US1287973A - Push-button latch. - Google Patents

Push-button latch. Download PDF

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Publication number
US1287973A
US1287973A US21765618A US1287973A US 1287973 A US1287973 A US 1287973A US 21765618 A US21765618 A US 21765618A US 1287973 A US1287973 A US 1287973A
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United States
Prior art keywords
plunger
bolt
latch
guide
push
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
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Archibald B Gruber
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Archibald B Gruber
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Priority to US21765618 priority Critical patent/US1287973A/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00Fastening devices with bolts moving rectilinearly
    • E05C1/08Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C1/14Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially towards or away from the plane of the wing or frame
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/24Dogging mechanism from inside operating means
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/37Push button operators
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/65Emergency or safety
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S70/00Locks
    • Y10S70/80Sliding bolt with sliding operating means
    • 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
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • Y10T292/097Operating means
    • Y10T292/0976Sliding cam
    • 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
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • Y10T292/097Operating means
    • Y10T292/0995Push or pull rod
    • 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
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/1014Operating means
    • Y10T292/1022Rigid
    • Y10T292/1028Sliding catch

Description

A. B. GRUBER.

PUSH BUTTON LATCH.

APPLICATION FILED FEB. I6. 1918.

Patented Dec. 17, 1918.

c I .HTIII lTII IrI N i ...IDW/19144! 4417 .W m.

ARCHIBALD B. GRUBER, or SAN BERNARDINO, CALIFORNIA.

PUSH-BUTTON LATCH.

Specication of Letters Patent.

Application filed February 16, 1918.A Serial No. 217,656.

To all whom it may concern:

Be it known that I, ARCHIBALD B. GRU- BnR, a citizen of the United States, residing at San Bernardino, in the county of San Bernardino and State of California, have invented certain new and useful Improvements in Push-Button Latches; and I do declare the following to be a full, clear and exact description of the invention, such as will enable others skilled in the art toside of the door may be made impossible,

provided the two plungers are suitably connected for movement in unison.

A still further object is to provide ornamental knobs and escutcheon plates which will present a neat and attractive appearance.

With the foregoing general objects in view the invention resides in the novel features of construction and unique combinations of parts to'be hereinafter fully described and claimed, the descriptive matter being supplemented by the accompanying drawings which form a part of this specification and in which:

Figure 1 is a side elevation of the latch applied to a door;

Fig. 2 is a horizontal section on the plane of line 2-2 of Fig. l with parts in elevation' 3 is a disassembled perspective of the plunger lock;

Fig. 4 is a perspective view of the bolt;

Fig. 5 is a perspective of one of the knobs; and Fig. 6 is a detail illustrating the manner in which the two plungers may be connected for simultaneous movement.

In the drawing above briey described, the numeral 1 designates a iiat casing adapted in most cases to be mortised into the edge of a door or the like D, although in some instances it may be constructed for attachment to one side of the closure on which it is to be used. rIhe lower portion of the casing 1 will preferably but not necessarily be Patented Dee. it, isis. l

provided with a key operated bolt (not.v shown) and key holes 2 are formed in Va pair of escutcheon plates .3 lforgiving aCr cess to this bolt with the vproper key. The plates 3 are of ornamental ldesign as seen in Fig. l and in addition to its key hole 2, each of said plates is provided inits upper portion with a preferably circular opening 4c (Fig. 2), these openings receiving lateral ianges 5 on the inner ends of the tubular hubs 6 of a pair of knobs 7, said anges being .secured to the door or the like by screws 8 while other screws 9 are provided for securing the escutcheon plates 3 in place.

The knobs may be of the same ornamental design, but I prefer to shape one as seen in Figs. 1 and 2 and the other as featured in Fig. 5. In both cases the hubs 6 are preferably enlarged at their outer ends as seen at 10 and the interiors of said hubs are threaded throughout the greater part ofy their lengths for engagement with a pair of tubular plunger guides 11 whose inner ends are threaded in openings in the sides of the casing 1.

Cylindrical plungers 12 are slidable in the guides 11 and have sockets formed in their outer ends into which lthe inner ends of a pair of plunger stems 13 are adjustably threaded at 14, lock nuts or washers 15 being threaded on said stem for holding them and the plungers against further relative movement after proper adjustment. The outer ends of the stems 13 are threaded at 16 in a pair of cylindrical Apush buttons 17 which are slidable'inl the outer ends lof the hubs 10.

'For holding the outer plunger and its stem and push button against withdrawal, a screw 18 or any other suitable means may be employed as seen at the upper portion of Fig. 2, the inner end of said screw being in the outward path of the adjacent washer 15. A cylindrical lock plunger 19 whose mounting will be hereinafterv described is employed for preventing withdrawal of the other plunger, stem and push button and also for locking these parts so as to prevent releasing of the latch from the outside of the door, or if desired the plunger 19 may lock the bolt direct as will hereinafter appear. Before describing the features last mentioned, it will be well to explain the construction and mounting of the latch bolt PTH 20 which is controlled by the plungers 12. 'llhis bolt is preferably rectangular and is slidably supported in the upper portion or the casing 1 by any preferred means; and the outer end of said bolt projects beyond the edge or" the casing and is beveled at 21 for engagement with the keeper (not shown) .in the usual manner. A coiled spring 22 is provided for normally projecting the bolt 20, this spring being located in a longitudinal slot 23 formed in the bolt, said slot opening through opposite sides of said bolt. rl`he outer end or the spring bears against the corresponding end of the slot while the inner end or said spring abutsa lsuitable lug 2% extending into the slot from the casing 1. This lug also limits the projection or the bolt 20 by engagement with the inner end of the slot 23.

Near its inner end the bolt 20 is formed with a rectangular opening 25 which opens through its opposite sides, the rear end wall of said opening being beveled at its vertical edges as seen at 26 for engagement with the beveled inner ends 2'? of the plungers 12, whereby inward movement of either plunger by pushing on its button 1'? will retract the bolt 20 vagainst the tension ot the spring 22.

1t is to be observed particularly that both the slot 23 and the opening 25 open through opposite 4sides of the bolt. rlhis is highly advantageous since it permits reversal orn the bolt to adapt the latch tor a, door or the like closing in either direction.

The plunger 19 above referred to is slidable inthe inner end of a tubular plunger guide 23 which is tapped into the hub 6 of the knob on the inside of the door, or if desired may pass through the opening 35 and connect with casing 1, the outer end of said guide having -a pair of diametrioally opposite shallow notches 29 and an additional pair off deeper notches 30. A stem 31 extends -from the plunger 19 through the guide 28 and is provided at its outer end with a key 32 receivable in either pair or notches 29-30. 'When in the notches 29, the key 32 permits the plunger 19 to move inwardly only to an extent to abut the washer 15 and thus prevent withdrawal or the inner plunger 12 from its guide 11. When however the key is received in the notches 30, the plunger 19 is permitted tev move farther inward for reception in a socket 33 formed in the stem vi3 of said inner plunger. By this means therefore, small children are prevented rom pushing the inner button 17 and releasing the latch. Also, by properly connecting the two plungers 12 for movement in unison, as by a pinion l2a and racks 12b (Fig. S), the plunger 19 when engaged with soclret 33 will ypreverit release et the latch mensaje from the outside, or it the guide 28 passes through the opening 35, the plunger 19 will then abut the end of slot 23 to prevent retraction of the bolt 20' from either side. A coiled springv 34: is housed in the. guide 28 and bears against the plunger 19 to normally force the latter inwardly to the extent all lowed by the key 32.

The latch may be employed wherever applicable and it is to be understood that although this application I,discloses two push buttons 17, stems 13 and plungers 12, only one or each may be employed in cases where it is not necessary that the door or other device upon which the latch is used, shall be opened from either side. l may also state that within the scope of the invention as claimed, numerous minor changes may well be made.

l claim:

1. A. latch comprising a casing, a latch bolt slidable therein, a lateral plunger for operating said bolt, a stem extending outwardly from said plunger and having a push button on its outer end and a socket near its inner end, an inclosing and guiding means for said plunger, stein and push button, a tubular guide extending laterally from said inclosing and guiding means and having in its outer end a shallow and a relatively deep notch, a locking plunger slidable in the inner end of said guide, a stein extending from said locking plunger through said guide, a spring in said guide for normally forcing said locking plunger inwardly, and a key on the outer end or said last named stem for reception in either of said notches, positioning of said key in the shallow notch only permitting sucient inward movement of said locking plunger to prevent withdrawal ci said rst named plunger, while disposition or said key in the deeper notch permits movement orn said locking plunger into said socket. i

2. Locking means for the herein described latch comprising a tubular guide having in one end a shallow and a relatively deep notch7 a locking plunger slidable in the other end of said guide, a stem extending from said plunger through said guide, a spring in said guide for projecting said plunger, and a key on said stem for reception in either of said notches to either holdisaid plunger retracted or to permit projection thereof.

ln testimony whereof l have hereunto set my hand in the presence of two subscribing witnesses.

ARCEHBALD B. GRUBER.

itnesses Louis Moines, lscrum el. Davis.

US21765618 1918-02-16 1918-02-16 Push-button latch. Expired - Lifetime US1287973A (en)

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US21765618 US1287973A (en) 1918-02-16 1918-02-16 Push-button latch.

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US21765618 US1287973A (en) 1918-02-16 1918-02-16 Push-button latch.

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US1287973A true US1287973A (en) 1918-12-17

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469159A (en) * 1946-05-17 1949-05-03 Joseph R Dombrowiak Passenger escape for vehicles
US2547108A (en) * 1947-05-22 1951-04-03 Carl E Anderson Door latch
US2676817A (en) * 1952-02-15 1954-04-27 Edwin L White Fifth wheel lock assembly
US2694917A (en) * 1951-12-19 1954-11-23 Jr Earl M Trammell Locking plunger assembly for automobile door latches
US2747906A (en) * 1952-10-03 1956-05-29 Horace Fong Inside control for refrigerator door latches
US2889164A (en) * 1955-12-29 1959-06-02 Robert A Clark Door lock
DE1183826B (en) * 1961-03-20 1964-12-17 Desmond Edward Charles Webster cylindrical mortise
US3652113A (en) * 1969-08-25 1972-03-28 Jamison Door Co Door latch assembly with pushbutton actuation
US4704880A (en) * 1985-06-10 1987-11-10 Siegfried Schlindwein Removable cam-lock unit and dead-bolt mechanism
US5626374A (en) * 1995-03-31 1997-05-06 Daewoo Electronics Co., Ltd. Video cassette recorder incorporating therein a door opening device for selectively exposing/concealing operating buttons on a front panel thereof
US5689980A (en) * 1996-01-29 1997-11-25 The Eastern Company Push button lock
US20080078217A1 (en) * 2005-04-15 2008-04-03 Fujitsu Limited Lock unit for foldable housing and electronic apparatus having the same

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469159A (en) * 1946-05-17 1949-05-03 Joseph R Dombrowiak Passenger escape for vehicles
US2547108A (en) * 1947-05-22 1951-04-03 Carl E Anderson Door latch
US2694917A (en) * 1951-12-19 1954-11-23 Jr Earl M Trammell Locking plunger assembly for automobile door latches
US2676817A (en) * 1952-02-15 1954-04-27 Edwin L White Fifth wheel lock assembly
US2747906A (en) * 1952-10-03 1956-05-29 Horace Fong Inside control for refrigerator door latches
US2889164A (en) * 1955-12-29 1959-06-02 Robert A Clark Door lock
DE1183826B (en) * 1961-03-20 1964-12-17 Desmond Edward Charles Webster cylindrical mortise
US3652113A (en) * 1969-08-25 1972-03-28 Jamison Door Co Door latch assembly with pushbutton actuation
US4704880A (en) * 1985-06-10 1987-11-10 Siegfried Schlindwein Removable cam-lock unit and dead-bolt mechanism
US5626374A (en) * 1995-03-31 1997-05-06 Daewoo Electronics Co., Ltd. Video cassette recorder incorporating therein a door opening device for selectively exposing/concealing operating buttons on a front panel thereof
US5689980A (en) * 1996-01-29 1997-11-25 The Eastern Company Push button lock
US20080078217A1 (en) * 2005-04-15 2008-04-03 Fujitsu Limited Lock unit for foldable housing and electronic apparatus having the same
US7665774B2 (en) * 2005-04-15 2010-02-23 Fujitsu Limited Lock unit for foldable housing and electronic apparatus having the same
US20100172074A1 (en) * 2005-04-15 2010-07-08 Fujitsu Limited Electronic apparatus having lock unit
US7889488B2 (en) 2005-04-15 2011-02-15 Fujitsu Limited Electronic apparatus having lock unit

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