger in the upper inoperative switch position, each plunger being depressible axially to the lower switch-operated position when its lock barrel is unlocked until the lower surface of the arm 46 engages the horizontal edge 61 of its lower wall section 26. In such lower position, rotation of the lock barrel 17 to its locked closure position is permitted by the lower slot 31 receiving the arm 46 and the latter serves to maintain the barrel and the plunger therein.
  • FIG. 3 illustrates the plunger 47 of a switch unit 1] locked in its upper inoperative position; the arm 46 of the locking 'plate 38 being engaged upwardly of the shelf 28 in the upper slot 29 to render the contact button spatially separated above the diaphragm switch 52.
  • each switch actuating plunger 47 is depressible into its lower switch-operated position only when its associated lock barrel 17 is unlocked and rotated to the impulse closure position shown at the lefthand side of FIG. 1, and the plunger 47 is lockably maintained in either its upper inoperative, or lower switch-operated positions, when its barrel is locked.
  • each cylindrical casing is circumferentially longer than the lower slot 31.
  • the opposing recesses 37 of the inner ledge 36 of the upstanding flange 14 of each casing are arranged within the inner ledge whereby the position ofthe arm 46 of the locking plate 38 in the upper slot 29 in the extreme left-hand side of the aperture 27 (as illustrated in the right-hand lock of FIG. 1 and in FIG. 3) corresponds to full outward extension of the tumblers 34 into the recesses 37 to enable key insertion and removal.
  • each cylindrical casing has two spatially separated longitudinal recesses 63 and 64 for engageably receiving a protrusion 66 of the locking plate 38 when its lock barrel 17 is rotated into its locked and unlocked positions, respectively.
  • Each locking plate 38 has a spring means preferably comprising an arcuate peripheral groove 67 disposed opposite the protrusion 66 to urge the latter into one ofthe recesses 63, 64 to effect snap-fit engagement.
  • Function control key locks comprising outer support means having a plurality of hollow cylindrical upper casing sections formed integrally therewith, separate inner support means having a plurality of upstanding lower casing sections formed integrally therewith, means for securing said inner and outer support means together to interengage each said upper section with an associated said lower section to present a hollow cylindrical casing, adjacent portions of said associated sections being formed to define a recess in each said casing when said support means are secured together, a key-controlled lock barrel mounted in each said upper casing section for rotation between locked and unlocked positions, a locking plate secured to each said barrel and cooperating with the associated said recess to limit rotational and longitudinal movements of said barrel relative to its associated said casing, and an upwardly spring-urged switchactuating plunger means mounted in each said casing with a lower end extending downwardly through said inner support means, whereby inward longitudinal movement of said barrel when in unlocked position will depress said switchactuating plunger means.
  • each said locking plate has an integral lateral extension
  • each said shelf divides a portion of the associated said recess into upper and lower slots to accommodate and retain said extension of the associated said locking plate in outer and inner locked position
  • each said upper slot is longer than each said lower slot to permit rotation of the associated said barrel to a locked inoperative position in which a key operably associated with said barrel may be inserted thereinto or withdrawn therefrom.
  • each said casing has two spatially separated longitudinal recesses each associated with one of said locked and unlocked positions, and each said locking plate comprises integral spring means and a protrusion urged thereby to effect snap-fit engagement of the latter into said recesses of its associated said casing.
  • each said locking plate cooperates with its associated said casing to positively limit inward longitudinal movement of the associated said barrel
  • each said switch-actuated plunger means includes a hollow upper plunger, a switch contact button extending downwardly therefrom for limited downward movement relative thereto, and a spring interposed therebetween to urge said button into extended position, whereby a switch contact disposed below said button can have applied thereto as a maximum force in response to inward movement of the associated said barrel only the force supplied by the associated said spring.
  • a function control key lock comprising outer support means having a cylindrical upper casing section formed integrally therewith, an inner support means having an upstanding lower casing section formed integrally therewith, means for securing said inner and outer support means together to interengage said upper and lower sections to present a cylindrical casing, adjacent portions of said sections being formed to provide a recess in said casing when said support means are secured together, a key-controlled lock barrel mounted in said upper casing section for rotation between locked and unlocked positions, a locking plate secured to said barrel and cooperating with said recess to limit rotational and longitudinal movements of said barrel relative to said casing, and an upwardly spring-urged switch-actuating plunger means mounted in said casing with a lower end extending downwardly through said inner support means, whereby inward longitudinal movement of said barrel when in unlocked position will depress said switch-actuating plunger means.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Lock And Its Accessories (AREA)
  • Closures For Containers (AREA)
US440520A 1974-02-07 1974-02-07 Function Control Key Locks Expired - Lifetime US3863475A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US440520A US3863475A (en) 1974-02-07 1974-02-07 Function Control Key Locks
SE7413423A SE7413423L (ja) 1974-02-07 1974-10-24
GB4925774A GB1449555A (en) 1974-02-07 1974-11-14 Function control key lock assembly
DE19742461395 DE2461395A1 (de) 1974-02-07 1974-12-24 Mit schluessel betaetigte sperrvorrichtung fuer funktionstasten
CH137775A CH576186A5 (ja) 1974-02-07 1975-02-05
JP50016152A JPS50109100A (ja) 1974-02-07 1975-02-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US440520A US3863475A (en) 1974-02-07 1974-02-07 Function Control Key Locks

Publications (1)

Publication Number Publication Date
US3863475A true US3863475A (en) 1975-02-04

Family

ID=23749082

Family Applications (1)

Application Number Title Priority Date Filing Date
US440520A Expired - Lifetime US3863475A (en) 1974-02-07 1974-02-07 Function Control Key Locks

Country Status (6)

Country Link
US (1) US3863475A (ja)
JP (1) JPS50109100A (ja)
CH (1) CH576186A5 (ja)
DE (1) DE2461395A1 (ja)
GB (1) GB1449555A (ja)
SE (1) SE7413423L (ja)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196605A (en) * 1976-04-27 1980-04-08 Garza Roque V Tumbler pin-type cylinder lock with axial or axial and radial cylinder movement
US4703638A (en) * 1986-08-25 1987-11-03 Bergstrom Roger E Removable core lockset with anti-pick core removal ring
US5109685A (en) * 1990-03-15 1992-05-05 Pundra Industries Limited Control key for extension adapter
US5163310A (en) * 1991-11-21 1992-11-17 Cheeng Iu Industrial Co., Ltd. Cylindrical lock structure
US20110289988A1 (en) * 2007-06-14 2011-12-01 Chun Te Yu Lock having an indicatory lock core
US20160356058A1 (en) * 2014-01-28 2016-12-08 Delta Lock Company, LLC Locking device for product display hooks, showcases, cabinets, fixtures, and casework
US20170282854A1 (en) * 2016-03-31 2017-10-05 Steering Solutions Ip Holding Corporation Ignition lock assembly
US10156088B2 (en) 2015-01-28 2018-12-18 Delta Lock Company, LLC Locking device for product display hooks, showcases, cabinets, fixtures, and casework
US10344507B2 (en) 2015-09-03 2019-07-09 Steering Solutions Ip Holding Corporation Steering column lock cylinder module
USD899218S1 (en) 2016-04-10 2020-10-20 Delta Lock Company, LLC Locking device
USD988835S1 (en) 2021-05-10 2023-06-13 Innovation Lock, Llc Ratchet locking device
US11879269B2 (en) 2021-05-10 2024-01-23 Innovation Lock, Llc Ratchet lock assemblies
US11976497B2 (en) 2021-01-05 2024-05-07 Innovation Lock, Llc Drawer lock assemblies

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3724530C1 (de) * 1987-07-24 1989-01-12 Triumph Adler Ag Schluesselschalter fuer elektrische bzw. elektronische Geraete
US5784737A (en) * 1992-08-26 1998-07-28 Yoshitaka Tsuji Folding shoes and process for manufacturing the same
GB2348051A (en) 1999-03-13 2000-09-20 Ibm Deactivation of a portable device
DE102014200842A1 (de) * 2014-01-17 2015-07-23 Hartmann-exact KG Schlüsselschalter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1050692A (en) * 1912-06-14 1913-01-14 Yale & Towne Mfg Co Pin-tumbler lock.
US1896523A (en) * 1930-06-26 1933-02-07 Cleveland Fare Box And Four Wa Jail lock
US2950615A (en) * 1959-06-18 1960-08-30 Schlage Lock Co Door lock with button locking means
US3026385A (en) * 1959-10-23 1962-03-20 Cutler Hammer Inc Push-button operator with locking means
US3501933A (en) * 1966-10-08 1970-03-24 Waertsilae Oy Ab Attachment means for a lock cylinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1050692A (en) * 1912-06-14 1913-01-14 Yale & Towne Mfg Co Pin-tumbler lock.
US1896523A (en) * 1930-06-26 1933-02-07 Cleveland Fare Box And Four Wa Jail lock
US2950615A (en) * 1959-06-18 1960-08-30 Schlage Lock Co Door lock with button locking means
US3026385A (en) * 1959-10-23 1962-03-20 Cutler Hammer Inc Push-button operator with locking means
US3501933A (en) * 1966-10-08 1970-03-24 Waertsilae Oy Ab Attachment means for a lock cylinder

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196605A (en) * 1976-04-27 1980-04-08 Garza Roque V Tumbler pin-type cylinder lock with axial or axial and radial cylinder movement
US4703638A (en) * 1986-08-25 1987-11-03 Bergstrom Roger E Removable core lockset with anti-pick core removal ring
US5109685A (en) * 1990-03-15 1992-05-05 Pundra Industries Limited Control key for extension adapter
US5163310A (en) * 1991-11-21 1992-11-17 Cheeng Iu Industrial Co., Ltd. Cylindrical lock structure
US20110289988A1 (en) * 2007-06-14 2011-12-01 Chun Te Yu Lock having an indicatory lock core
US9273491B2 (en) * 2007-06-14 2016-03-01 Chun Te Yu Lock having an indicatory lock core
US10662672B2 (en) 2014-01-28 2020-05-26 Delta Lock Company, LLC Locking device for product display hooks, showcases, cabinets, fixtures, and casework
US10184270B2 (en) * 2014-01-28 2019-01-22 Delta Lock Company, LLC Locking device for product display hooks, showcases, cabinets, fixtures, and casework
US20160356058A1 (en) * 2014-01-28 2016-12-08 Delta Lock Company, LLC Locking device for product display hooks, showcases, cabinets, fixtures, and casework
US10156088B2 (en) 2015-01-28 2018-12-18 Delta Lock Company, LLC Locking device for product display hooks, showcases, cabinets, fixtures, and casework
US10344507B2 (en) 2015-09-03 2019-07-09 Steering Solutions Ip Holding Corporation Steering column lock cylinder module
US20170282854A1 (en) * 2016-03-31 2017-10-05 Steering Solutions Ip Holding Corporation Ignition lock assembly
US10434984B2 (en) * 2016-03-31 2019-10-08 Steering Solutions Ip Holding Corporation Ignition lock assembly
US10676064B2 (en) 2016-03-31 2020-06-09 Steering Solutions Ip Holding Corporation Ignition lock assembly
USD899218S1 (en) 2016-04-10 2020-10-20 Delta Lock Company, LLC Locking device
US11976497B2 (en) 2021-01-05 2024-05-07 Innovation Lock, Llc Drawer lock assemblies
USD988835S1 (en) 2021-05-10 2023-06-13 Innovation Lock, Llc Ratchet locking device
US11879269B2 (en) 2021-05-10 2024-01-23 Innovation Lock, Llc Ratchet lock assemblies

Also Published As

Publication number Publication date
GB1449555A (en) 1976-09-15
CH576186A5 (ja) 1976-05-31
JPS50109100A (ja) 1975-08-27
SE7413423L (ja) 1975-08-08
DE2461395A1 (de) 1975-08-14

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Legal Events

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AS Assignment

Owner name: SECURITY PACIFIC NATIONAL BANK

Free format text: LICENSE;ASSIGNOR:VICTOR UNITED, INC.;REEL/FRAME:004192/0288

Effective date: 19831108

Owner name: SECURITY PACIFIC NATIONAL BANK, CALIFORNIA

Free format text: LICENSE;ASSIGNOR:VICTOR UNITED, INC.;REEL/FRAME:004192/0288

Effective date: 19831108

AS Assignment

Owner name: VICTOR DISTRIBUTION AB, A CORP. OF SWEDEN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DATATRONIC AB;REEL/FRAME:005234/0760

Effective date: 19891130

Owner name: DATATRONIC AB, A CORP. OF SWEDEN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:VICTOR UNITED, INC.;REEL/FRAME:005234/0758

Effective date: 19891130

AS Assignment

Owner name: AST RESEARCH, INC., CALIFORNIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VICTOR TECHNOLOGIES AB (FORMERLY VICTOR DISTRIBUTION AB);REEL/FRAME:006847/0104

Effective date: 19940103

Owner name: AST RESEARCH, INC., CALIFORNIA

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Effective date: 19940103