US1246383A - Lock. - Google Patents

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US1246383A
US1246383A US17964417A US1246383A US 1246383 A US1246383 A US 1246383A US 17964417 A US17964417 A US 17964417A US 1246383 A US1246383 A US 1246383A
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Prior art keywords
lock
spindle
knob
casing
door
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Gustave J Bertram
Ferdinand E Nitzsche
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00Locks in which a sliding latch is used also as a locking bolt
    • E05B55/005Cylindrical or tubular locks
    • 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
    • Y10T70/5372Locking latch bolts, biased
    • Y10T70/5385Spring projected
    • Y10T70/5389Manually operable
    • Y10T70/5394Directly acting dog for exterior, manual, bolt manipulator

Definitions

  • This invention relates to locks and particularly to what are known as knob locks, and the object thereof is to provide a devlce of the class specified which is slmple 1n construction and operation and which is strong and durable and not liable to easily get out of order, or need repalr, and which may be connected with doors and the llke of any kind or ciass.
  • Fig. 3 a partial section on the line 3-3 of Fig. 1 and on an enlarged scale;
  • Fig. 4 a section on the line 4-4 of Flg. 2;
  • Fig. 5 a detail view of a part of the con-, struction shown in Fig.4 with the parts in a different position and viewed from a d1- rection opposite that shown in Fig. 4;
  • Fig. 6 a section on the line 66 of Fig. 3;
  • Fig. 7 a view similar to Fig. 6 but showing a part of the construction in a different position
  • Fig. 8 a section on the line 88 of Flg. 3;
  • Fig. 9 a view similar to Fig. 8 but showing parts of the construction in a different position;
  • Fig. 10 a detail view of the spindle which is employed in the lock
  • Fig. 11 a detail face view of an annular head member which is employed in connection with one end of the spindle;
  • Fig. 12 a detail face view of a U-shaped lock member which operates in connection with said spindle and said head member;
  • Fig. 13 a central section of the lock member as shown in Fig. 12;
  • Fig. 14 a detail face view of one of a number of tumblers which are employed in the lock.
  • Fig. 15 a detail face view which is employed.
  • Figs. 1,2, and 3 of the drawing 16 indicates a door having in one edge portion thereof an aperture 17 through which is passed a spindle 18 shown in detail in Fig. 10 and comprising a reduced rectangular shank portion 19 provided with an aperture 20, and a cylindrical end portion 21 having a plurality of oppositely directed arms or web members 22, each of which is provided with reduced end portions 23 which vary in transverse dimensions as will be clearly noted on a consideration of Figs. 6 and 7 of the drawing.
  • the face of two of the arms 22 are provided with pins 24 and inwardly of the arms 22 the cylindical portion 21 is provided with an aperture 25.
  • a plate 26 Secured to the outer side of the door is a plate 26 provided with one or more outwardly directed pins 27, one of which is shown in Fig. 3, and mounted on the cylindrical end portion 21 of the spindle 18 is a sleeve 28, the inner head portion 29 of which is provided with an aperture or apertures 30 adapted to receive the pin or pins 27.
  • a knob casing 31 is mounted on the outer end portion of the sleeve 28, the inner wall of said knob being provided with a plurality ofapertures 32 which are adapted to receive the reduced ends 23 of the arms 22, asclearly indicated in Figs. 3, 6 and 7, and in this way the knob casing 31 is held in position by the arms 22 of the spindle 18, and a shoulder 33 on the sleeve 28 when the inner knob 34 is connected with the rectangular shank 19 of the spindle by a screw 35 which operates in connection with the aperture 20, as clearly noted. in Fig. 3 of the drawing.
  • the lock casing 36 is secured to the inner side of the door and is provided with a latch bolt 37 which is operated in the usual or any *desired manner by the operation or rotation of the spindle 18.
  • a pin 38 as shown in Figs. 4 and 5 is connected with the usual mechanism within the lock casing 36 which connects with said bolt and permits the inward and outward movement thereof, and a bar 39 provided at one end with a finger piece 40 is mounted on the inner face of the lock casing 36 adjacent to the pin 38 and provided with an elongated aperture-11 adapted to receive the pin 38, and another bar 42 is connected with the casing by a screw 43 which passes through an elongated aperture 44 in the bar 42, said rod being provided at one end with a finger piece 45 and the inner end 46 thereof is adapted to overlap the inner end of the bar 39, as
  • a rectangular lug or projection 47 which is adapted to operate in connection with the inner edge portion of the bar 39 as hereinafter described.
  • An annular head member 48 is adapted to be mounted on the face of the arms 22 of the spindle 18, this being accomplished by providing apertures 49 in said head member which are adapted to receive the pins 24.
  • the outer face of said head member is provided on opposite sides thereof with a plurality of lugs or projections 50, three of which are shown, one of said lugs or projections being provided with laterally directed ears or Wings 51, this construction being clearly indicated in Figs. 8,9 and 11.
  • a U-shaped lock member 52 is connected with the end of the spindle provided with the arms 22 before the head member 48 is connected therewith.
  • One side of the lock member 52 is provided with an aperture 53 in which the key of the lock is adapted to operate, as hereinafter described, and said side of the lock member is provided with oppositely arranged and parallel faces 54 which operate on correspondingly formed faces 55 in the wall of the need member 48, as clearly indicated in Figs. 6 and 7 of the drawing, and a pin or projection 56 is connected with said side of the lock member centrally of one of the parallel faces 54 and at right angles thereto.
  • the other side of the lock member 52 is V-shaped in form, or provided with. two projecting members 57 forming therebetween an aperture 58 as clearly shown in Figs. 6 and 7.
  • the head portion 59 of the U-shaped member is provided centrally with an inwardly directed pin 60 which is adapted to operate in connection with the aperture 25 in the spindle 18, and an aperture 61 on the outer end of the sleeve 28, as clearly shown in Figs. 3, 6 and 7.
  • Fig. 14 we have shown at 62 one of a number of tumblers which may be employed, two of which are shown in Fig. 3, said tumblers beingprovided with key apertures 63, and one end portion thereof being U-shaped in form, or provided with a central aperture 64 adapted to receive the lug member 50 provided with the ears.51 and adjacent to said U-shaped end of the tumbler one edge of which is provided with a lug or projection 65, and the other edge portion of said tumblers being reduced as shown at 66 to pass between the other lug members 56 on the annular head 48.
  • This connection of the tumblers with the head 48 is clearly shown in Figs.
  • the lock casing 36 with the rods 39 and 42 connected therewith as shown in Figs. 4 and 5 is connected with the inner side of the door, after which the plate 26 is connected with the outer side of the door.
  • the next operation will be to assemble the various parts within the knob casing 31, in which operation the lock member 52 is first connected with the end of the spindle 18 provided with the arms 22, and in this operation one of said arms passes through an aperture 69 centrally of the lock member 52, after which the head member 48 is connected with the arms 22, as hereinbefore described.
  • the tumblers 62 two of which are employed, are then placed in position as shown in Figs.
  • a spring device 70 is connected with the head member 48 and the tumblers 62 by placing the end portion 71 thereof under or within one of the cars 51 and forcing the hook end 72 thereof into position to engage the lug members 65 on the tumblers, as clearly shown in Figs. 8 and 9.
  • Thev spring device 70 gives tension to said tumblers which will be readily understood.
  • the lock plate 73 shown in Fig. 15 is then placed'upon the outer tumbler 62, said look plate being provided in one end thereof with an aperture 74- which is adapted to receive the lug 50 provided with the ears 51, and the other end thereof is provided with recesses 75 adapted to receive the other lugs 50, and said lock plate is provided centrally with a key aperture 76, and the function of this plate is to hold the tumblers 62 iri proper place in the operation thereof.
  • a key plug 77 consisting of an inwardly directed cylindrical portion 78 and an outer head portion 79 is next placed in position, the cylindrical portion 78 passing through the key aperture 7 6 and the lock plate 73, and through the apertures 63 in the tumblers 62, and the inner end thereof engaging a cylindrical recess 80 in the outer end sired manner, said cap being provided withan aperture to receive the outer end ⁇ of the key plug 77, as clearly shown in Fig. 3'
  • the latch. bolt 37 When the various parts of the lock construction within the knob casing 31 are in the position shown in Figs. 3, 6 and 8 may be moved inwardly and outwardly by the rotation or manipulation of the knobs 31 and 34, or said bolt may be moved inwardly by the movement of the bar 39 from its full line position to the dotted line position indicated in Fig. 4, in
  • the key 83 is inserted in the knob casing 31 and rotated to move the tumblers 62 and lock member 52 from the positions thereof shown in Figs. 6 and 8 to the positions thereof shown in Figs. 7 and 9, in which latter positionthe pin 60 is in engagement with the apertures 25 and 61. In this position of the parts the door cannot be opened from the outer'side without again insert-.
  • the door may be opened from the inner side, however, by manipulat' ing the rod 39 as above described.
  • knob lock which is simple in construction and operation and which operates in connection with a lock casing having a latch or look bolt, and said knob-lock is adapted to control the locking and unlocking of the bolt in the lock casing independent of any other key-operatedmeans, and while we have shown certain details of construction for accomplishing the desired result it will be understood that our invention is not limited to the specific arrangement of parts herein shown and described, and changes therein and modifications thereof may be made, within the scope of the appended claims, without departing from the spirit of our invention or sacrificin its advantages.
  • a lock mechanism of the class described the combination with a lock casing mounted on one side of the door, said casing being provided with a latch bolt and a spindle which passes therethrough and is adapted to operate in connection with said bolt, of a supplemental lock mechanism, said lock mechanism being mounted in the knob on the outer side of the door and adapted to operate in connection with said spindle, a knob connected with the spindle on the inner side of the door, said knobs being adapted to rotate the spindle to move the bolt inwardly and outwardly, means for operating the lock mechanism in said 'knob to lock the spindle against rotation by either of said knobs, and means for operating the operate in connection with said spindle, a
  • knobs connected with the spindle on the inner side of the door, said knobs being adaptsaid casing the lock mechanism in said knob to lock the spindle against rotation by either of said knobs, means for operating the bolt inwardly and outwardly independent of said knobs and spindle, and means operating in connection with said last named means for locking said bolt against outward movement when inits withdrawn or in operative position.
  • a lock mechanism of the class described a door, a spindle passing transversely therethrough and provided at its ends with knobs, a lock mechanism mounted on one side of the door and provided with a latch bolt adapted to be operated by said spindle, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, key-operated means mounted in the knob on the outer side of the door for locking said spindle against movement by said knobs, and means in operative connection with the lock mechanism on the inner side of the door for moving said bolt inwardly and outwardly independent of said knobs and spindle.
  • a lock mechanism of the class described a door, a spindle passing transversely therethrough and provided at its ends with knobs, a lock mechanism mounted on one side of the door and provided with a latch bolt adapted to be operated by said spindle, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, a supplemental lock mechanism mounted in the outer knob and comprisinga lock member adapted to operate in connection with the spindle and tumblers cooperating with said lock member whereby a key device may manipulate said tumblers and lock member to lock the spindle against movement by said knobs.
  • a lock mechanism of the class described a door, a lock casing mounted on one side of the door. a sleeve mounted on the other side thereof, a spindle adapted to pass through said lock casing and said sleeve, a knob detachably connected with the casing end of said spindle, another knob rotatably mounted on the end portion of said sleeve and connected with the other end portion of said spindle, and a supplemental lock mechanism mounted in said last named knob, said supplemental lock mechanism being provided with a member adapted to engage said spindle and said sleeve to lock the same together to prevent the rotation of said knob.
  • a lock mechanism oi the class described, a door, a lock casing mounted on one side of the door, a latch bolt movably mounted in said casing, a spindle passing through said lock casing and said door and adapted to operate said latch bolt, one end masses scribed, a door, a spindle passing transversely therethrough and provided at its ends with knobs, a lock mechanism mounted on one side of the door and provided with a latch bolt adapted to be operated by said spindle, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, a supplemental lock mechanism mounted in the outer knob and comprising a lock member movable transversely thereof and in operative connection with the spindle and tensionally controlled tumblers cooperating with said lock member whereby a key device inserted into the knob having the supplemental lock mechanism may manipulate said tumblers and lock member to lock the spindle against movement by said knobs.
  • a door a lock. casing mounted on one side of the door, a sleeve mounted on the other side thereof, a spindle adapted to pass through said lock casing and said sleeve, the lock casing end portion of said spindle being angular in form in cross section and the sleeve end portion thereof circular in form in cross section and provided at its end with a head, a knob detachably connected with the angular end portion of said spindle, a knob casing rotatably mounted on the end portion of said sleeve and adapted to be connected with the head on the end of the spindle, said spindle and sleeve being provided adjacent to said head with apertures, a lock member movably mounted in said knob casing and guided by said head in its movement, said member being provided with a pin adapted to enter the apertures in said sleeve and spindle and tensionally controlled tumblers mounted in said knob casing and cooperat
  • a lock mechanism of the class described a door, a lock casing mounted on one side of the door, said casing being provided with a latch bolt, a sleeve mounted on the other side of the door, a spindle adapted to pass through said lock casing and said sleeve, a knob detachably connected with the casing end portion of the spindle, a knob casing roiio tatably mounted on the end portion of said sleeve, the sleeve end portion of said spindle being provided with a head which is adapted to be connected with said knob casing, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, said spindle and sleeve being provided adjacent to said head with apertures, a lock member movably mounted in said knob casing and guided by said head in its movement, said member being provided with a pin adapted 50 enter the apertures in said sleeve and spindle, tensionally controlled tumbler

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  • Lock And Its Accessories (AREA)

Description

UNITED STATES PATENT OFFICE.
GUSTAVE J'. BERTRAIM AND FERDINAND E. NITZSCHE, OF BROOKLYN, NEW YORK.
LOCK.
Specification of Letters Patent.
Patented Nov. 13, 1917.
Application filed July 10, 1917. Serial No. 179,644.
To all whom it may concern:
Be it known that we, GUsrrAvE J. BERTRAM and FERDINAND E. Nrrzsonn, citizens of the United States, and residing at Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Locks of which the following is a specification, such as will enable those skilled in the art to which it appertains to make and use the same.
This invention relates to locks and particularly to what are known as knob locks, and the object thereof is to provide a devlce of the class specified which is slmple 1n construction and operation and which is strong and durable and not liable to easily get out of order, or need repalr, and which may be connected with doors and the llke of any kind or ciass.
The invention is fully disclosed in the following specification, of which the accompanying drawing forms a part, in which the separate parts of our improvement are designated by suitable reference characters 1n each of the views, and in which Figure 1 is an inside view of a part of a door and indicating the lock attached thereto Fig. 2 a view looking in the direction of the arrow 2 of'Fig. 1;
Fig. 3 a partial section on the line 3-3 of Fig. 1 and on an enlarged scale;
Fig. 4 a section on the line 4-4 of Flg. 2;
Fig. 5 a detail view of a part of the con-, struction shown in Fig.4 with the parts in a different position and viewed from a d1- rection opposite that shown in Fig. 4;
Fig. 6 a section on the line 66 of Fig. 3;
Fig. 7 a view similar to Fig. 6 but showing a part of the construction in a different position;
Fig. 8 a section on the line 88 of Flg. 3;
Fig. 9 a view similar to Fig. 8 but showing parts of the construction in a different position;
Fig. 10 a detail view of the spindle which is employed in the lock;
Fig. 11 a detail face view of an annular head member which is employed in connection with one end of the spindle;
Fig. 12 a detail face view of a U-shaped lock member which operates in connection with said spindle and said head member;
Fig. 13 a central section of the lock member as shown in Fig. 12;
Fig. 14 a detail face view of one of a number of tumblers which are employed in the lock; and,
Fig. 15 a detail face view which is employed.
In Figs. 1,2, and 3 of the drawing 16 indicates a door having in one edge portion thereof an aperture 17 through which is passed a spindle 18 shown in detail in Fig. 10 and comprising a reduced rectangular shank portion 19 provided with an aperture 20, and a cylindrical end portion 21 having a plurality of oppositely directed arms or web members 22, each of which is provided with reduced end portions 23 which vary in transverse dimensions as will be clearly noted on a consideration of Figs. 6 and 7 of the drawing. The face of two of the arms 22 are provided with pins 24 and inwardly of the arms 22 the cylindical portion 21 is provided with an aperture 25.
of a lock plate Secured to the outer side of the door is a plate 26 provided with one or more outwardly directed pins 27, one of which is shown in Fig. 3, and mounted on the cylindrical end portion 21 of the spindle 18 is a sleeve 28, the inner head portion 29 of which is provided with an aperture or apertures 30 adapted to receive the pin or pins 27.
A knob casing 31 is mounted on the outer end portion of the sleeve 28, the inner wall of said knob being provided with a plurality ofapertures 32 which are adapted to receive the reduced ends 23 of the arms 22, asclearly indicated in Figs. 3, 6 and 7, and in this way the knob casing 31 is held in position by the arms 22 of the spindle 18, and a shoulder 33 on the sleeve 28 when the inner knob 34 is connected with the rectangular shank 19 of the spindle by a screw 35 which operates in connection with the aperture 20, as clearly noted. in Fig. 3 of the drawing.
The lock casing 36 is secured to the inner side of the door and is provided with a latch bolt 37 which is operated in the usual or any *desired manner by the operation or rotation of the spindle 18. A pin 38, as shown in Figs. 4 and 5 is connected with the usual mechanism within the lock casing 36 which connects with said bolt and permits the inward and outward movement thereof, and a bar 39 provided at one end with a finger piece 40 is mounted on the inner face of the lock casing 36 adjacent to the pin 38 and provided with an elongated aperture-11 adapted to receive the pin 38, and another bar 42 is connected with the casing by a screw 43 which passes through an elongated aperture 44 in the bar 42, said rod being provided at one end with a finger piece 45 and the inner end 46 thereof is adapted to overlap the inner end of the bar 39, as
clearly shown in Fig. 4, and adjacent to said end the bar 42 is provided with a rectangular lug or projection 47 which is adapted to operate in connection with the inner edge portion of the bar 39 as hereinafter described.
An annular head member 48 is adapted to be mounted on the face of the arms 22 of the spindle 18, this being accomplished by providing apertures 49 in said head member which are adapted to receive the pins 24. The outer face of said head member is provided on opposite sides thereof with a plurality of lugs or projections 50, three of which are shown, one of said lugs or projections being provided with laterally directed ears or Wings 51, this construction being clearly indicated in Figs. 8,9 and 11.
A U-shaped lock member 52 is connected with the end of the spindle provided with the arms 22 before the head member 48 is connected therewith. One side of the lock member 52 is provided with an aperture 53 in which the key of the lock is adapted to operate, as hereinafter described, and said side of the lock member is provided with oppositely arranged and parallel faces 54 which operate on correspondingly formed faces 55 in the wall of the need member 48, as clearly indicated in Figs. 6 and 7 of the drawing, and a pin or projection 56 is connected with said side of the lock member centrally of one of the parallel faces 54 and at right angles thereto.
The other side of the lock member 52 is V-shaped in form, or provided with. two projecting members 57 forming therebetween an aperture 58 as clearly shown in Figs. 6 and 7. The head portion 59 of the U-shaped member is provided centrally with an inwardly directed pin 60 which is adapted to operate in connection with the aperture 25 in the spindle 18, and an aperture 61 on the outer end of the sleeve 28, as clearly shown in Figs. 3, 6 and 7.
In Fig. 14, we have shown at 62 one of a number of tumblers which may be employed, two of which are shown in Fig. 3, said tumblers beingprovided with key apertures 63, and one end portion thereof being U-shaped in form, or provided with a central aperture 64 adapted to receive the lug member 50 provided with the ears.51 and adjacent to said U-shaped end of the tumbler one edge of which is provided with a lug or projection 65, and the other edge portion of said tumblers being reduced as shown at 66 to pass between the other lug members 56 on the annular head 48. This connection of the tumblers with the head 48 is clearly shown in Figs. 8 and 9, the last named end of the tumblers being provided with a rectangular aperture 67, the opposite walls of which are provided with inwardly directed projections 68, and the pin or projection 56 on the lock member 52 is adapted to operate in connection with the aperture 67 in the tumblers 62 as will be clearly noted on a consideration of Figs. 8 and 9,- as hereinafter described. 1
The operation of connecting our improved lock'with a door and assembling the various parts thereof will be readily understood from the foregoing description when taken in connection with the accompanying drawing and the following statement.
After the door has been provided with the apertures 17, the lock casing 36 with the rods 39 and 42 connected therewith as shown in Figs. 4 and 5 is connected with the inner side of the door, after which the plate 26 is connected with the outer side of the door. The next operation will be to assemble the various parts within the knob casing 31, in which operation the lock member 52 is first connected with the end of the spindle 18 provided with the arms 22, and in this operation one of said arms passes through an aperture 69 centrally of the lock member 52, after which the head member 48 is connected with the arms 22, as hereinbefore described. The tumblers 62, two of which are employed, are then placed in position as shown in Figs. 8 and 9, or on the face of the head member 48, after which a spring device 70 is connected with the head member 48 and the tumblers 62 by placing the end portion 71 thereof under or within one of the cars 51 and forcing the hook end 72 thereof into position to engage the lug members 65 on the tumblers, as clearly shown in Figs. 8 and 9. Thev spring device 70 gives tension to said tumblers which will be readily understood.
The lock plate 73 shown in Fig. 15 is then placed'upon the outer tumbler 62, said look plate being provided in one end thereof with an aperture 74- which is adapted to receive the lug 50 provided with the ears 51, and the other end thereof is provided with recesses 75 adapted to receive the other lugs 50, and said lock plate is provided centrally with a key aperture 76, and the function of this plate is to hold the tumblers 62 iri proper place in the operation thereof. A key plug 77 consisting of an inwardly directed cylindrical portion 78 and an outer head portion 79 is next placed in position, the cylindrical portion 78 passing through the key aperture 7 6 and the lock plate 73, and through the apertures 63 in the tumblers 62, and the inner end thereof engaging a cylindrical recess 80 in the outer end sired manner, said cap being provided withan aperture to receive the outer end \of the key plug 77, as clearly shown in Fig. 3'
of the drawing.
The above completes the connection of the various parts of our improved knob lock with the knob casing 31 and the connection of said parts with the spindle. The next operation is to place the sleeve 28 upon the spindle from the angular shank end thereof and to lock said sleeve in position by inserting akey 83 into the knob casing 31 and manipulating the tumblers and spindle to bring the pin in the lock member 52 in line with the aperture 25 in the spindle as well as to bring the aperture 61 in the. sleeve 28 in line with said pin, and the rotation of the key will move said pin into said apertures and lock the sleeve 28 and spindle 18 in position. The locked position of the parts being indicated in Figs. 7 and 9 of the drawing. The position of the parts shown in Figs. 3, 6 and 8 being the open position thereof.
The spindle and sleeve locked in position as above set out are passed through the aperture 17 in the door from the outer side thereof, the aperture 30 in the sleeve 28' engaging the pin 27, and the plate 26, after which the knob 34 is connected with the rectangular shank 19 of the spindle by the screw 35, and the lock is in position for use, and the operation thereof will be readily understood from the foregoing description when taken in connection with the following statement.
The latch. bolt 37 When the various parts of the lock construction within the knob casing 31 are in the position shown in Figs. 3, 6 and 8 may be moved inwardly and outwardly by the rotation or manipulation of the knobs 31 and 34, or said bolt may be moved inwardly by the movement of the bar 39 from its full line position to the dotted line position indicated in Fig. 4, in
which operation the bar 39 moves the pin 38 into the dotted line position shown in Fig. 4 and as shown in full lines in Fig. 5, and said bolt may be locked in its innermost position by moving the bar 42 inwardly into the dotted line position shown in Fig. 4, or into the position of the bars 39 and 42 shown in Fig. 5, in which position the rectangular lug 47 operates in connection with the inner end of the bar 39 to hold said bar against inward movement.
In order to lock the latch bolt 37 against inward movement by the knobs 31 and 34, the key 83 is inserted in the knob casing 31 and rotated to move the tumblers 62 and lock member 52 from the positions thereof shown in Figs. 6 and 8 to the positions thereof shown in Figs. 7 and 9, in which latter positionthe pin 60 is in engagement with the apertures 25 and 61. In this position of the parts the door cannot be opened from the outer'side without again insert-.
ing the key to return the parts of the lock into the inoperative position, or that shown in Figs. 3, 6 and 8. The door may be opened from the inner side, however, by manipulat' ing the rod 39 as above described.
From the foregoing description it will be noted that we provide a knob lock which is simple in construction and operation and which operates in connection with a lock casing having a latch or look bolt, and said knob-lock is adapted to control the locking and unlocking of the bolt in the lock casing independent of any other key-operatedmeans, and while we have shown certain details of construction for accomplishing the desired result it will be understood that our invention is not limited to the specific arrangement of parts herein shown and described, and changes therein and modifications thereof may be made, within the scope of the appended claims, without departing from the spirit of our invention or sacrificin its advantages.
aving fully described our invention what we claim as new and desire to secure by Letters Patent, is:
1. In a lock mechanism of the class described, the combination with a lock casing mounted on one side of the door, said casing being provided with a latch bolt and a spindle which passes therethrough and is adapted to operate in connection with said bolt, of a supplemental lock mechanism, said lock mechanism being mounted in the knob on the outer side of the door and adapted to operate in connection with said spindle, a knob connected with the spindle on the inner side of the door, said knobs being adapted to rotate the spindle to move the bolt inwardly and outwardly, means for operating the lock mechanism in said 'knob to lock the spindle against rotation by either of said knobs, and means for operating the operate in connection with said spindle, a
knob connected with the spindle on the inner side of the door, said knobs being adaptsaid casing the lock mechanism in said knob to lock the spindle against rotation by either of said knobs, means for operating the bolt inwardly and outwardly independent of said knobs and spindle, and means operating in connection with said last named means for locking said bolt against outward movement when inits withdrawn or in operative position.
3. In a lock mechanism of the class described, a door, a spindle passing transversely therethrough and provided at its ends with knobs, a lock mechanism mounted on one side of the door and provided with a latch bolt adapted to be operated by said spindle, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, key-operated means mounted in the knob on the outer side of the door for locking said spindle against movement by said knobs, and means in operative connection with the lock mechanism on the inner side of the door for moving said bolt inwardly and outwardly independent of said knobs and spindle.
4. In a lock mechanism of the class described, a door, a spindle passing transversely therethrough and provided at its ends with knobs, a lock mechanism mounted on one side of the door and provided with a latch bolt adapted to be operated by said spindle, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, a supplemental lock mechanism mounted in the outer knob and comprisinga lock member adapted to operate in connection with the spindle and tumblers cooperating with said lock member whereby a key device may manipulate said tumblers and lock member to lock the spindle against movement by said knobs.
5. In a lock mechanism of the class described, a door, a lock casing mounted on one side of the door. a sleeve mounted on the other side thereof, a spindle adapted to pass through said lock casing and said sleeve, a knob detachably connected with the casing end of said spindle, another knob rotatably mounted on the end portion of said sleeve and connected with the other end portion of said spindle, and a supplemental lock mechanism mounted in said last named knob, said supplemental lock mechanism being provided with a member adapted to engage said spindle and said sleeve to lock the same together to prevent the rotation of said knob.
6. In a lock mechanism oi the class described, a door, a lock casing mounted on one side of the door, a latch bolt movably mounted in said casing, a spindle passing through said lock casing and said door and adapted to operate said latch bolt, one end masses scribed, a door, a spindle passing transversely therethrough and provided at its ends with knobs, a lock mechanism mounted on one side of the door and provided with a latch bolt adapted to be operated by said spindle, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, a supplemental lock mechanism mounted in the outer knob and comprising a lock member movable transversely thereof and in operative connection with the spindle and tensionally controlled tumblers cooperating with said lock member whereby a key device inserted into the knob having the supplemental lock mechanism may manipulate said tumblers and lock member to lock the spindle against movement by said knobs.
8. In a lock mechanism of the class described, a door, a lock. casing mounted on one side of the door, a sleeve mounted on the other side thereof, a spindle adapted to pass through said lock casing and said sleeve, the lock casing end portion of said spindle being angular in form in cross section and the sleeve end portion thereof circular in form in cross section and provided at its end with a head, a knob detachably connected with the angular end portion of said spindle, a knob casing rotatably mounted on the end portion of said sleeve and adapted to be connected with the head on the end of the spindle, said spindle and sleeve being provided adjacent to said head with apertures, a lock member movably mounted in said knob casing and guided by said head in its movement, said member being provided with a pin adapted to enter the apertures in said sleeve and spindle and tensionally controlled tumblers mounted in said knob casing and cooperatin with said lock member whereby a key device inserted into the knob casing may manipulate said tumblers and said lock member to lock the spindle against movement by said knobs.
9. In a lock mechanism of the class described, a door, a lock casing mounted on one side of the door, said casing being provided with a latch bolt, a sleeve mounted on the other side of the door, a spindle adapted to pass through said lock casing and said sleeve, a knob detachably connected with the casing end portion of the spindle, a knob casing roiio tatably mounted on the end portion of said sleeve, the sleeve end portion of said spindle being provided with a head which is adapted to be connected with said knob casing, said knobs being adapted to operate the spindle to move said bolt inwardly and outwardly, said spindle and sleeve being provided adjacent to said head with apertures, a lock member movably mounted in said knob casing and guided by said head in its movement, said member being provided with a pin adapted 50 enter the apertures in said sleeve and spindle, tensionally controlled tumblers mounted in said knob casing and cooperating with said lock member whereby a key device inserted into the knob casing may manipulate said tumblers and lock member to lock the spindle against movement by said knobs, and means for operating said latch bolt inwardly and outwardly independent of said knobs and spindle.
In testimony that we claim the foregoing as our invention we have signed our names in presence of the subscribing witnesses this 3rd day of July 1917.
GUSTAVE J. BERTRAM. FERDINAND E. NITZSCHE. Witnesses:
C. E. MULREANY, N. I. THOMPSON.
US17964417 1917-07-10 1917-07-10 Lock. Expired - Lifetime US1246383A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113675A (en) * 1991-01-07 1992-05-19 Uyeda Alan K Intermediate door locking mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113675A (en) * 1991-01-07 1992-05-19 Uyeda Alan K Intermediate door locking mechanism

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