US960245A - Door-lock. - Google Patents

Door-lock. Download PDF

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Publication number
US960245A
US960245A US1909492441A US960245A US 960245 A US960245 A US 960245A US 1909492441 A US1909492441 A US 1909492441A US 960245 A US960245 A US 960245A
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Prior art keywords
bolt
plate
lock
door
casing
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Henry J Amick
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JAMES A MURPHY
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JAMES A MURPHY
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Priority to US1909492441 priority Critical patent/US960245A/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/18Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • 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
    • Y10T70/80Parts, attachments, accessories and adjuncts
    • Y10T70/8892Silencers or mufflers

Definitions

  • This invention relates to door locks and may be applied to a lock of either the rim or mortise type.
  • One object of the invention is to improve the general structure of door locks.
  • a second object of the invention is to provide a door lock which shall be substantially noiseless in its operation.
  • a third object of the invention is to provide a door lock in which the bolt will be held retracted while the door is open so that persons passing through the door will not injure themselves or tear their clothing by striking against the projecting bolt common in such devices.
  • a fourth object of the invention is to provide a bolt of Jthe character described with means for automatically releasing the same and permitting its projection when the door is closed.
  • the invention consists in general of a casing containing novel locking lelements among which is a retractile bolt of improved character, together with an improved form of keeper for such a bolt.
  • Figure 1 is a view of a door lock constructed in accordance with this invention with the,parts shown in lock-.
  • FIG. 3 is a sectional view taken on the line 3-3 of Fig. 1.
  • Fig. 4 is a detail view of the sliding plate forming part of this lock.
  • the numeral 10 indicates the casing of a lock which is provided with a front plate 11 having a mortised portion 12 extending thereacross and this mortised portion is provided with a slot 13.
  • a plate 14 which is provided with a slot 15 adapted to register with the slot 13 in the front plate and this slot further has a lateral extension 16.
  • the plate 11 is further provided with elongated slots 17 and secured in the plate 14 are screws 18 the inner ends whereof pass through the slots 17.
  • a spring 19 Secured in one of the side walls of the casing 10 is a spring 19 the end of which rests against one of the screws 18 while a similar spring 2() has its end bearing against the other screw 18.
  • a retraetile bolt which is adapted to project through the openings in the front plate and the plate 14 and this bolt has a square end from which projects a lug 22 of such size as to be received within the extension 16 of the slot 15 when the plate 14 is moved to cover the slot 13. rlhe purpose of this lug 22 is to prevent the plate 14 from being moved so far against the action of the springs 19 that the slot 15 will be out of registry with the slot in the front plate.
  • this bolt is provided witha slot 23 through which passes a pin 24 secured to the side wall of the casing and in order to hold the bolt normally pressed outward there is provided a spring 25 fixed to the casing and having its free end bearing against the end of said bolt.
  • the lock is provided with the ordinary form of knob having a square spindle and in order to retract the bolt by the rotation of the knob a member 26 is provided with suitable circular projections 27 fitted in circular apertures in the side walls of the casing and hrough this member' extends a square opening 28 adapted to fit the knob spindle.
  • the member 2G is further provided with a lateral rojection 29 having a stem 30 extending ⁇ engthwise of the member and in spaced relation to its body.
  • the member 26 is thus oval in shape when looked at in the position indicated in Figs. 1 and 2 and it is upon the smaller end of this oval that the proj ection 30 is made.
  • the projection 30 is connected by means of a loop 31 with a bar 32 the lower end whereof is shaped as at 33 to conform to the side of the member 26.
  • This bar extends upward and terminates at its upper' end in a face 33 which engages a lug 34 projecting from the bolt 21.
  • a pin which is securely fixed in one of the side walls in the casing 10 and when the bolt is projected as indicated in Fig. 1 the bar 32 rests against this pin. If7 now, the member 26 be rotated from the position shown in Fig. 1 so that the pin 3() moves to the right, the bar 32 will be swung bodily to the right and retract the bolt 21.
  • a lock bar 38 In order to lock the bolt 21 when the door is closed there is pivoted at 37 a lock bar 38 and this lock bar is provided with downwardly extending spaced arms each of which has formed thereon a cam surface, the one to the front of the casing being indicated at 39 while the one to the rear is shown at 40. Each of these cam surfaces is further equipped with ribs 41 adapted to enter between the wards of a key.
  • This bar 38 has formed upon its upper front corner a lug 42 of rectangular form and this lug is adapted to enter a recess 43 formed on the under side of the bolt 21.
  • a tumbler 45 havin Y an upwardly pro jecting arm provided with a beveled surface 46 adapted to lie against asimilar beveled surface formed on the bar 38 when the latter is in position as indicated in Fig. 2 and immediately above this beveled portion 46 is a shoulder 47 beyond which extends a projecting finger 48.
  • the bar 38 is further cut away as at 49 so that the shoulder 4T may engage beneath the same when the parts are in position as indicated in Fig. 1, thus preventing the lug 42 from moving out of the recess 43.
  • a spring 50 is provided which has its free end bearing against the tumbler so that the latter is normally urged to assume the position shown in Fig. 1.
  • the door jamb is provided with a keeper comprising a face plate 51 whereon are mounted a plurality of cheese headed screws 52 so arranged that as the door is closed these screws will contact with the edge of the plate 14 and move it against the action of the springs 19 and 20.
  • this keeper is providedA with a pocket 53 which has held on its inner end a buffer 54 of rubber or other elastic material.
  • a casing provided with a :front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and adapted to cover said aperture and retain the bolt Within the casing; said plate lying flush With said front plate in combination with a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed.
  • a casing provided with a frontplate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and adapted to cover said vaperture and retain the bolt Within the casing; said plate lying flush With said front plate in combination with a keeper provided With means to move said plate to permit the projection of the bolt when the door is closed, and elements to retract said bolt.
  • a casing provided With a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and adapted to cover said aperture and retain the bolt Within the casing; said plate lying flush With said front plate in combination With a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed, elements to retract said bolt, and key operated meche anism arranged to lock said bolt in projected position.
  • a casing provided with a front plate having a groove extending across its :tace and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and provided with an aperture adapted to register with the bolt aperture, said plate lying flush with said front plate, springs normally urging said plate to move across the aperture in the front plate; in combination With a keeper provided With means to move said sliding plate against the action of said springs and bring the ⁇ apertures in the front and sliding plates in registry.
  • a casing provided With a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and provided with an aperture adapted to register with the bolt aperture, said plate lying flush With said front plate, springs normally urging said plate to move across the aperture in the front plate; in combination With a keeper provided With means to move said sliding plate against the action of said springs and bring the apertures in the front and sliding plates in registry, and elements to retract said bolt.
  • a casing provided with a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and provided with an aperture adapted to register with the bolt aperture, said plate lying flush With said front plate, springs normally urging said plate to move across the aperture in the front plate; in combination With a keeper provided with means to move said sliding plate against the action of said springs and bring the apertures in the front and sliding plates in registry, elements to retract said bolt, and key operated mechanism. arranged to lock said bolt in projected position.
  • a casing provided With a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough provided with a lug projecting from its front tace, and a plate slidably mounted on said front plate in said groove and provided With an aperture adapted to register with the bolt aperture and having an oi'lz set portion adapted to receive the lug on the bolt
  • springs normally urging the sliding plate to move so as to bring the bolt apertures in the front and sliding plates out of registry
  • a keeper provided with means to move said sliding plate against the action of said springs and bring the apertures in the front and sliding plates in registry, said keeper being provided with a pocket containing an elastic buier against Which the lug on the bolt is adapted to strike, elements to retract said bolt, and key operated mechanism arranged to lock said bolt in projected position.
  • a casing provided With a front plate having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate and adapted to cover said aperture and retain the bolt Within the casing; in combination With a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed, and elements to retract said bolt, said elements including an elongated rotatable member adapted to receive the stem of a door knob, a bar pivotally connected thereto provided With an end adapted to bear against the side of said member to limit the movement of the bar in one direction relative to the member, a lug on said bolt against which the free end of the bar bears, a pin fixed to said casing adapted to serve as a fulcrum for said bar When the rotatable member is moved in one direction and a spring normally holding said rotatable member in inoperative position.
  • a casing provided with a front plate having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate and adapted to cover said aperture and retain the bolt Within the casing; in combination with a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed, elements to retract said bolt, and key operated mechanism arranged to lock said bolt in projected posi- HENRY J. AMICK.

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

Description

H. J. AMIGK.
DOOR LOCK.
APrLIoATIoN FILED v3.27, 1909.
@, Patented June 7, 19m
vffii..
IINIIIIQ SIAE@ FATE@ IQ.
HENRY J. AMICK, OF RUNA, WEST VIRGINIA, ASSIGNOR OF ONE-THIRD TO JAMES A. MURPHY, OF RUNA, WEST VIRGINIA.
DOOR-LOCK.
To all whom it may concern:
Be it known that I, HENRY J. AMiok, a citizen of the United States, residing at Runa, in the county of Nicholas, State of fest Virginia, have invented certain new and useful Improvements in Door-Locks;
l and I do hereby declare the following to be a full, clear, and eXact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to door locks and may be applied to a lock of either the rim or mortise type.
One object of the invention is to improve the general structure of door locks.
A second object of the invention is to provide a door lock which shall be substantially noiseless in its operation.
A third object of the invention is to provide a door lock in which the bolt will be held retracted while the door is open so that persons passing through the door will not injure themselves or tear their clothing by striking against the projecting bolt common in such devices.
A fourth object of the invention is to provide a bolt of Jthe character described with means for automatically releasing the same and permitting its projection when the door is closed.
With the above and other objects in view as will be hereinafter apparent the invention consists in general of a casing containing novel locking lelements among which is a retractile bolt of improved character, together with an improved form of keeper for such a bolt.
The invention further consists in certain novel details of construction and combinations of parts hereinafter fully described, illustrated in the accompanying drawing, and specifically set forth in the claims.
In the accompanying drawing, like characters of reference indicate like parts in the several views, and Figure 1 is a view of a door lock constructed in accordance with this invention with the,parts shown in lock-.
Specicaton of Letters Patent.
Application filed April 27, 1909.
Patented J une *7, 1910.
serial No. 492,441.
case when the door is opened. Fig. 3 is a sectional view taken on the line 3-3 of Fig. 1. Fig. 4 is a detail view of the sliding plate forming part of this lock.
The numeral 10 indicates the casing of a lock which is provided with a front plate 11 having a mortised portion 12 extending thereacross and this mortised portion is provided with a slot 13. Slidably mounted in the mortised portion is a plate 14 which is provided with a slot 15 adapted to register with the slot 13 in the front plate and this slot further has a lateral extension 16. The plate 11 is further provided with elongated slots 17 and secured in the plate 14 are screws 18 the inner ends whereof pass through the slots 17. Secured in one of the side walls of the casing 10 is a spring 19 the end of which rests against one of the screws 18 while a similar spring 2() has its end bearing against the other screw 18. These springs normally tend to force the plate 15 to one side so that the opening therein is out of registry with the opening in the front plate.
At 21 is shown a retraetile bolt which is adapted to project through the openings in the front plate and the plate 14 and this bolt has a square end from which projects a lug 22 of such size as to be received within the extension 16 of the slot 15 when the plate 14 is moved to cover the slot 13. rlhe purpose of this lug 22 is to prevent the plate 14 from being moved so far against the action of the springs 19 that the slot 15 will be out of registry with the slot in the front plate. In order to guide the bolt .21 this bolt is provided witha slot 23 through which passes a pin 24 secured to the side wall of the casing and in order to hold the bolt normally pressed outward there is provided a spring 25 fixed to the casing and having its free end bearing against the end of said bolt.
The lock is provided with the ordinary form of knob having a square spindle and in order to retract the bolt by the rotation of the knob a member 26 is provided with suitable circular projections 27 fitted in circular apertures in the side walls of the casing and hrough this member' extends a square opening 28 adapted to fit the knob spindle. The member 2G is further provided with a lateral rojection 29 having a stem 30 extending `engthwise of the member and in spaced relation to its body. The member 26 is thus oval in shape when looked at in the position indicated in Figs. 1 and 2 and it is upon the smaller end of this oval that the proj ection 30 is made.
In order to cause the rotation in either direction of the member 26 to actuate the bolt, the projection 30 is connected by means of a loop 31 with a bar 32 the lower end whereof is shaped as at 33 to conform to the side of the member 26. This bar extends upward and terminates at its upper' end in a face 33 which engages a lug 34 projecting from the bolt 21. At 35 is a pin which is securely fixed in one of the side walls in the casing 10 and when the bolt is projected as indicated in Fig. 1 the bar 32 rests against this pin. If7 now, the member 26 be rotated from the position shown in Fig. 1 so that the pin 3() moves to the right, the bar 32 will be swung bodily to the right and retract the bolt 21. If7 on the contrary7 the pin 30 be moved to the left the pin 35 will act as a fulcrum for the bar 32 and the lower end of said bar will be carried to the left while the upper end will move to the right. In order normally to hold the member 26 in the position shown in the figures there is provided a spring 36 which acts both as a tension and compression spring. Once the bolt isretracted in either of the manners above described this spring causes the member 26 to assume its normal position and the bar 32 is thus released from stress and assumes a position similar to that shown in Fig. 2. Y
In order to lock the bolt 21 when the door is closed there is pivoted at 37 a lock bar 38 and this lock bar is provided with downwardly extending spaced arms each of which has formed thereon a cam surface, the one to the front of the casing being indicated at 39 while the one to the rear is shown at 40. Each of these cam surfaces is further equipped with ribs 41 adapted to enter between the wards of a key. This bar 38 has formed upon its upper front corner a lug 42 of rectangular form and this lug is adapted to enter a recess 43 formed on the under side of the bolt 21.
In order to retain the bar 38 in the position indicated in Fig. 1 there is pivoted at 44 a tumbler 45 havin Y an upwardly pro jecting arm provided with a beveled surface 46 adapted to lie against asimilar beveled surface formed on the bar 38 when the latter is in position as indicated in Fig. 2 and immediately above this beveled portion 46 is a shoulder 47 beyond which extends a projecting finger 48. The bar 38 is further cut away as at 49 so that the shoulder 4T may engage beneath the same when the parts are in position as indicated in Fig. 1, thus preventing the lug 42 from moving out of the recess 43. In order to move this tumbler into locked position a spring 50 is provided which has its free end bearing against the tumbler so that the latter is normally urged to assume the position shown in Fig. 1.
Vhen the doorv has been opened the bolt is retracted as shown in Fig. 2 and as soon as this bolt is retracted the plate 14 moves across the opening in the front of the casing under the iniiuence of the springs 19 and 20. In order to provide means for causing the opening in the plate to again register with the opening in the front of the casing when the door is closed the door jamb is provided with a keeper comprising a face plate 51 whereon are mounted a plurality of cheese headed screws 52 so arranged that as the door is closed these screws will contact with the edge of the plate 14 and move it against the action of the springs 19 and 20. Furthermore, this keeper is providedA with a pocket 53 which has held on its inner end a buffer 54 of rubber or other elastic material.
It is to be observed that by means of this construction the closing of the door will be checked by the springs 19 and 2O while, when the bolt is shut;v the buffer 54 will prevent noise being made thereby.
In order to permit the introduction of a key the casing 10 is provided with the usual key hole 55 and this key hole is arranged to permit the introduction of a double warded ke The remainder of the operati-on having been described in detail the manner of locking the bolt will now be considered. The
bolt being` in the position indicated in Fig.
1 and the bar 38 and tumbler 45 bein-g in the position shown in Fig. 2, the key is introduced and rotated one of the wards of the key striking the tumbler 45 and moving the upper end thereof forward. The other ward of the key engages the cam surface 39 and rotates the bar 38 about the pivot 37 forcing the lug 42 into the recess 43. Upon the continuance of the rotation of the key the tumbler 45 is freed from the action thereof and the shoulder 47 engages beneath the portion 39 of the bar 38. This locks the door. When it is desired to unlock the door the key is rotated in the opposite direction when the tumbler will be moved out of engagement with the locking bar and the opposite side of the key will strike the cam surface 41 thus restoring the parts tothe position shown in Fig. 2. There has thus been provided a simple and efficient device of the kind described and for the purpose specified.
It is obvious that minor changes may be made in the form and construction of this invention as well as in the various proportions of the parts without departing from the spirit thereof. It is not therefore de sired to confine the invention to the exact `form herein shown and described, but it is wished to include all such as properly come Within the scope of the appended claims.
Having thus described the invention, What is claimed as new and desired to be secured by Letters Patent, is
l. In a lock, a casing provided with a :front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and adapted to cover said aperture and retain the bolt Within the casing; said plate lying flush With said front plate in combination with a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed.
2. In a lock, a casing provided with a frontplate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and adapted to cover said vaperture and retain the bolt Within the casing; said plate lying flush With said front plate in combination with a keeper provided With means to move said plate to permit the projection of the bolt when the door is closed, and elements to retract said bolt.
3. In a lock, a casing provided With a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and adapted to cover said aperture and retain the bolt Within the casing; said plate lying flush With said front plate in combination With a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed, elements to retract said bolt, and key operated meche anism arranged to lock said bolt in projected position.
4. In a lock, a casing provided with a front plate having a groove extending across its :tace and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and provided with an aperture adapted to register with the bolt aperture, said plate lying flush with said front plate, springs normally urging said plate to move across the aperture in the front plate; in combination With a keeper provided With means to move said sliding plate against the action of said springs and bring the `apertures in the front and sliding plates in registry.
5. In a lock, a casing provided With a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and provided with an aperture adapted to register with the bolt aperture, said plate lying flush With said front plate, springs normally urging said plate to move across the aperture in the front plate; in combination With a keeper provided With means to move said sliding plate against the action of said springs and bring the apertures in the front and sliding plates in registry, and elements to retract said bolt.
6. In a lock, a casing provided with a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate in said groove and provided with an aperture adapted to register with the bolt aperture, said plate lying flush With said front plate, springs normally urging said plate to move across the aperture in the front plate; in combination With a keeper provided with means to move said sliding plate against the action of said springs and bring the apertures in the front and sliding plates in registry, elements to retract said bolt, and key operated mechanism. arranged to lock said bolt in projected position.
7. In a lock, a casing provided With a front plate having a groove extending across its face and having a bolt aperture, a bolt slidable therethrough provided with a lug projecting from its front tace, and a plate slidably mounted on said front plate in said groove and provided With an aperture adapted to register with the bolt aperture and having an oi'lz set portion adapted to receive the lug on the bolt When the latter is retracted, said plate lying flush with the front plate, springs normally urging the sliding plate to move so as to bring the bolt apertures in the front and sliding plates out of registry; in combination With a keeper provided with means to move said sliding plate against the action of said springs and bring the apertures in the front and sliding plates in registry, said keeper being provided with a pocket containing an elastic buier against Which the lug on the bolt is adapted to strike, elements to retract said bolt, and key operated mechanism arranged to lock said bolt in projected position.
8. In a lock, a casing provided With a front plate having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate and adapted to cover said aperture and retain the bolt Within the casing; in combination With a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed, and elements to retract said bolt, said elements including an elongated rotatable member adapted to receive the stem of a door knob, a bar pivotally connected thereto provided With an end adapted to bear against the side of said member to limit the movement of the bar in one direction relative to the member, a lug on said bolt against which the free end of the bar bears, a pin fixed to said casing adapted to serve as a fulcrum for said bar When the rotatable member is moved in one direction and a spring normally holding said rotatable member in inoperative position.
9. In a lock, a casing provided with a front plate having a bolt aperture, a bolt slidable therethrough, a plate slidably mounted on said front plate and adapted to cover said aperture and retain the bolt Within the casing; in combination with a keeper provided With means to move said plate to permit the projection of the bolt When the door is closed, elements to retract said bolt, and key operated mechanism arranged to lock said bolt in projected posi- HENRY J. AMICK.
`Witnesses M. GILLIS, ELMER BURNS.
US1909492441 1909-04-27 1909-04-27 Door-lock. Expired - Lifetime US960245A (en)

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