US3510162A - Self-adjusting lock - Google Patents

Self-adjusting lock Download PDF

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Publication number
US3510162A
US3510162A US690605A US3510162DA US3510162A US 3510162 A US3510162 A US 3510162A US 690605 A US690605 A US 690605A US 3510162D A US3510162D A US 3510162DA US 3510162 A US3510162 A US 3510162A
Authority
US
United States
Prior art keywords
door
actuating member
truck
keeper
latch bolt
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
US690605A
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English (en)
Inventor
Vernon O Smith
John W Binns
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.)
Overhead Door Corp
Original Assignee
Overhead Door Corp
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24773150&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US3510162(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Overhead Door Corp filed Critical Overhead Door Corp
Application granted granted Critical
Publication of US3510162A publication Critical patent/US3510162A/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
    • E05B65/00—Locks or fastenings for special use
    • E05B65/08—Locks or fastenings for special use for sliding wings
    • E05B65/0811—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings
    • 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
    • Y10T292/0945—Operating means
    • Y10T292/0949—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
    • Y10T292/0911—Hooked end
    • Y10T292/0945—Operating means
    • Y10T292/0951—Rigid
    • Y10T292/0954—Padlock or seal catch
    • 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
    • Y10T292/0945—Operating means
    • Y10T292/0951—Rigid
    • Y10T292/0959—Swinging catch
    • 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
    • Y10T292/1039—Swinging and camming
    • Y10T292/1041—Rigid operating means

Definitions

  • a lock structure for an upwardly acting door of a truck van wherein a latch bolt and a manually engageable actuating member are pivotally mounted upon the door Ifor movement around an axis substantially perpendicular to the plane of the door when it is in the closed position.
  • the latch bolt has an elongated, arcuate hook portion adapted to extend below the lower edge of the door for engagement with a roller mounted in the truck bed.
  • First resilient means urges the latch bolt to move with respect to the actuating member into the locking position, and second resilient means urges the actuating member away from a selected position holding the latch bolt in the locking position.
  • Keeper means releasably holds the actuating member in said selected position.
  • This invention relates in general to a lock structure for an upwardly acting truck door and, more specifically, to a type thereof which is capable of automatic, self adjustment to compensate for looseness in the door incident to wear or the tolerances of a conventional installation and which is incapable of accidental opening.
  • Persons familiar with the manufacture and maintenance of upwardly acting doors for truck vans, for example, have long been aware that the lock structures in such doors are subject to unusually rough treatment, even under substantially normal operating conditions. That is, truck doors and their lock structures are constantly exposed to the weather, they are often ybattered and strained by the loads carried in the truck van and they are frequently subjected to excessive forces when the truck (or other vehicle) upon which they are mounted moves over uneven terrain.
  • any looseness in the latching mechanism of the lock which may be produced by normal wear, by improper initial installation or by lack of adjustment, is quickly magnified and accelerated into excessive and abnormal wear or even complete failure.
  • the looseness occurs between the latch bolt on the door and the catch in the truck bed, the result is a dancing door which is not only noisy and unsightly, but also aggravates the wear problem and usually accelerates lock failure.
  • the door will tend to vibrate even when the vehicle is moved along substantially level terrain.
  • latch mechanism in ⁇ my aforesaid application does greatly reduce the aggravated wear encountered by other types of latch mechanisms, where some looseness exists in the door, said latch mechanism does not eliminate the door movement. In fact, it is expressly designed so that the door can move somewhat. However, such movement is resisted and excessive wear ice or damage to the latch mechanism is avoided by resiliently flexible means associated with the catch.
  • the next best solution is to provide a latch mechanism which automatically adjusts itself to absorb or counteract any looseness which exists or subsequently develops in the door latch, as the result of movement of the vehicle or the door, while the door is in the latched position.
  • a primary object of this invention is the provision of an improved lock structure for an upwardly acting truck door wherein the latch mechanism of the lock structure is adapted to adjust automatically for, and thereby eliminate, looseness between the door and the truck bed resulting from normal Wear, minor inaccuracies of installation, acceptable tolerances in parts and the relative movements of the various parts olf a truck van associated with the door during normal operation of the truck, rwhereby the useful life of the lock structure and/or the door is extended.
  • a further object of this invention is the provision of a lock structure, as aforesaid, in which the one-piece latch bolt has an elongated hook portion with a cammed surface which slideably engages the catch means in the truck bed by a relatively gradual wedging action, and in which the hook portion is continuously and resiliently urged toward the locking position with said catch means when the lock mechanism is in its latched position.
  • a further object of the invention is the provision of a lock structure, as aforesaid, wherein the catch means includes antifriction means engageable with the hook portion of the latch bolt to minimize frictional losses in eecting engagement and disengagement between the latch bolt and the catch means.
  • a further object of this invention is the provision of a lock. structure, as aforesaid, which can be readily installed by a person capable of installing existing lock structures for the same or similar purposes, which can be easily operated by any person capable of operating the truck upon which the lock structure is installed and which requires a minimum of adjustment when the lock structure is installed or during its subsequent use in order to overcome normal looseness which normally develops in upwardly acting truck doors.
  • FIG. l is a broken, fragmentary rear elevational view of a truck door and an adjacent portion of a truck bed including the lock structure embodying the invention.
  • FIG. ⁇ 2 is a sectional view taken along the line II-II in FIG. l.
  • FIG. 3 is a sectional view taken along the line III- III in FIG. 2.
  • FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1.
  • FIG. 5 is a sectional view taken along the line V- in FIG. 1.
  • FIG. 6 is a sectional view taken along the line VI-VI in FIG. 5.
  • FIG. 7 is a sectional view substantially as taken along the line VII-VII in FIG. 1.
  • FIG. 8 is a sectional view taken along the line VIII- VIII in FIG. 2.
  • FIG. 9 is a rear elevational view of said truck door showing the lock structure in its unlatched position.
  • FIG. 1() is a sectional view taken along the line X-X in FIG. 9.
  • a lock structure comprising an antifriction catch means mounted in the bed of a truck or similar vehicle and a latch mechanism mounted upon an upwardly acting door of the truck van and having a latch bolt including an elongated hook portion with a cammed inner surface engageable with the catch.
  • the latch bolt is pivotally mounted upon the door and resiliently urged into the locking position by an actuating member which is held in the locked position by primary and secondary keepers. Resiliently exifble means connected between the actuating member and the door urges the actuating member, hence the latch bolt, away from the locking position.
  • the lock structure of the invention is cornprised of a latch assembly 11, which is mounted upon the lower end of an upwardly acting door 12, for engagement with a catch assembly 13 which is mounted in the bed 14 of an otherwise substantially conventional truck van, of which the door 12 is a part.
  • the door 12 is comprised of a plurality of horizontally hinged sections 16 which are disposed in a substantially vertical plane when the door is closed and in a substantially horizontal plane near the roof of the van when the door is open.
  • a resiliently flexible weather seal (FIG. 2) is mounted upon the lower edge of the door 12 and is engageable with the bed 14 in a conventional manner and for conventional purposes.
  • the catch assembly 13 (FIGS. 1, 2 ⁇ and 3) is comprised of an elongated, substantially rectangular casing 17 which is preferably fabricated from sheet steel to form a top plate 18, a pair of sidewalls 19 and 21 and a pair of end walls, such as wall 22.
  • the sidewalls 19 and 21 and the end walls 22 define a catch chamber 23 having an upwardly facing opening 24.
  • the opening 24 provides an access for the latch bolt 47 and the chamber 23 opens downwardly for drainage.
  • the top plate 18 (FIG. 2) preferably extends beyond both end walls 22 and the rear sidewall 21 for engagement with the upper surface 26 of the bed 14 when the casing 17 is located within the opening 27 in the bed 14.
  • the top plate 18 may be secured to the bed 4 by Welding, by screws or any other convenient, conventional means.
  • the catch assembly 13 includes a sleeve 28 which is rotatably supported on a catch pin 29, which is secured to and extends between the sidewalls 19 and 21 of the casing 17 about midway between the end walls 22.
  • the latch assembly 11 (FIG. 1) has a mounting plate 31 which is secured to the rear surface of the door 12 adjacent the lower edge thereof by means of rivets 32.
  • Axle has a threaded portion 40 of reduced diameter which extends through an opening in the mounting plate 31 and which engaged by a nut 41 which secures said axle 42 to plate 31.
  • An actuating member or latch support member 33 (FIGS. l, 2 and 3) which is rotatably supported on axle 35, is compn'sed of an elongated housing 34 having a front wall 36 and a partial rear wall 37 interconnected by a peripheral wall 38 having a substantial opening 39 (FIG. 8) along the lower side thereof.
  • the front wall 36 (FIG. 2) of housing 34 has an integral hub 42 through which the axle 35 extends to pivotally support the actuating member 33.
  • the wall 37 of the housing 34 also has an opening 45 through which an axle 35 is rotatably received.
  • the actuating member 33 (FIG. 1) has an integral arm or handle 43 which projects from the housing 34 lengthwise thereof and substantially radially of the axle 35.
  • a pin 44 (FIGS. 3, 5 and 6) extends rearwardly from the mounting plate 31 and is secured thereto, as by Welding.
  • the arm 43 has a stop ange 46 (FIG. 3) which engages pin 44 and thereby limits the counterclockwise (FIG. 3) or latching movement of the handle 43.
  • the latch bolt 47 (FIG. 3) has a shank 48, which is rotatably supported at its upper end upon the axle 35, and an elongated, arcuate hook 49 integral with the lower end of the shank 48 and having a slightly cammed inner surface 51.
  • the portion of Surface 51 adjacent shank 48 is nearer to axle 35 than is the portion of surface 51 adjacent the free end of the hook 49.
  • the spiral spring 52 is held ⁇ between the front wall 36 and a retainer 53.
  • One end of the spirial spring 52 bears against the shank 4S of latch bolt 47 and the other end thereof bears against the peripheral wall 38 of housing 34, whereby the tension of said spring urges the latch bolt 47 (FIG. 8) in a counterclockwise or latching direction, such urging being limited by the engagement of the shank 48 with the edge of the periperal wall 38 defining the edge 54 of the opening 39.
  • a coil spring 56 (FIGS. 2 and 3), which encircles the axle 35, has a hook 57 at its outer end, which is engaged with the front wall 36 of the housing 34, and a hook 58 on its inner end which is received through a slot 59 in the mounting plate 31.
  • the coil spring 56 is under tension whereby it urges the actuating member 33 in a clockwise or unlatching direction, as appearing in FIG. 3, toward a position in which the peripheral wall 38 engages a pin 62 (FIG. 9) which extends from wall 31.
  • the peripheral wall 38 may extend forwardly, as shown in FIG. 2, somewhat beyond the front wall 36 of the housing 34 to provide a weather shield for the coil spring 56.
  • the primary keeper or pawl 63 (FIGS. 3, 5 and 6) is pivotally mounted upon a pivot pin 64 which is rigidly secured to the handle 43 near the housing 34.
  • the primary keeper 63 has a cam surface 67 and a locking surface 68 substantially transverse of the surface 67.
  • a spiral spring 69 which encircles the pivot pin 64, has a hook 71 which is engaged with an edge of the rearwardly extending flange 72 on arm 43.
  • the other end 74 of Coil spring 69 is engaged with flange '73, which extends along and defines part of the cam surface 67 of primary keeper 63.
  • the spiral spring 69 is under constant tension urging the surface 67 of primary keeper 63 toward contact with the peripheral wall 38 of housing 34.
  • the thumbgrip 66 (FIG. 6) is integral with and projects upwardly from the primary keeper 63 for manually moving same against the contrary urging of the spring 69 and away from contact with the peripheral Wall 38, after which the actuating member 33 can be rotated in a clockwise direction (FIG. 3), thereby disengaging latch bolt 47 from the catch assembly 13.
  • the carn surface 67 is so positioned that clockwise movement of the actuating member 33 from its FIG. 9 position to its FIG. 6 position will automatically cause said surface 67 to engage pin 44 and rotate primary keeper 63 in a clockwise direction until the surface 68 can slide under the pin 44.
  • the spiral spring 69 holds the pin 44 locked between the surface 68 of keeper 63 and the stop flange 46.
  • the secondary keeper or pawl '79 (FIGS. l and 4) is substantially flat and has an integral hub 81 near one edge thereof which is sleeved upon the pivot pin 82.
  • the pivot pin 82 is rigidly secured to a' support plate 83 which iS riveted to the door 12 so that the pivot pin 82 is preferably (but not necessarily) located at a point from the axle 35 slightly greater than the distance between said axle and the outer end of the arm 43.
  • the arm 43 has a downward and frontward projection 84 which is located at the outer end of the arm 43 and is adjacent the lug 86 on the keeper 79 when said keeper is suspended freely from the pivot pin 82.
  • the projection 84 has an opening 87 (FIG. 4) which is aligned with an opening 88 in lug 86 when the latch assembly 11 is in its latched position of FIG. 1.
  • the keeper 79 has an arcuate edge 91 (FIG. 3) which extends over and is engageable by the upper edge 92 of the projection 84 when the keeper 79 is in its normal depending position. Accordingly, if the primary keeper 63 should be accidentally disengaged from the pin 64, due to irregular movements of the truck, for example, the arcuate edge 91 in the path of the projection 84 will positively prevent the actuating member 33 from rotating in a clockwise direction under the urging of the coil spring 56.
  • An integral flange 93 (FIG. 7) is provided on the support plate 83 rightwardly of the pivot pin 82 for engagement by the lug 86 for retaining the keeper '79 in an inoperative position with respect to the movement of the actuating member 33 and its arm 43.
  • the keeper 79 is moved into the inoperative position by rotating the actuating member 33 into its unlocked position shown in FIG. 9, after which the lug 86 is manually grasped and the keeper 79 is rotated in a clockwise direction until lug 86 engages and rests upon the upper surface of the flange 93.
  • the length and radius of the arcuate edge 91 are preferably selected so that the edge 91 cannot be moved away from a position obstructing the upward movement of the projection 84 when a conventional sealing band 94 is threaded through the aligned openings 87 and 88 in projection 84 and lug 86.
  • the mounting plate 31 has an integral, rigid and substantially horizontal stop or tab 96 which extends rearwardly from the door 12 beneath and adjacent the rightward end of the housing 34 when the latch assembly 11 is in its latched position.
  • the housing 34 has an integral, downwardly projecting pin 97 which extends through a central opening 98 in stop 96, whereby both lateral and downward movement of the latch assembly 11 is positively limited when said latch assembly is in its latched position.
  • the handle 43 (FIG. 9) is roated in a clockwise direction until the hook 49 of the latch bolt 47 engages the sleeve 28 in the catch assembly 13. Since the upper surface 51 of hook 49 is cammed, the outer end thereof passes easily beneath the rotatable sleeve 28 until the surface 51 ⁇ firmly engages said sleeve 28.
  • the latch assembly 11 and catch assembly 13 are preferably installed on the truck so that the sleeve 28 is snugly engaged by the midportion of the cammed surface 51 when the housing 34 is closely adjacent the stop 96, as shown in FIG. 1.
  • the pin 97 which is preferably slightly arcuate around the axis of axle 35, is received through the opening 98 in stop 96.
  • the secondary keeper 79l (FIG. 1) is roated in a counterclockwise direction and the primary keeper 63 is pivoted in a clockwise direction whereby the handle 43 is urged upwardly and pivoted around the axle 3S by the springs 52 and 56 (FIG. 3).
  • the actuating member 33 causes the hook 49 of latch bolt y47 to move from beneath the sleeve 28.
  • the unlatching rotation of member 33 ultimately is limited (FIG. 9) by the engagement of wall 3S with pin 62 when the member 33 ⁇ reaches a substantially horizontal position where it will not interfere with opening or closing movement of the door.
  • a door lock structure comprising:
  • an actuating member pivotally mounted upon the door near the lower edge thereof for movement around a rst axis parallel with said bed when said lower edge is adjacent thereto;
  • a latch bolt pivotally supported upon said door for movement around said axis and with respect to said actuating member, said latch bolt having elongated arcuate hook means adapted to extend below said lower edge of said door, the radially inner surface of said hook means near the free end thereof being spaced radially from said axis a distance slightly greater than the opposite end of said surface;
  • roller means mounted to said bed for movement around a second axis substantially parallel with and below said first axis for engagement by said surface of said hook means, whereby the lower edge of said door is held closely adjacent said bed;
  • keeper means having parts thereof mounted upon said door and said actuating member adapted to hold said actuating member in a selected position with respect to said door, wherein said hook means is held in a position beneath said roller means when said edge of said door is closely adjacent said bed;
  • said actuating member has an elongated, manually engageable arm extending substantially radially away ⁇ from said rst axis, said arm having an abutment projecting therefrom toward said door;
  • said keeper means comprises said abutment and a pawl pivotally mounted upon said door for engagement by said abutment when said actuating member is in said selected position for positively and releasably preventing movement of said actuating member out of said selected position under the urg ing of said second resiliently ilexible means.
  • second keeper 4means having a second pawl pivotally mounted upon said actuating member between said first axis and said abutment, and pin means secured to said door and engageable by said second pawl means for releasably and positively holding said actuating member in said selected position.
  • said actuating member has flange means extending toward said door and engageable by said latch bolt as said actuating member is moved away from said selected position under the urging of said second resiliently flexible means, and said latch -bolt being yieldably held against said ange means by said first resiliently flexible means, said flange means being engaged with said latch bolt substantially before said actuating member is moved into a second position wherein said hook means lis out of a position beneath said roller means.
  • roller means comprises a catch pin rigidly secured to said bed -below said upper surface thereof and sleeve means rotatably mounted upon said catch pin, said inner surface of said hook means defining part of an involute curve.
  • a structure according to claim 1 including a resiliently exible sealing element secured along the said lower edge of said door, said sealing element being resiliently compressible against said bed, whereby relative movement between said door and said bed will tend to compress said sealing element and subsequently move said inner surface of said hook means in a latching direction along said roller means.
  • a lock structure according to claim 1 including stop means on said door adjacent a lower edge of said actuating member when said member is in said selected position, said stop means having a vertical opening;
  • a lock structure wherein the side of said latch bolt engaged by said flange means extends substantially radially Ifrom said rst axis, whereby the direction of movement of said flange means at the moment of impact with said side of said latch bolt isv parallel with the tangent to said inner surface of said hook means at the point thereon in engagement with said roller means.
  • a door lock struct-ure comprising:
  • an actuating member pivotally mounted on the door near the lower edge thereof for movement about a rst axis parallel with said bed when said lower edge is adjacent thereto;
  • a latch bolt pivotally supported upon said door for movement about said axis and with respect to said actuating member, said latch bolt having elongated arcuate hook means adapted -to extend below said lower edge of said door, the radially inner surface of said hook means near the free end thereof being spaced radiallyl from said axis a distance slightly greater than the opposite end of said surface;
  • catch means mounted to said bed and having an edge located at a position below said first axis for engagement by said radially inner surface of said hook means, whereby the lower edge of said door is held closely adjacent said bed;
  • keeper means having parts thereof mounted upon said door and said actuating member adapted to hold said actuating member in a selected position with respect to said door, wherein said hook means is held in a position beneath said catch means when said edge of said door is closely adjacent said bend;
  • said urging means includes spring means coacting between said latch bolt and -said actuating member for relatively urging said latch bolt and said actuating member in opposite rotational directions, said spring means having one end operably connected to said latch bolt for urging the opposite end of said inner surface of said hook means is positioned beneath said catch means, for maintaining same in contact with said surface when said hook means is positioned beneath sad catch means, the other end of said spring means being operably connected to said actuating member for urging same in an opposite rotational direction away from said selected position, whereby said actuating member is resiliently urged away from said selected position to yassist in unlatching said door when said keeper means is released.

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US690605A 1967-12-14 1967-12-14 Self-adjusting lock Expired - Lifetime US3510162A (en)

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Application Number Priority Date Filing Date Title
US69060567A 1967-12-14 1967-12-14

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US3510162A true US3510162A (en) 1970-05-05

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Application Number Title Priority Date Filing Date
US690605A Expired - Lifetime US3510162A (en) 1967-12-14 1967-12-14 Self-adjusting lock

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US (1) US3510162A (enrdf_load_stackoverflow)
GB (1) GB1233385A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099754A (en) * 1977-07-08 1978-07-11 Hoebing Robert J Door security guard
US4796445A (en) * 1986-12-15 1989-01-10 Norden Jr Howard P Door locking mechanism
US4844518A (en) * 1987-08-27 1989-07-04 Environmental Container Systems, Inc. Roto cam latch
GB2212849A (en) * 1987-11-25 1989-08-02 Goodwin W J & Son Ltd Locking assembly hookbolts
US4948181A (en) * 1987-08-27 1990-08-14 Environmental Container Systems, Inc. Roto cam latch
WO1992003658A1 (en) * 1990-08-23 1992-03-05 Baxter International Inc. Misloaded iv tube detector for an iv pump
US5120096A (en) * 1990-08-23 1992-06-09 Baxter International Inc. Misloaded IV tube detector for an IV pump
GB2253435A (en) * 1991-03-02 1992-09-09 Ford Motor Co Latch module for a vehicle door
US6099054A (en) * 1998-10-28 2000-08-08 Custom Metalcraft, Inc. Latch dog assembly
US20040140676A1 (en) * 2003-01-21 2004-07-22 Fleet Engineers Incorporated Door latch assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US820868A (en) * 1905-12-16 1906-05-15 William Hinchliffe Sash-lock.
US954915A (en) * 1909-03-18 1910-04-12 Henry A Bennett Sash-lock.
US1320175A (en) * 1919-10-28 John reid
US2422723A (en) * 1946-01-29 1947-06-24 Albert T Fisher Closure fastener
US2741505A (en) * 1954-06-07 1956-04-10 Gen Motors Corp Door fastener
US3347580A (en) * 1965-10-21 1967-10-17 Whiting Mfg Inc T Latch for securing a truck door

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1320175A (en) * 1919-10-28 John reid
US820868A (en) * 1905-12-16 1906-05-15 William Hinchliffe Sash-lock.
US954915A (en) * 1909-03-18 1910-04-12 Henry A Bennett Sash-lock.
US2422723A (en) * 1946-01-29 1947-06-24 Albert T Fisher Closure fastener
US2741505A (en) * 1954-06-07 1956-04-10 Gen Motors Corp Door fastener
US3347580A (en) * 1965-10-21 1967-10-17 Whiting Mfg Inc T Latch for securing a truck door

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099754A (en) * 1977-07-08 1978-07-11 Hoebing Robert J Door security guard
US4796445A (en) * 1986-12-15 1989-01-10 Norden Jr Howard P Door locking mechanism
US4844518A (en) * 1987-08-27 1989-07-04 Environmental Container Systems, Inc. Roto cam latch
US4948181A (en) * 1987-08-27 1990-08-14 Environmental Container Systems, Inc. Roto cam latch
GB2212849A (en) * 1987-11-25 1989-08-02 Goodwin W J & Son Ltd Locking assembly hookbolts
WO1992003658A1 (en) * 1990-08-23 1992-03-05 Baxter International Inc. Misloaded iv tube detector for an iv pump
US5120096A (en) * 1990-08-23 1992-06-09 Baxter International Inc. Misloaded IV tube detector for an IV pump
GB2253435A (en) * 1991-03-02 1992-09-09 Ford Motor Co Latch module for a vehicle door
US6099054A (en) * 1998-10-28 2000-08-08 Custom Metalcraft, Inc. Latch dog assembly
US20040140676A1 (en) * 2003-01-21 2004-07-22 Fleet Engineers Incorporated Door latch assembly
US7017954B2 (en) * 2003-01-21 2006-03-28 Fleet Engineers, Inc. Door latch assembly

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GB1233385A (enrdf_load_stackoverflow) 1971-05-26

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