US2787154A - Door bolt and lock - Google Patents

Door bolt and lock Download PDF

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Publication number
US2787154A
US2787154A US394925A US39492553A US2787154A US 2787154 A US2787154 A US 2787154A US 394925 A US394925 A US 394925A US 39492553 A US39492553 A US 39492553A US 2787154 A US2787154 A US 2787154A
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United States
Prior art keywords
bolt
door
lock
keeper
gear
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Expired - Lifetime
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US394925A
Inventor
Leon M Wesberry
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    • 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
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/041—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with rack and pinion mechanism
    • 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
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/048—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening externally mounted on the wing, i.e. surface mounted
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0801—Multiple
    • Y10T292/0834—Sliding
    • Y10T292/0836—Operating means
    • Y10T292/0843—Gear
    • 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
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door
    • Y10T70/5199—Swinging door
    • Y10T70/5246—Dead bolts
    • Y10T70/5248—Multiple
    • Y10T70/527—Sliding
    • 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
    • Y10T70/7915—Tampering prevention or attack defeating
    • Y10T70/7949—Yielding or frangible connections

Definitions

  • This invention relates to a bolt and locking means therefor, ⁇ and more particularly to such a device as applied to doors.
  • a primary object of this invention is the provision in a door of a pair of oppositely extending bolts separately secured on one side of the door which are preferably engageable in oppositely disposed keepers at the top and bottom of the door frame which may be operated by means of a single operator.
  • a further object of this invention is the provision of oppositely disposed knobs carrying a single gear on a gear shaft operable to release both upper and lower bolts simultaneously but which has frangible means associated with the connection between the gear shaft and the gear, whereby forcible release of the bolts is precluded.
  • a further and more specific object of this invention is the provision of a shear pin employed as such a connection.
  • Figure l is an end elevational view of a door showing the device of the instant invention applied thereto, parts thereof being broken away.
  • Figure 2 is a rear or inside elevational view of the device shown in Figure 1 as viewed from the rear or inside of the door.
  • Figure 3 is an enlarged sectional view taken substantially along the line 3 3 of Figure 1 as viewed in the direction indicated by the arrows.
  • Figure 4 is an enlarged sectional View taken substantially along the line 4 4 of Figure 2, or along the line 4 4 of Figure 3, as viewed in the direction indicated by the arrows.
  • Figure 5 is an enlarged detailed sectional view taken substantially along the line 5 5 of Figure l.
  • Figure 6 is an enlarged sectional view taken substantially along the line 6 6 of Figure 2.
  • Figure 7 is an enlarged fragmentary sectional view taken substantially along the line 7 7 of Figure 5.
  • a door or the like provided with outer and inner door knobs 11 and 12 respectively.
  • the knobs 11 and 12 are mounted on a common shaft 13 which extends entirely through the door 10, and carries a pinion gear 14 positioned in a housing 15 secured as by bolts 16 and nuts 17 to the inner side of the door 1d.
  • One side of pinion 14 engages a rack 20 carried by a sliding bolt 21 which extends upwardly to the top of the door 1l) and therebeyond, and is adapted to be engaged in any desired type of keeper (not shown) carried by the top of the door frame.
  • the bolt 21 extends through a bolt guide generally indicated at 22, t-o be more fully described hereinafter.
  • pinion 14 engages, as best shown in Figures 3 and 4, a rack 25 which is secured as by means of a bolt 26 to one end of a U-shaped bracket member 27 which is provided with a keeper aperture 28 in the vertical side 2% thereof, and a leg 29 which in turn is secured to lower bolt member 30.
  • the bolt member 3b extends through a bolt guide 31 substantially identical to bolt guide 22 and its projecting extremity is adapted to extend into a suitable keeper (not shown) on the lower side of the door frame.
  • a conventional lock member 35 is secured as by means of bolts 5t? and nuts 37 within the space formed above the leg 29, of the previously described U-shaped member 27.
  • Lock member 35 has a bolt 36 which is extendible through keeper aperture 28 and is operable in the conventional manner ⁇ as by means of a key (not shown) extending through an outer key hole 38 and an inner handle 3F.
  • gear 14 is freely rotatable on the shaft 13 and is secured thereto by means of a shear pin di) of brass or the like, which extends through aperture i1 in shaft 13 and corresponding apertures d2 in the hub i3 of gear 14.
  • Figure 6 discloses the bolt guide 31, which is substantially identical to bolt guide 22, and includes a rectangular block member 45 having flanges 46 which are secured as by bolts 47 and nuts 43 to the inner side of the door 10.
  • the rectangular portion 45 is provided with an aperture 49 in which is slidably mounted bolt 30.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Description

April 2, 1957 M. wEsBERRY DOOR BOLT AND LOCK med Nov. :50.1953
2 Shoots-Shut 1 INVENTOR BY VM ATTORNEYS v Apri 2, 1957 l.. M. wEsBERRY noos Bouman Locx 2 Sheets-Sheet 2` Filed Nov`A sof 195s m, af- E@ n m nw 4 i. M... e# VWM-!- We di M l H w. 5. y 5m ,fq .D m Wwdf 7 M2. 6 27 O 5l ATTORNEYS United States Patent DOOR BOLT AND LOCK Leon M. Wesberry, Dallas, Tex.
Application November 30, 1953, Serial No. 394,925
1 Claim. (Cl. 70-118) This invention relates to a bolt and locking means therefor, `and more particularly to such a device as applied to doors.
A primary object of this invention is the provision in a door of a pair of oppositely extending bolts separately secured on one side of the door which are preferably engageable in oppositely disposed keepers at the top and bottom of the door frame which may be operated by means of a single operator.
A further object of this invention is the provision of oppositely disposed knobs carrying a single gear on a gear shaft operable to release both upper and lower bolts simultaneously but which has frangible means associated with the connection between the gear shaft and the gear, whereby forcible release of the bolts is precluded.
A further and more specific object of this invention is the provision of a shear pin employed as such a connection.
Still other objects reside in the combination of elements, the arrangements of parts, and features of construction, all as will be more fully pointed out hereinafter and disclosed in the accompanying drawings wherein there are disclosed preferred embodiments of this inventive con.- cept.
in the drawing:
Figure l is an end elevational view of a door showing the device of the instant invention applied thereto, parts thereof being broken away.
Figure 2 is a rear or inside elevational view of the device shown in Figure 1 as viewed from the rear or inside of the door.
Figure 3 is an enlarged sectional view taken substantially along the line 3 3 of Figure 1 as viewed in the direction indicated by the arrows.
Figure 4 is an enlarged sectional View taken substantially along the line 4 4 of Figure 2, or along the line 4 4 of Figure 3, as viewed in the direction indicated by the arrows.
Figure 5 is an enlarged detailed sectional view taken substantially along the line 5 5 of Figure l.
Figure 6 is an enlarged sectional view taken substantially along the line 6 6 of Figure 2.
Figure 7 is an enlarged fragmentary sectional view taken substantially along the line 7 7 of Figure 5.
Similar reference characters refer to similar parts throughout the several views of the drawing.
Referring now to the drawing in detail, there is generally indicated at 10 a door or the like provided with outer and inner door knobs 11 and 12 respectively. The knobs 11 and 12 are mounted on a common shaft 13 which extends entirely through the door 10, and carries a pinion gear 14 positioned in a housing 15 secured as by bolts 16 and nuts 17 to the inner side of the door 1d. One side of pinion 14 engages a rack 20 carried by a sliding bolt 21 which extends upwardly to the top of the door 1l) and therebeyond, and is adapted to be engaged in any desired type of keeper (not shown) carried by the top of the door frame. The bolt 21 extends through a bolt guide generally indicated at 22, t-o be more fully described hereinafter.
The opposite side of pinion 14 engages, as best shown in Figures 3 and 4, a rack 25 which is secured as by means of a bolt 26 to one end of a U-shaped bracket member 27 which is provided with a keeper aperture 28 in the vertical side 2% thereof, and a leg 29 which in turn is secured to lower bolt member 30. The bolt member 3b extends through a bolt guide 31 substantially identical to bolt guide 22 and its projecting extremity is adapted to extend into a suitable keeper (not shown) on the lower side of the door frame.
A conventional lock member 35 is secured as by means of bolts 5t? and nuts 37 within the space formed above the leg 29, of the previously described U-shaped member 27. Lock member 35 has a bolt 36 which is extendible through keeper aperture 28 and is operable in the conventional manner `as by means of a key (not shown) extending through an outer key hole 38 and an inner handle 3F.
Referring now back to shaft 13 and its associated pinion gear 14-, it will be pointed out that the gear 14 is freely rotatable on the shaft 13 and is secured thereto by means of a shear pin di) of brass or the like, which extends through aperture i1 in shaft 13 and corresponding apertures d2 in the hub i3 of gear 14.
From the foregoing the operation of the device should now be readily understandable. After the device has once been locked by rotating the knobs 11 or 12 and projecting the bolts 21 and 3i) into their associated keepers the bolt 36 is engaged in keeper aperture 28. Upon withdrawal of the bolt 36 from the keeper aperture 28 by turning the handle 39 the bolts 21 and 30 are freed for movement by the knobs 11 and 12 the door 10 may be opened. However, while the bolt 36 of lock 35 is still engaged in keeper aperture 23 it will be readily apparent that the forcible turning of either knob 11 or 12 will result in the prompt shearing of pin 40, whereupon direct rotation of either knob 11 or 12, or both, will serve no useful purpose for withdrawing bolts 21 and 30 from their associated keepers, and the door 10 will thus remain securely locked against intrusion.
Figure 6 discloses the bolt guide 31, which is substantially identical to bolt guide 22, and includes a rectangular block member 45 having flanges 46 which are secured as by bolts 47 and nuts 43 to the inner side of the door 10.
The rectangular portion 45 is provided with an aperture 49 in which is slidably mounted bolt 30.
From the foregoing it will now be seen that there is herein provided an improved bolt and lock for doors which accomplishes all the objects of this invention and many advantages of great practical utility and commercial importance.
As many embodiments may be made of this inventive concept, and as many modifications may be made in the embodiment hereinbefore shown and described, it is to be understood that all matter herein is to be interpreted merely as illustrative and not in a limiting sense.
What is claimed is:
ln combination with a door, a shaft extending through said door, knobs mounted on opposite ends of said shaft, a gear mounted on said shaft between said knobs, a shear pin drive member connecting said gear and said shaft, a pair of opposed racks engaged by said gear, a bolt operatively connected to one of said racks, a U- shaped keeper member depending from the other of said racks, said keeper member being provided with a keeper aperture, a bolt operatively connected t-o Isaid keeper member, and a lock having a bolt adapted to engage in said keeper aperture locking said racks against movement.
(References on following page) liefqrences Cited in the le of this patent UNITED STATES PATENTS FOREIGN PATENTS Great Britain 1899 Switzerland Jan. 27, 1906 Germany Feb. 4, 1893
US394925A 1953-11-30 1953-11-30 Door bolt and lock Expired - Lifetime US2787154A (en)

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Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946214A (en) * 1958-04-10 1960-07-26 Gotay Erasmo Double bolt lock means
US3771339A (en) * 1972-01-24 1973-11-13 E Smith Protective apparatus for door locks employing latch-rods
US4195866A (en) * 1978-11-16 1980-04-01 General Motors Corporation Lock for removable roof closure latch mechanism
FR2535775A1 (en) * 1982-11-10 1984-05-11 Lewiner Jacques Improvements to security locks with rods
US4470277A (en) * 1982-07-07 1984-09-11 La Gard, Inc. Security door locking mechanism
US4498320A (en) * 1981-09-02 1985-02-12 Conbraco Industries, Inc. Apparatus for locking a control device
US4669287A (en) * 1984-10-04 1987-06-02 Ford Motor Company Rupturable lock assembly
US4679415A (en) * 1985-12-10 1987-07-14 Thomas A. James Locking mechanism for lightweight security cabinet
US4754624A (en) * 1987-01-23 1988-07-05 W&F Manufacturing Lock assembly for sliding doors
US4891921A (en) * 1987-03-30 1990-01-09 Peachtree Doors, Inc. Sliding door assembly with weather seal structure
US5193860A (en) * 1991-02-01 1993-03-16 Feneseal Limited Closure locking mechanisms
US5561994A (en) * 1993-09-14 1996-10-08 Schlegel (Uk) Holdings Limited Lock for sliding door
EP0792987A2 (en) * 1996-02-28 1997-09-03 KARL FLIETHER GmbH & Co. Espagnolette locking device
US5709111A (en) * 1995-12-04 1998-01-20 Henao; Jose Gabriel Lock system
US5832758A (en) * 1995-02-22 1998-11-10 Vacant Property Security Limited Locking mechanism
US5983680A (en) * 1997-11-10 1999-11-16 Michael Wells Door locking device
US6375244B1 (en) 2000-06-14 2002-04-23 Paul Smeltzer Security lock for door having deadbolt lock
US20050166647A1 (en) * 2004-01-29 2005-08-04 Walls Christopher G. Multi-point door lock and offset extension bolt assembly
US20050274163A1 (en) * 2004-06-14 2005-12-15 I-Tek Metal Mfg., Co., Ltd. Mortise lock
US7025394B1 (en) * 2005-03-23 2006-04-11 Hunt Harry C Lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door
WO2007012873A1 (en) * 2005-07-29 2007-02-01 Force Entry Locking Systems Limited Security device
US20080178530A1 (en) * 2007-01-29 2008-07-31 Newell Operating Company Lock Assembly
US20090295173A1 (en) * 2008-05-30 2009-12-03 Newell Operating Company Extension Bolt Assembly
PT107617A (en) * 2014-04-30 2015-10-30 Flyminds Investigação & Desenvolvimento Lda MECHANICAL LOCKING PROTECTION SYSTEM WITH MECHANICAL LOCKED BY ELECTRONIC CONTROL
US20160164267A1 (en) * 2014-12-05 2016-06-09 Lsis Co., Ltd. Transportation device of withdrawable circuit breaker
US20170130494A1 (en) * 2015-11-10 2017-05-11 Caterpillar Inc. Latch operating mechanism for cabin door
US20180245384A1 (en) * 2017-02-24 2018-08-30 Randall L. Shipley Double throw window lock
US10246914B2 (en) * 2012-03-21 2019-04-02 Schlage Lock Company Llc Two point lock for bi-fold windows and doors
US20200224468A1 (en) * 2019-01-11 2020-07-16 Assa Abloy New Zealand Limited Lock assembly
US20200291683A1 (en) * 2017-11-02 2020-09-17 Iloq Oy Electromechanical lock utilizing magnetic field forces
US20210222473A1 (en) * 2017-06-09 2021-07-22 Endura Products, Llc Sliding Door Unit and Components for the Same
US11377887B2 (en) * 2018-12-21 2022-07-05 Sargent Manufacturing Company Side latch exit device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US237320A (en) * 1881-02-01 Grinding-mill
US485373A (en) * 1892-11-01 drouet
DE66938C (en) * 1900-01-01 A. SCHWARTZ in Stettin, Gr. Domstr. 23 Double door - edge bolt
CH34927A (en) * 1906-01-27 1906-08-15 Hauser Weidmann J Lock for rod locks
US1536773A (en) * 1923-07-05 1925-05-05 Peter J Ciaccio Holder and lock for auto hoods
US1985176A (en) * 1933-10-30 1934-12-18 Robert M Lamb Multiple bolt lock
US2339980A (en) * 1941-09-11 1944-01-25 Ternstedt Mfg Co Stamped metal outside door handle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US237320A (en) * 1881-02-01 Grinding-mill
US485373A (en) * 1892-11-01 drouet
DE66938C (en) * 1900-01-01 A. SCHWARTZ in Stettin, Gr. Domstr. 23 Double door - edge bolt
CH34927A (en) * 1906-01-27 1906-08-15 Hauser Weidmann J Lock for rod locks
US1536773A (en) * 1923-07-05 1925-05-05 Peter J Ciaccio Holder and lock for auto hoods
US1985176A (en) * 1933-10-30 1934-12-18 Robert M Lamb Multiple bolt lock
US2339980A (en) * 1941-09-11 1944-01-25 Ternstedt Mfg Co Stamped metal outside door handle

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946214A (en) * 1958-04-10 1960-07-26 Gotay Erasmo Double bolt lock means
US3771339A (en) * 1972-01-24 1973-11-13 E Smith Protective apparatus for door locks employing latch-rods
US4195866A (en) * 1978-11-16 1980-04-01 General Motors Corporation Lock for removable roof closure latch mechanism
US4498320A (en) * 1981-09-02 1985-02-12 Conbraco Industries, Inc. Apparatus for locking a control device
US4470277A (en) * 1982-07-07 1984-09-11 La Gard, Inc. Security door locking mechanism
FR2535775A1 (en) * 1982-11-10 1984-05-11 Lewiner Jacques Improvements to security locks with rods
US4669287A (en) * 1984-10-04 1987-06-02 Ford Motor Company Rupturable lock assembly
US4679415A (en) * 1985-12-10 1987-07-14 Thomas A. James Locking mechanism for lightweight security cabinet
US4754624A (en) * 1987-01-23 1988-07-05 W&F Manufacturing Lock assembly for sliding doors
US4891921A (en) * 1987-03-30 1990-01-09 Peachtree Doors, Inc. Sliding door assembly with weather seal structure
US5193860A (en) * 1991-02-01 1993-03-16 Feneseal Limited Closure locking mechanisms
US5561994A (en) * 1993-09-14 1996-10-08 Schlegel (Uk) Holdings Limited Lock for sliding door
US5832758A (en) * 1995-02-22 1998-11-10 Vacant Property Security Limited Locking mechanism
US5709111A (en) * 1995-12-04 1998-01-20 Henao; Jose Gabriel Lock system
EP0792987A2 (en) * 1996-02-28 1997-09-03 KARL FLIETHER GmbH & Co. Espagnolette locking device
EP0792987A3 (en) * 1996-02-28 1998-06-10 KARL FLIETHER GmbH & Co. Espagnolette locking device
US5983680A (en) * 1997-11-10 1999-11-16 Michael Wells Door locking device
US6375244B1 (en) 2000-06-14 2002-04-23 Paul Smeltzer Security lock for door having deadbolt lock
US20050166647A1 (en) * 2004-01-29 2005-08-04 Walls Christopher G. Multi-point door lock and offset extension bolt assembly
US7404306B2 (en) * 2004-01-29 2008-07-29 Newell Operating Company Multi-point door lock and offset extension bolt assembly
US20050274163A1 (en) * 2004-06-14 2005-12-15 I-Tek Metal Mfg., Co., Ltd. Mortise lock
US7178373B2 (en) 2004-06-14 2007-02-20 I-Tek Metal Mfg. Co., Ltd. Mortise lock
US7082794B2 (en) * 2004-06-14 2006-08-01 I-Tek Metal Mfg. Co., Ltd. Mortise lock
US20060196239A1 (en) * 2004-06-14 2006-09-07 Shen Mu-Lin Mortise lock
US7025394B1 (en) * 2005-03-23 2006-04-11 Hunt Harry C Lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door
WO2007012873A1 (en) * 2005-07-29 2007-02-01 Force Entry Locking Systems Limited Security device
US20080178530A1 (en) * 2007-01-29 2008-07-31 Newell Operating Company Lock Assembly
US7946080B2 (en) 2007-01-29 2011-05-24 Newell Operating Company Lock assembly
US20090295173A1 (en) * 2008-05-30 2009-12-03 Newell Operating Company Extension Bolt Assembly
US10246914B2 (en) * 2012-03-21 2019-04-02 Schlage Lock Company Llc Two point lock for bi-fold windows and doors
PT107617A (en) * 2014-04-30 2015-10-30 Flyminds Investigação & Desenvolvimento Lda MECHANICAL LOCKING PROTECTION SYSTEM WITH MECHANICAL LOCKED BY ELECTRONIC CONTROL
PT107617B (en) * 2014-04-30 2016-06-20 Flyminds Investigação & Desenvolvimento Lda MECHANICAL LOCKING PROTECTION SYSTEM WITH MECHANICAL LOCKED BY ELECTRONIC CONTROL
US20160164267A1 (en) * 2014-12-05 2016-06-09 Lsis Co., Ltd. Transportation device of withdrawable circuit breaker
US10211609B2 (en) * 2014-12-05 2019-02-19 Lsis Co., Ltd. Transportation device of withdrawable circuit breaker
US20170130494A1 (en) * 2015-11-10 2017-05-11 Caterpillar Inc. Latch operating mechanism for cabin door
US20180245384A1 (en) * 2017-02-24 2018-08-30 Randall L. Shipley Double throw window lock
US20210222473A1 (en) * 2017-06-09 2021-07-22 Endura Products, Llc Sliding Door Unit and Components for the Same
US20200291683A1 (en) * 2017-11-02 2020-09-17 Iloq Oy Electromechanical lock utilizing magnetic field forces
US11808057B2 (en) * 2017-11-02 2023-11-07 Iloq Oy Electromechanical lock utilizing magnetic field forces
US11377887B2 (en) * 2018-12-21 2022-07-05 Sargent Manufacturing Company Side latch exit device
US11946299B2 (en) 2018-12-21 2024-04-02 Sargent Manufacturing Company Side latch exit device
US20200224468A1 (en) * 2019-01-11 2020-07-16 Assa Abloy New Zealand Limited Lock assembly
US12049772B2 (en) * 2019-01-11 2024-07-30 Assa Abloy New Zealand Limited Lock assembly

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