US3173715A - Door lock - Google Patents

Door lock Download PDF

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Publication number
US3173715A
US3173715A US145150A US14515061A US3173715A US 3173715 A US3173715 A US 3173715A US 145150 A US145150 A US 145150A US 14515061 A US14515061 A US 14515061A US 3173715 A US3173715 A US 3173715A
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US
United States
Prior art keywords
latch
door
pivot axis
latched
link
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
US145150A
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English (en)
Inventor
John H Roethel
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US145150A priority Critical patent/US3173715A/en
Priority to DER33593A priority patent/DE1264990B/de
Priority to DER47298A priority patent/DE1297511B/de
Priority to GB38323/62A priority patent/GB994815A/en
Application granted granted Critical
Publication of US3173715A publication Critical patent/US3173715A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/26—Automatic undogging or reconnecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/27—Disconnectable handle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0911—Hooked end
    • Y10T292/0926—Spring projected
    • Y10T292/0928—Operating means
    • Y10T292/0929—Link and lever
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1051—Spring projected
    • Y10T292/1052—Operating means
    • Y10T292/1055—Link and lever

Definitions

  • latch mechanisms having rotary or gear-type latch devices have been widely utilized by vehicle manufacturers, it is the opinion of many engineers that such latch mechanisms have inherent deficiencies that cannot be circumvented. These engineers recognize the value of a latch mechanism in which the latch device is always ready for engagement with a keeper device, i.e., a latch device that does not have to be cocked or preset for movement from unlatched to latched condition. This readiness for engagement with a keeper device is a favorable characteristic of rotary or gear-type latch mechanisms.
  • Space limitations however, have restricted the diame-tral size of rotary or gear-type latch devices to small diameter gears of modified tooth form having relatively inefiicient gear action upon engagement with a rack-type keeper device.
  • the inetficient gear action results in high impact forces being transmitted to the gear shaft and the bearing jonrnalling the shaft.
  • the high impact forces are also transmitted to the keeper device causing the latter eventually to become loosened and misaligned on its vehicle body support structure.
  • a latch mechanism having an improved latch device which is constructed and arranged so as to be always in readiness for latching engagement with a keeper device; which has a highly efficient latching action; and which has minimum shock transmittal characteristics upon engagement with its keeper device as the vehicle door is swung from an open to a closed position.
  • the latch mechanism embodying the present invention comprises a support plate for disposition at the free edge wall of a vehicle door.
  • a latch device is mounted on pivoted means carried on said support plate, the latch device being mounted in spaced relation to the pivot axis of said pivot means for bodily shiftable movement from latched to unlatched position.
  • the latch device has a keeper engageable portion adapted to engage a keeper device having secondary latched and fully or primary latched positions thereon. In either position the keeper engaging portion straddles a plane passing through the pivot axis of the latch device pivoted mounting means, the plane being one which is substantialiy normal to the hinge axis of the door.
  • the levers, links and connecting members coupling the manually operable devices, such as the door handles, push-buttons or the like, to the latch device for causing movement of the latter from latched to unlatched position are rendered inoperative to cause unlatching movement. This is done by uncoupling or disconnecting selected links or levers.
  • the manually operable device, such as the handle or push button remains responsive to actuation but no actuating movement is transmitted to the latch device.
  • FIG. 1 is an elevation looking at the latch mechanism as it appears from the exterior of the free edge wall of a vehicle door;
  • FIG. 2 is an elevation, in part sectional, looking at the latch mechanism from the rear side thereof as viewed in FIG. 1;
  • I I p I FIG; 3 is a sectional view taken on the line 3-3 of FIG. 1, the keeper device having been added thereto;
  • FIG. 4 is a view in part similar to FIG. 2 illustrating parts of the latch mechanism in a different operative position
  • FIG. 5 is a view in part similar to FIG. 3 illustrating parts of the latch mechanism in a dii Schlt operative position
  • FIG. 6 is a sectional view taken on the line 6-6 of FIG. 2;
  • FIG. 7 is a sectional view taken on the line 77 of FIG. 3;
  • FIG. 8 is a view in part similar to FIG. 4 illustrating a second embodiment of the present invention.
  • FIG. 9 is a view in part sectional taken on the line 9-5? of FIG. 8.
  • the first embodiment of the present invention is shown in FIGS. 1 to 7, inclusive.
  • the latch mechanism therein illustrated, generally designated 11, comprises a case plate 22 having a flange 13.
  • the case plate 12 is adapted to be secured, as by means of screws, to the inner side of the free edge wall of a vehicle door with the flange 13 positioned along the inner panel of the door.
  • the case plate 12 has mounted thereon a latch or bolt device, generally designated 14.
  • the latch device 14 comprises a circular disk 15 having a short shaft 16 extending rearwardly therefrom.
  • the shaft 16 is rotatably journalled in a bearing, a flanged aperture 17, formed in the case plate 52.
  • the portion 13 of the shaft 16 extending beyond the bearing 17 is provided with flats 19 thereon.
  • the end portion 18 is fitted into a complementarily shaped aperture of a control member 21, to be more fully described.
  • the end portion 13 is of sufiicient length to provide sutlicient stock to be riveted or staked over to permanently couple the control member 21 through the shaft 16 to the disk 15 for movement therewith.
  • Mounted on the front face of the disk 15 is the latch element 22 of the latch device 14.
  • the latch element comprises a member having its outer contour 23 complementary to the periphery of the disk 15.
  • the latch element 22 extends from the vertical centerline of the disk 15 to a point past the horizontal centerline.
  • the main body portion 24 of the latch element 22 is substantially oval in shape.
  • the main body portion terminates in an inwardly curved hook-like portion 25.
  • the hook-like portion is spaced outwardly of the disk 15, i.e., there is a substantial space heme/en the disk surface 26 and the inner face 27 of the hook-like portion.
  • the horizontal centerline of the disk 15 substantially bisects or straddles the concave surface 28 of the hook-like portion.
  • the surface 23 may hereinafter be referred to as the keeper engaging face of the latch element 22, as will be more fully exlained.
  • the latch element 22 is in the position it occupies when in latched engagement with a keeper or when in keeper disengaged position when the vehicle door is open. It is normally maintained in this position through the control member 21, see FIG. 2.
  • the control member 21 has a horizontally extending arm 29 which is engaged by the upper end 31 of a compression spring 32.
  • the lower end 33 of the compression spring 32 reacts against a shelf 34 turned inwardly from the case plate 12.
  • a guide member 35 prevents lateral displacement of the spring 32 when placed under compression.
  • the guide member 35 is an elongated bar which is bifurcated at its upper end 36 to straddle the arm 29 of the control member 21.
  • the lower end 37 of the guide member slidably projects through an aperture in the shelf 34.
  • the compression spring 32 normally urges the control member 21 in a counterclockwise direction as viewed in FIG. 2 so that the arm 29 abuts a stop 38 on the edge of the case plate 12. This results in the latch element 22 normally being held in the position shown in FIG. 1. For the latch element 22 to be shifted to an unlatched position, it must be bodily shifted in a counterclockwise direction, as viewed in FIG. 1, about the center of rotation of the disk 15. This is accomplished through a system of levers and links.
  • control member 21 has an arm 39 extending oppositely to the 'arm 29.
  • This arm 39 has an offset end portion 40 adapted to be engaged by the hook-like end proportion 41 of a substantially vertically extending link 42.
  • the link 42 is pivotally suspended from the end 43 of an arm 44 of a bell crank lever 45.
  • the bell crank lever 45 is pivotally mounted on the case plate 12 by a pivot stud 46.
  • the bell crank 45 has a depending arm 47 having a flange 48 thereon engageable by the stem 49 of a pushbutton or the like operable from the outside of the vehicle door.
  • the :latch mechanism is adapted to be actuated from the inside of the vehicle door through a bell crank lever 51 pivotally mounted on the case plate flange 13 near the upper end of the latter on a pivot stud 52.
  • the bell crank lever 51 has an upstanding arm 53 adapted to be coupled by a draft link 54 to a conventional remote control mechanism (not shown) mounted on the inner door panel.
  • the bell crank lever 51 has a substantially horizon'tally extending arm 55 extending toward the case plate 12 and underlying an extension 56 of the arm 44 of the bell crank lever 45.
  • Displacement of the link 42 from its FIG. 2 to its FIG. 4 position is accomplished through selective positioning of a lever or swinging arm 57 pivotally mounted at 53 on the case plate flange 13.
  • the arm 57 is swingable in an are between spaced stops 59 and 61 on the flange 13.
  • the arm 57 is provided at its free end with a protuberance 62 extending toward the flange 13 thereby maintaining the arm spaced outwardly therefrom.
  • the arm 57 is in an inoperative position. But when swung downwardly in a clockwise direction from its FIG. 2 to its FIG 4 position, the free end of the arm 57 cams itself between the flange 13 vand a shoulder or step on the link 42. This forces and holds the link 42 in a position in which its hook 41 is inetiective to engage the end portion 40 of the control member 21.
  • the link 42 is normally urged toward the flange 13 by a hinge spring 64 carried on the pivot stud 65 coupling the link to the arm 44 of the bell crank lever 45.
  • One end 66 of the hinge spring 64 is hooked over the link 42 and the other end 67 abuts a lug 68 on the arm 44.
  • the spring 64 is placed under increased tension by the interposition of the arm 57 between the link- 42 and the flange 13.
  • the locking arm 57 is shittable from the inside or the outside of the vehicle door through a vertically extending 69.
  • the link 69 is pivotally coupled to the arm 57 by a pivot stud 7 1, the pivotal coupling being contiguous to the upper end or" the link 69.
  • the link 69 is connected by a rod 72 to a push-pull button (not shown) accessible at the garnish molding of the vehicle door, as is known to the art.
  • the link 69 is pivotally coupled at 73 to a crank arm 74 having an aperture therein to receive the shaft (not shown) of a conventional key cylinder mechanism (not shown). This is also well known in the prior art and further discussion is deemed unnecessary.
  • the key cylinder mechanism is, of course, accessible from the outside of the vehicle door. J
  • the link 69 is held in its upper and lower positions of movement by a toggle spring 75.
  • the link 69 has a laterally extending arm 76, which, as best seen in FIG. 5 overlies the end 40 of the control member arrn 39.
  • the latch element 22 will merely ride over the keeper causing the control member arm 39 to be kicked up.
  • the end 40 of the arm 39 will abut the link arm 76 causing the link 69 to be kicked up and restored to its FIG. 3 position. 7
  • the latch mechanism parts when in the position shown in FIGS. 2 and 3, are considered in latch mechanism unlocked condition. That is, movement of either the inside or outside operator results in unlatching movement of the latch device 14.
  • the latch mechanism parts are considered in latch locked condition.
  • the inside and outside operators are fully responsive to actuating movement and the link 42 is also fully responsive to actuation movement, the link 47 merely bypasses the control member 21 without mov ing the latch device to unlatched position.
  • This latched mechanism locked condition may also be referred to as the free wheeling condition of the mechanism.
  • the latch mechanism of the embodiment of FIGS. 9 and 9 differs from that of the previously described embodiment primarily in the elimination of the link 69. Iii this embodiment the rod 72 leading to the push-pull button at the garnish molding is directly coupled to the lever arm 57. No provision is made for locking the door from the outside and no provision is made for restoration of the latch mechanism to unlocked condition should it be placed in locked condition with the door open. That is, the link 6% and the key cylinder mechanism crank 74 are eliminated.
  • the keeper device 77 comprises a substantially square plate 78 having secured to its lower portion a rack 79.
  • the rack '79 has two upwardly projecting teeth 8% and 81.
  • the teeth 89 and 81 are not true gear teeth but have a special form. They appear to be tilted toward the left, as viewed in FIG. 7, and are provided with a curved surface 82 and an overhanging latch bolt engaging portion 83, for reasons to be more fully explained.
  • the side 84 of the keeper is the outer side or the side first approached by the latch element 22.
  • the rack 79 is undercut at its inner lower corner to provide a recess 85 to receive a slidable wedge block 86.
  • the Wedge block 86 is guided on a guide rod 87 and is urged by spring 88 in an outward direction.
  • the wedge block 86 is adapted to engage the flange 89 of a channelshaped member 1 which is indirectly carried on the outer face of the case plate 12, see FIG. 1.
  • the channel-shaped member 91 is said to be indirectly carried on the case plate 12 of the latch mechanism because in installed position the free edge wall or jamb 92 of the door is interposed between the two (see FIG. 3).
  • the latch mechanism is mounted on the inner face of the wall 92 with its latch element projecting through a suitable aperture in the latter.
  • the channel-shaped mem- H ber 91 is then placed against the outer face of the wall 91 and is then bolted by the bolts 93 to the case plate 12.
  • the upper flange Wt of the channel-shaped member 91 is provided with a depending lip or flange 95 adapted to project into a stepped down corner 96 of a block 97 carried on the upper portion of the plate 77. This functions to prevent lateral separation of the door wall 92 from the adjacent face of the body pillar indicated at 98 in FIG. 3.
  • the front face of the rack is covered by a plate 99 which similarly is effective to prevent lateral disengagement of the striker engaging portion 25 from either rack tooth 80 or 81 with which it might be engaged.
  • the leading edge 25:: of the keeper engaging portion 25 of the latch element 22 engages the curved surface 82 of the outer tooth 84 of the rack '79.
  • the latch element is forced upwardly, i.e., in a counterclockwise direction as viewed in FIG. 1 or a clockwise direction as viewed in FIG. 7. It swings bodily about the spaced pivot axis defined by the center of rotation of the disk 15. As it passes the tooth 89, it drops into the recess between the rack teeth 80 and 81, being urged in this direction by the spring 32 acting against the control mem ber 21.
  • the latch element 22 will be carried over the tooth 81, reaching the FIG. 7 position. This is the fully or primary latched position.
  • the center of the disk 15, the pivot axis about which the latch element 22 bodily shifts lies substantially on a line or in a plane tangential to the upper surfaces of the teeth 86 and 81.
  • the keeper engaging portion 25 of the latch element 22 straddles the line or plane. Because of the overhanging contour of the teeth 80 and 81 and the concave surface 28 of the keeper engaging surface, any force exerted on the door forcing it outwardly would tend to pull the latch element 22 more securely in latching direction. Yet, because of the leverage available in the latch mechanism, the latch element 22 is readily releasable from the keeper device to permit unlatching movement of the door.
  • a latch mechanism mounted on the vertical free edge wall of a swinging door, said latch mechanism comprising a latch member, pivot means pivot-ally mounting said lat-ch member for bodily shiftable movement form a door latched to a door unlatched position about a fixed pivot axis spaced from said latch member, said latch member being immovable relative to said pivot means, said latch member having a keeper engaging portion having a latching face and a carnming face angularly inclined to said latching face, and means acting through said pivot means yieldably urging said latch member toward latched position, said last-mentioned means comprising a control mem er fixedly coupled to said latch member through said pivot means, and resilient means coupled to said control member; and a keeper device mounted on a vertical face of a body pillar to which said free edge wall is latchable, said keeper device comprising a member having aligned toothlike projections thereon defining secondary latched and primary latched positions; said latch member camming face being
  • a support having a main plate portion for disposition at the free edge wall of the door, a latch member, pivoted means mounting said latch member on said plate portion adjacent one face thereof for bodily shiftable movement from latched to unlatched position, said latch member being mounted on said pivot means in spaced inelation to the pivot axis thereof, said pivot axis being fixed relative to said main plate portion, said latch member having a keeper engaging portion which in latched :position straddles a plane passing through said pivot axis, said plane being substantially normal to said hinge axis, a control member positioned adjacent the other face of said plate portion and coupled to said pivoted means in coincident relationship thereto and for movement therewith about said pivot axis, outer manually operable means mounted on said plate portion for pivotally actuating said control member to turn said pivoted means and thereby bodily shift said latch member about said pivot axis from latched to unlatched position, said outer manually operable means mounted on said plate portion for pivotally actuating said control member to turn said pi
  • a support having a main plate portion for disposition at the free edge wall of the door, a latch member, pivoted means mounting said latch member on said plate portion adjacent one face thereof for bodily shiftable movement from latched to unlatch-ed position, said latch member being mounted on said pivot means in spaced relation to the pivot axis thereof, said pivot axis being fixed relative to said mam plate portion, said latch member having a keeper engaging portion which in latched position straddles a plane :passing through said pivot axis, SEIld plane being substantially normal to said hinge axis, a control member positioned adjacent the other face of said plate portion and coupled to said pivoted means in coincident relationship thereto for movement therewith about said pivot axis, spring means urging said control member and thereby through said pivot means said latch device in latched direction, outer manually operable means mounted on said plate portion for pivotally actuating said control member to turn said pivoted means
US145150A 1961-10-16 1961-10-16 Door lock Expired - Lifetime US3173715A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US145150A US3173715A (en) 1961-10-16 1961-10-16 Door lock
DER33593A DE1264990B (de) 1961-10-16 1962-09-29 Tuerverschluss, insbesondere fuer Kraftwagen
DER47298A DE1297511B (de) 1961-10-16 1962-09-29 Freilaufkupplungseinrichtung in einem Tuerverschluss
GB38323/62A GB994815A (en) 1961-10-16 1962-10-10 Door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US145150A US3173715A (en) 1961-10-16 1961-10-16 Door lock

Publications (1)

Publication Number Publication Date
US3173715A true US3173715A (en) 1965-03-16

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Application Number Title Priority Date Filing Date
US145150A Expired - Lifetime US3173715A (en) 1961-10-16 1961-10-16 Door lock

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DE (2) DE1297511B (de)
GB (1) GB994815A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257138A (en) * 1965-03-22 1966-06-21 Russell Spindle rotating means
US3328062A (en) * 1965-07-26 1967-06-27 Hobart Mfg Co Latch mechanism
US3381993A (en) * 1967-03-24 1968-05-07 Gen Motors Corp Closure latch
US4033616A (en) * 1972-08-28 1977-07-05 Keystone Industries, Inc. Automotive vehicle door retarding and closing mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703581B1 (de) * 1968-06-12 1972-02-03 Sievers Fa Carl Kraftfahrzeug-Tuer-Verschluss,insbesondere fuer Omnibustueren

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2143965A (en) * 1937-08-21 1939-01-17 Harold E Van Voorhees Automobile door latch mechanism
US2904365A (en) * 1957-12-23 1959-09-15 Gen Motors Corp Vehicle door latch
US2940789A (en) * 1954-12-07 1960-06-14 Humber Ltd Door latch
FR1245157A (fr) * 1958-12-29 1960-11-04 Perfectionnements aux serrures, particulièrement pour véhicules
US3002778A (en) * 1958-10-22 1961-10-03 Wilmot Breeden Ltd Releasable fastening devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065750B (de) * 1959-09-17
DE1089665B (de) * 1954-12-07 1960-09-22 Humber Ltd Schloss fuer Tueren, insbesondere von Kraftfahrzeugen
DE1113651B (de) * 1956-06-22 1961-09-07 Wilmot Breeden Ltd Tuerschloss
GB871895A (en) * 1958-10-22 1961-07-05 Wilmot Breeden Ltd Improvements in or relating to releasable fastening devices
GB874997A (en) * 1959-01-08 1961-08-16 Wilmot Breeden Ltd Improvements in or relating to releasable fastening devices
FR1269913A (fr) * 1960-09-12 1961-08-18 Wilmot Breeden Ltd Dispositif de fermeture à éléments séparables

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2143965A (en) * 1937-08-21 1939-01-17 Harold E Van Voorhees Automobile door latch mechanism
US2940789A (en) * 1954-12-07 1960-06-14 Humber Ltd Door latch
US2904365A (en) * 1957-12-23 1959-09-15 Gen Motors Corp Vehicle door latch
US3002778A (en) * 1958-10-22 1961-10-03 Wilmot Breeden Ltd Releasable fastening devices
FR1245157A (fr) * 1958-12-29 1960-11-04 Perfectionnements aux serrures, particulièrement pour véhicules

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257138A (en) * 1965-03-22 1966-06-21 Russell Spindle rotating means
US3328062A (en) * 1965-07-26 1967-06-27 Hobart Mfg Co Latch mechanism
US3381993A (en) * 1967-03-24 1968-05-07 Gen Motors Corp Closure latch
US4033616A (en) * 1972-08-28 1977-07-05 Keystone Industries, Inc. Automotive vehicle door retarding and closing mechanism

Also Published As

Publication number Publication date
DE1297511B (de) 1969-06-12
GB994815A (en) 1965-06-10
DE1264990B (de) 1968-03-28

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