US1090305A - Sliding-door lock. - Google Patents

Sliding-door lock. Download PDF

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Publication number
US1090305A
US1090305A US1912712384A US1090305A US 1090305 A US1090305 A US 1090305A US 1912712384 A US1912712384 A US 1912712384A US 1090305 A US1090305 A US 1090305A
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United States
Prior art keywords
case
bolt
casing
plate
lock
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
Inventor
Peter L Hoffman
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.)
RICHARDS WILCOX Mfg CO
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RICHARDS WILCOX Mfg CO
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Publication date
Application filed by RICHARDS WILCOX Mfg CO filed Critical RICHARDS WILCOX Mfg CO
Priority to US1912712384 priority Critical patent/US1090305A/en
Application granted granted Critical
Publication of US1090305A publication Critical patent/US1090305A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/08Locks or fastenings for special use for sliding wings
    • E05B65/0864Locks or fastenings for special use for sliding wings the bolts sliding perpendicular to the wings
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/54Trippers
    • Y10T292/546Sliding detent
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/50Special application
    • Y10T70/5093For closures
    • Y10T70/5155Door
    • Y10T70/5173Sliding door
    • Y10T70/5195Projectable bolt
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/50Special application
    • Y10T70/5093For closures
    • Y10T70/5155Door
    • Y10T70/5199Swinging door
    • Y10T70/5246Dead bolts
    • Y10T70/5296Single
    • Y10T70/5345Swinging
    • Y10T70/535Keeper and housing interlocking

Description

P. L. HOFFMAN.
SLIDING DOOR LOCK.
APPLICATION FILED JULY 31,1912.
Patented Mar. 17, 1914.
2 SHBETSSHEET l.
fimw'mw HTTy CDLUMKIIA PLANOORAI'H 50., WASHINGTON. D. c.
P. L. HOFFMAN.
SLIDING DOOR LOCK.
APPLICATION FILED JULY 31, 1912 Patented Mar. 17, 1914.
2 SHEETS-SHEET 2.
ZI ENT=RZ D-JiTNEEEEE cnLuMmA PLANOURAIH CO.,\VASHINOTOH. u. c
TJNTTE SATES PATENT @FFTCF).
PETER I1. HOFFMAN, OF AURORA, ILLINOIS, ASSIGNOR TO THE RICHARDS-WILCOX MANUFACTURING COMPANY, OF AURORA, ILLINOIS, A CORPORATION OF ILLINOIS.
SLIDING-DOOR LOCK.
Specification of Letters Patent.
Patented Mar. 1'7, 1914:.
To all whom it may concern:
Be it known that I, Pn'ren L. IIOFFMAN, a citizen of the United States, residing at Aurora, in the county of Kane and State of Illinois, have invented certain new and use ful Improvements in Sliding-Door Locks, of which the following is a specification.
This invention relates to improvements in locks or latches for sliding doors, and especially to that type of such devices wherein the bolt or latching member proper is projected into locking position automatically by the closing of the doors equipped with such locks.
The especial object of the improvements which will be hereinafter described in detail is to provide a lock of the class described of simple and economical construction, from which small and delicate parts are eliminated and in which the looking or latching action will be certain and positive.
A further object is to provide a lock in which the bolt will be entirely retracted within the case when the door to which said lock is applied in open position thus avoiding the objections incident to a projecting latch or bolt.
A further object is to provide a lock of few parts and these of such design as to make them strong and durable.
Having the foregoing, and other objects of general utility, in view, I have invented. the lock shown in the preferred and modifiecl forms in the accompanying drawing, in which the several figures may be briefly described as follows:--
Figure 1 is a view partly in plan and partly in section showing my improved lock with the cover plate removed and with the bolt engaged with the keeper or strike plate commonly employed with this type of lock; Fig. 2 is a view showing the parts disclosed by Fig. 1 but with the locking member in retracted or inoperative position and the strike member disconnected from the lock; Fig. 3 is a view similar to Fig. 1 but showing a modified construction of the lock especially in respect to the bolt or latching memher the latter being shown in engaged or locking position; Fig. 4 is a view showing the parts covered by Fig. 3 in their retracted or unlocked position; Fig. 5 is a detail in plan view of the locking member embodied in the forms of my lock shown in Figs. 3 and 4.
Referring to the details of Figs. 1 and 2, the numeral 6 indicates a lock case, of usual form, from which a suitable cover plate has been removed, said case and cover having provided therein openings through which access may be had for the purpose of operat ing the locking and tumbler carrying member 7, said openings being indicated by dotted lines in Figs. 1 and Q. The casing is also provided with a face plate 6 pro vided with a bolt passage 6 The belt carrying member of my lock consists of two corresponding plates 7, 7, provided with bolt forming tongues 7 projecting from the forward and lower edge of said plates, lugs 7" projecting upwardly at the upper and forward corners of said plates and with countersunk recesses 7 so proportioned as to readily receive the tips of the fingers of a person operating said lock. The plates 7, 7, are spaced apart and rigidly connected together by a block 7 conforming in part to the outlines of the bolt portions proper 7", and by pins 7. The hollow bolt carrying case thus formed, is mounted to swing on a pivot 7 fixed near the upper part of the lock easing (3. Said swinging case is so arranged as to strike against a stop 6 in the rear and lower portion of the casing (5, when said member 7 is in its retracted or inward position, as shown in Fig. 2. The plates 7, 7, are also provided with key holes 7". The numeral 8 represents a spring, one end of which bears against the rear wall of the casing 6, and the opposite end against a spacing block arranged between the plates 7, 7, and their lug extensions 7, and. is secured in such position by one of the rivets or pins 7 as indicated by dotted lines at the upper corner of the plates. The normal tension of said spring is exerted to throw the bolt case 7, 7, outwardly or into locking position. The swinging movements of the lock case 7, 7, are permitted, or prevented as the case may be, by a stop device consisting of a sliding bolt 9 formed with an inclined notch 9, with a :li'orwardly projecting pin or cylindrical portion 9", and with an inclined lug 9 at the rear of the notch 9. This member 9 is normally held in its projected position, shown in Fig. 2, by an expansible coil spring 11, one end of which bears against the bolt and the other end against a pin 1.0 fixed in the casing 6. The pin 9 is adapted to work in an aperture 6 in the face plate 6 and is of such length as to project substantially beyond said face plate when the bolt 9 is in its projected position. 12 represents a plate slidably mounted on a pin 12 fixed in the case walls, 7, 7, and fitting loosely the slot 12 in said plate, and also having a slot 12 in its upper portion which slidably engages the pin 12 fixed in said walls 7 7. This plate is further provided with a notched edge 12 adjacent to the key hole 7 and with a shoulder 12 adjacent the pin 12". This shoulder is adapted to be engaged by the lower end of a series of tumblers 13 which are pivotally mounted on the pin 13 and are, yieldingly engaged by a spring 13*.
When a key adapted to engage said tumblers is inserted in the key hole 7 the several tumblers will be pushed toward the rear of the case 6 and thus permit the key to lift the plate 12, and when thus lifted, the plate will permit the case 7 to swing inwardly until said case strikes the lug 6 on the easing 6. Said arrangement of stop plate and tumblers is common to looks of the character to which my invention belongs and I do not claim any novelty per se for such construction and arrangement. in fact, my lock may if desired be used without any key, or
may have embodied therein various forms and arrangement of tumbler operating means.
The strike plate shown in conjunction with my improved lock, is indicated by the reference numeral 5 and is provided with the bolt receiving aperture 5*. This aperture, together with the passage 6" in the face plate 6, are made sutficiently large to permit the free action of the bolt 7" the latter moving in'the arc of a circle of which the pivot 7 is the axis.
It will be obvious that when the parts are in the position shown in Fig. 2, which is the unlocked position, upon the pin 9" coming in contact with a strike plate 5, the pin will be pushed inwardly against the tension of the spring 11 until the notch 9 is opposite the lug 7 whereupon the spring 8 will cause the case 7, 7 to swing upon the pivot 7 thus forcing the lug 7 into the notch 9 and holding the pin 9 in its retracted position while the bolt 7 will be in its projected position. If the tumblers 13 and stop plate 12 have been moved by a suitable key to the position indicated in Fig. 2, the op erator by inserting the tips of his finger in the recess 7 in either of the plates 7, 7 may retract the bolt case and when retracted to the limit permitted by the lug 6, the lug 7 will be disengaged from the notch 9 and thereupon the bolt 9 will be pushed out wardly by the spring 11 until the lug 9 engages the end of the lug 7 and will thus prevent the action of the spring 8 above described.
Referring now to Figs. 3, a, and 5, it will be seen that the casing 6, face plate 6, and strike plate 5, are substantially identical with the corresponding parts shown in the figures above described. It will also be seen that the bolt 19 with its notch 19, lug 19 and pin 19, are identical with the parts shown in Figs. 1 and 2. The spring 18 and post 17 also correspond with the parts above described. In this form of my improved lock, I have omitted tumblers or other key operated means, and have shown the case as indicated by reference numeral 1 1 with the recess 1-1 to receive the fingers of the operator and have mounted said case on a pivot 1 1 fixed in the casing walls. Said case 14 is provided with a curved slot 1 1 in its lower portion which receives a pin 14c fixed in the walls of the casing 6. Mounted between the opposed walls of the case lt is a bolt 15 of the peculiar construction shown. This bolt is mounted on a pivot 15 is provided with a hook shaped end 15*, with an angular slot- 15 in its inner portion, with a notch 15 in its upper edge and adjacent the tongue 15 and with a downwardly extending and somewhat pointed shoulder 15 Upon the rocking or swinging of the bolt case 14 on its pivot 14, the bolt 15 will not only move with the case 1stthrough the are in which the latter operates, but will be given a vertical movement due to the engagement of the pivot 1 1 with the angular walls of the slot- 15, thus raising or lowering, as the case may be, said bolt, and thereby moving it in a plane through which it will pass through the strike plate opening 5*, but will also move it vertically and thus bring it into the position shown in Fig. 3 in which it will positively engage said strike plate and will be held against vertical movement until the bolt case 14 is swung upon its pivot, by the engagement of the shoulder 15 with the lower edge of the aperture 5 as clearly shown in Fig. 3. Of course, the latching mechanism shown in Figs. 3 and 1, may be equipped with the same locking and releasing'devices or tumblers, etc., shown in Figs. 1 and 2. It will be obvious therefore, that the only difference between the two forms of lock herein shown is that in the one form the bolt is rigid with the swinging case while in the other form the bolt has a combined movement in part independent of the swinging case.
lax ing thus described my invention,what I claim as new, is
1. A look comprising an outer casing having apertures in its side walls and face alatc, a case pivotally mounted in said casing, a hook-shaped bolt carried by said case and adapted to be projected through one of the openings in the face-plate, and means for holding said case against forward piv otal movement, said means comprising a pin slidably and yieldably mounted in said casing and adapted to be projected through the other opening in said face plate.
2. A loclc comprising an outer casing having openings in its face-plate, a case pivotally mounted in said casing and accessible and adaptable for manual operation, a hookshaped bolt carried by said case and adapted to be projected through one of the openings in the face plate, and a pin slidably mounted in said casing and adapted to be projected tl'irough the other opening in said. faceplate, said pin and case having engaging' portions whereby the case will be held against pivotal movement when the pin is projected, and released when the pin is re traeted.
A look comprising a casing having hand receiving; apertures in its side walls, and bolt and pin openings in its face plate, a case mounted to swing within said casing, a bolt carried by said case and adapted to be projected from and retracted within the walls of said casing, and means for holding said case against swinging movements, said means comprising a pin adapted to be projected through one of the openings in said plate, and to be retracted by contact with a strike-plate, said pin and case having engaging members.
l. A look comprising a casing having hand-receiving apertures in its side walls, and. bolt and pin receiving openings in its face plate, a case pivotally mounted in said casing, a bolt carried by said case and adapted to be projected from and retracted within said casing by the movements of said case, key-operable means mounted in said ease for holding it in locked position, and automatically operable means for holding said case in unlocked position, said automatic means operated by Contact between said lock and a strike-plate.
5. A look comprising a casing having apertures in its side walls, a case pivotally mounted in said casing and accessible through said apertures, a bolt carried and operated by the movements of said case, a pin slidably and yieldingly mounted in and adapted to be projected from, said casing, interengaging means on said pin and case whereby the case will be held against pivotal movement in one direction, and means on .aid casing for limiting the pivotal movement of said case in the opposite direction.
(3. In a lock comprising a suitable casing, a case pivotally and yieldingly mounted in said casing, a hook-shaped bolt carried by said case and adapted to be operated laterally and vertically through the movements of said. case, means for locking said case against pivotal movement, said means adapted to automatically release the case upon the closing of the door to which said lock is secured.
In testimony whereof I affix my signature in the presence of two witnesses.
PETER L. HOFFMAN.
\Vitnesscs RALPH BARNUM, HARRISON Frrol-r.
Gopieis of this patent may be obtained for five cents each, by addressing the Commissioner of latentu, Washington, I). C.
US1912712384 1912-07-31 1912-07-31 Sliding-door lock. Expired - Lifetime US1090305A (en)

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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437742A (en) * 1945-07-25 1948-03-16 American Locker Co Coin controlled lock
US2452521A (en) * 1944-05-27 1948-10-26 Moore Locking device for truck and trailer doors
US2615742A (en) * 1947-01-06 1952-10-28 Harkiso Corp Sliding door lock
US2678671A (en) * 1949-07-28 1954-05-18 Rifkin Jacob Lockable bag
US2736185A (en) * 1956-02-28 Sliding door lock assembly
US2852297A (en) * 1956-02-13 1958-09-16 Strong Paul Coupling device
US3016982A (en) * 1958-04-01 1962-01-16 Electrolux Ab Vacuum cleaner cover latch control
US3599452A (en) * 1968-04-22 1971-08-17 Fujisash Ind Ltd Collision-safeguarded latch mechanisms for slidable sashes
US3722913A (en) * 1970-02-27 1973-03-27 Tsunoda Jitensha Kk Folding bicycle
US3722912A (en) * 1970-02-06 1973-03-27 Tsunoda Jitensha Kk Folding bicycle
US4162592A (en) * 1976-06-02 1979-07-31 Kongo Co. Ltd. Sliding door
US4170848A (en) * 1976-06-02 1979-10-16 Kongo Co., Ltd. Sliding door
US6079756A (en) * 1998-01-28 2000-06-27 Whirlpool Corporation Oven door latch
US20040201227A1 (en) * 2003-04-08 2004-10-14 Smith Richard B. Automatically locking window latch
WO2005018994A2 (en) * 2003-08-18 2005-03-03 Southco, Inc. Load floor latch
US20060119108A1 (en) * 2004-11-22 2006-06-08 Amerock Corporation Reach out lock
US20070200370A1 (en) * 2006-01-20 2007-08-30 Reithmeyer Joseph G Gliding door latch assembly with anti-activation mechanism
US20080157546A1 (en) * 2004-06-30 2008-07-03 Southco, Inc. Load-Floor Latch
US20080258475A1 (en) * 2007-04-19 2008-10-23 Union Tool Exporters, Ltd. Two point lock for doors and windows
US20090115204A1 (en) * 2007-10-24 2009-05-07 Alexander Neal Rycroft Self latching latch
US20130270844A1 (en) * 2012-03-26 2013-10-17 Securitech Group, Inc. Door lever assembly
US20150021932A1 (en) * 2013-07-18 2015-01-22 Assa Abloy New Zealand Limited Sliding door or window latch
US20150130197A1 (en) * 2012-06-05 2015-05-14 Sargent Manufacturing Company Anti-Ligature Handle and Escutcheon For Operating a Lock

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736185A (en) * 1956-02-28 Sliding door lock assembly
US2452521A (en) * 1944-05-27 1948-10-26 Moore Locking device for truck and trailer doors
US2437742A (en) * 1945-07-25 1948-03-16 American Locker Co Coin controlled lock
US2615742A (en) * 1947-01-06 1952-10-28 Harkiso Corp Sliding door lock
US2678671A (en) * 1949-07-28 1954-05-18 Rifkin Jacob Lockable bag
US2852297A (en) * 1956-02-13 1958-09-16 Strong Paul Coupling device
US3016982A (en) * 1958-04-01 1962-01-16 Electrolux Ab Vacuum cleaner cover latch control
US3599452A (en) * 1968-04-22 1971-08-17 Fujisash Ind Ltd Collision-safeguarded latch mechanisms for slidable sashes
US3722912A (en) * 1970-02-06 1973-03-27 Tsunoda Jitensha Kk Folding bicycle
US3722913A (en) * 1970-02-27 1973-03-27 Tsunoda Jitensha Kk Folding bicycle
US4162592A (en) * 1976-06-02 1979-07-31 Kongo Co. Ltd. Sliding door
US4170848A (en) * 1976-06-02 1979-10-16 Kongo Co., Ltd. Sliding door
US4266372A (en) * 1976-06-02 1981-05-12 Kongo Co., Ltd. Sliding door
US6079756A (en) * 1998-01-28 2000-06-27 Whirlpool Corporation Oven door latch
US7261342B2 (en) * 2003-04-08 2007-08-28 Smith Richard B Automatically locking window latch
US20040201227A1 (en) * 2003-04-08 2004-10-14 Smith Richard B. Automatically locking window latch
US20050140150A1 (en) * 2003-08-18 2005-06-30 Matthew Hall Load floor latch
WO2005018994A3 (en) * 2003-08-18 2005-10-20 Southco Load floor latch
WO2005018994A2 (en) * 2003-08-18 2005-03-03 Southco, Inc. Load floor latch
US7399009B2 (en) * 2003-08-18 2008-07-15 Southco, Inc. Load floor latch
US7798540B1 (en) 2004-06-30 2010-09-21 Southco, Inc. Load-floor latch
US20100253096A9 (en) * 2004-06-30 2010-10-07 Southco, Inc. Load-floor latch
US20080157546A1 (en) * 2004-06-30 2008-07-03 Southco, Inc. Load-Floor Latch
US20080030028A1 (en) * 2004-11-22 2008-02-07 Newell Operating Company Reach Out Lock
US7255375B2 (en) * 2004-11-22 2007-08-14 Newell Operating Company Reach out lock
US7523968B2 (en) * 2004-11-22 2009-04-28 Andersen Corporation Reach out lock
US20060119108A1 (en) * 2004-11-22 2006-06-08 Amerock Corporation Reach out lock
US20070200370A1 (en) * 2006-01-20 2007-08-30 Reithmeyer Joseph G Gliding door latch assembly with anti-activation mechanism
US20080258475A1 (en) * 2007-04-19 2008-10-23 Union Tool Exporters, Ltd. Two point lock for doors and windows
US7837241B2 (en) * 2007-04-19 2010-11-23 Union Tool Exporters, Ltd. Two point lock for doors and windows
US20090115204A1 (en) * 2007-10-24 2009-05-07 Alexander Neal Rycroft Self latching latch
US20130270844A1 (en) * 2012-03-26 2013-10-17 Securitech Group, Inc. Door lever assembly
US9249599B2 (en) * 2012-03-26 2016-02-02 Securitech Group, Inc. Door lever assembly
US20150130197A1 (en) * 2012-06-05 2015-05-14 Sargent Manufacturing Company Anti-Ligature Handle and Escutcheon For Operating a Lock
US9714525B2 (en) * 2012-06-05 2017-07-25 Sargent Manufacturing Company Anti-ligature handle and escutcheon for operating a lock
US20150021932A1 (en) * 2013-07-18 2015-01-22 Assa Abloy New Zealand Limited Sliding door or window latch
US9890570B2 (en) * 2013-07-18 2018-02-13 Assa Abloy New Zealand Ltd. Sliding door or window latch

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