3-筛选及标引后的专利著录项目数据及专利全文us8925979b2

1、I 1111111111111111 111111111111111 11111111111111111111 111111111111111 IIII IIIIUS008925979B2c12) United States PatentHernandez et al.(IO) Patent No.:(45) Date of Patent:US 8,925,979 B2Jan.6,2015(54) COMMAND LATCH AND PIN LATCH SYSTEM(75) Inventors: Manuel Andres Hernandez, TemeculaCA(US); Thomas J

2、. Helsley, Long Beach, CA(US); Timothy S. Rozema, Ladera Ranch, CA (US)(73) Assignee: Hartwell Corporation, Placentia, CA(US)(*)Notice:Subject to any disclaimer, the term of thispatent is extended or adjusted under 35U.S.C. 154(b) by 1392 days.(56)CH DEReferences CitedU.S. PATENT DOCUMENTS1,426,122

3、A8/1922 Stern1,768,021 A6/1930 Bauerband(Continued) FOREIGN PATENT DOCUMENTS676832 A53/19913707323 Al9/1988(Continued)OTHER PUBLICATIONS(21) Appl. No.: 11/944,801Partial European Search Report issued in application No(22) Filed:(65)Nov. 26, 2007Prior Publication DataEP07291414.6 (2011)(Continued)US

4、2008/0129056 AlJun. 5, 2008Related U.S. Application Data(60) Provisional application No. 60/868,010, filed on Nov 30, 2006.(51)Int. Cl.EOSC 19110(2006.01)EOSC 19114(2006.01)EOSB 63/14(2006.01)B64D29/06(2006.01)E05B 53/00(2006.01)E05B 63/12(2006.01)(52)E05B 63/00U.S. Cl.(2006.01)CPCE OSC 19114 (2013.

5、01); EOSB 63/143(2013.01); B64D 29/06 (2013.01); E05B 53/005(2013.01); E05B 63/122 (2013.01); E05B2063/0026 (2013.01); YJOS 292/31 (2013.01)USPC . . 292/98; 292/113; 292/DIG. 31(58) Field of Classification Search USPC. 292/98, 113, DIG. 31,109 See application file for complete search historyPrimary

6、Examiner - Mark Williams(74) Attorney, Agent, or Firm - Barnes & Thornburg LLP(57)ABSTRACTA latching system for releasably securing a first member to a second member in a closed position. The latching system includes a command latch assembly comprising a hook latch assembly including a handle select

7、ively moveable from a first handle position toward a second handle position and a hook member adapted to selectively engage a first keeper when the handle is in the first handle position and to disengage from the first keeper when the handle is moved to the second handle position. The latching syste

8、m also includes a remotely located slave latch assembly comprising a pin latch assembly adapted to secure a second keeper to the pin latch assembly when the handle of the hook latch assembly is in the first handle position and to disengage the second keeper when the handle of the hook latch assembly

9、 is moved to the second handle position.10 Claims, 10 Drawing Sheets1 岱64I I ? ，4! 8 、穸、46-、 八 ， 98， 、212:601 34O 21 212US 8,925,979 B2Page 23,754,224 A8/1973 Roy et al3,765,196 A10/1973 Balicki4,075,878 A2/1978 Best4,318,557 A3/1982 Bourne et al 4,421,349 A12/1983 Greiert4,531,769 A7/1985 Glancy4,5

10、49,708 A10/1985 Norris4,743,052 A5/1988 Stammreich et al 4,768,815 A9/1988 Harmon4,858,970 A8/1989 Tedesco et al 5,096,236 A3/1992 Thony5,172,945A12/1992Doherty et al5,560,232A10/1996Chen5,152,559 A10/1992 Henrichs7,185,926 B2 *(56)References CitedU.S. PATENT DOCUMENTS6,508,086 B26,866,226 B26,866,2

11、27 B26,913,297 B21/2003 Chen 3/2005 Pratt et al 3/2005 Pratt et al7/2005 Jackson et al2,216,367A10/1940 Hoblick6,923,027 Bl8/2005 Kuo2,752,183A6/1956 Franz7,131,672 B211/2006 Pratt et al7,252,311 B2 *7,255,376 B27,513,133 B27,578,475 B27,882,941 B22002/0073747 Al2004/0012212 Al *2005/0235710 Al*2006

12、/0038410 Al2007/0169523 Al3/2007 Helsley et al.292/1138/2007 Prattet al292/1138/2007 Pratt et al 4/2009 Muerza 8/2009 Pratt et al 2/2011 Rozema 6/2002 Chen1/2004 Prattet al292/341.1610/2005 Ling.70/582/2006 Pratt et al 7/2007 LuFOREIGN PATENT DOCUMENTS5,568,740A10/1996LinDE29514280 Ul11/19955,620,21

13、2A4/1997Bourne et alEP04317696/19915,984,382A11/1999Bourne et alEP08397145/19985,992,187A11/1999DermanFR27266005/19966,026,664A2/2000LinGB59419811/19476,036,238A3/2000LallamentGB2161532 A1/19866,068,305A5/2000Myers et alWOWO 2006/0049421/20066,095,573A8/2000RozemaWOWO 2006/0339293/20066,116,663 A9/2

14、000 Robert6,123,370 A9/2000 Rozema6,279,971Bl *8/2001Dessenberger, Jr292/113Search Report issued in Application No. EP07291414.6 (Oct. 2,6,325,428Bl12/2001Do2014)6,343,815Bl*2/2002Poe.292/1136,457,336Bl10/2002Bremicker* cited by examiner6,151,755 A11/2000 RozemaOTHER PUBLICATIONS片 一 ( 0、U.S. PatentJ

15、an.6,2015Sheet 1 of 10US 8,925,979 B2. 9oz 、 f l 迂U.S. PatentJan.6,2015Sheet 2 of 10US 8,925,979 B2Ot? 。 z . 9lJ 9? Z、 HEl 2j4 U.S. PatentJan.6,2015Sheet 3 of 10US 8,925,979 B232FIG.374JO。1 1 47 2124J2 21 23 1085。FIG.4U.S. PatentJan.6,2015Sheet 4 of 10US 8,925,979 B2112110- 夕 - JO72FIG.5 3j。l_I 勹 卢7

16、/心丿！归 FIG.6-U$ .$S. Paten t#Jan.$76,2/50.15Sheet5!o2f.150US 8,925,979 B221256FIG.764,. 100,-108I,-72/242 479 94214 ol - - 1丿21229 8 G lF 丁90，oiJ -$U$.S. Pa ten t#Jan$.76,/25.015Sheet76!2of.510US 8,925,979 B2丿84 64212 一) 0 /I/IIJ O11lFIG.9J446-、 八 /)98106、.J.、 、/，一、1(0O II心、力、4/212OFIG.10212U.S. Pate

17、ntJan.6,2015Sheet 7 of 10US 8,925,979 B2134138202150/204198。130FIG.11198182130FIG.12-U$ .$S. PatentJJaann.66,22001155SShheeeett 88 ooff 1100UCS 8L,d925r,9s794Bh2z 4r s , sO13(6CO13(M8O13(M8O13(M8(F54I) G.1DH330138136150142158174(F54I) G.1DC4U.S. PatentJan.6,2015Sheet 9 of 10US 8,925,979 B2136/130184

18、160194FIG182I1601621166 214174,178172FIG.16210U.S. PatentJan.6,2015Sheet 10 of 10US 8,925,979 B2169130/188190172FIG.171169)30FIG.18194|US 8,925,979 B212COMMAND LATCH AND PIN LATCH SYSTEMRELATED APPLICATIONSThis application claims the benefit of U.S. Provisionalsuch that selective moveme

19、nt of the handle of the hook latch assembly is adapted to move the pin of the pin latch assembly between the extended and retracted positions of the pin.sBRIEF DESCRIPTION OF THEDRAWINGSApplication No. 60/868,010, filed Nov. 30, 2006.FIG. 1 is a front elevational view of a latching system inaccordan

20、ce with an embodiment of the present disclosure.BACKGROUNDFIG. 2 is a top view of the latching system.10 FIG. 3 is a top view of the command latch assemblyThe present disclosure relates to a latching system forFIG. 4 is a partial side elevational view of the command releasably securing a first membe

21、r to a second member in a latch assembly in the closed position.closed pos山on, and in particular to a latching system includ-FIG. 5 is a side elevational view of the hook latch assembly ing a command latch adapted to operate a remotely located of the command latch assembly shown in the open position

22、 slave latch.15 FIG. 6 is a bottom view of the command latch assembly.Many types oflatches are used in connection with aircraftFIG. 7 is a cross sectional view taken along line 7-7 of FIG. to releasably secure two members or structures of the aircraft 6.together in a closed pos山on, such as the housi

23、ng portions ofFIG. 8 isa partial perspective view ofthehooklatchassem- an engine nacelle. Such latches are subjected to substantial bly of the command latch assemblyforces during use while securing two aircraft members 20 FIG. 9 is a side elevational view of the command latch together in a closed po

24、sition. Aircraft latches must also pre- assembly with the handle shown in an intermediate partially vent inadvertent opening of the latch that could be caused by open position.vibratory or other forces applied to the latch. Aircraft latchesFIG. 10 is a side elevational view of the command latch are.

25、s_ome mes locate in sub tanti l)y i ac e.ssible loc tion assembly_ s_ho:n i the clos.:d position in solid lines and in the making direct manual operation of the latch between closed 25 open position in phantom lines.and open positions difficult if not impossible. Aircraft latchesFIG. 11 is a top vie

26、w of the slave latch assembly.are sometimes also located in blind locations such that a latchFIG. 12 is a right side view of the slave latch assembly. cannot be visually inspected to confi 血 it is properly closedFIG. 13 is a perspective view of the slave latch assembly and securing two aircraft memb

27、ers together in a closed posi-and strut assembly shown in the fully open positiontion.30FIG. 14 is a perspective view of a portion of the slave latch Features and advantages of the disclosure will be set forthassembly and strut assembly shown in the closed positionin part in the description which fo

28、llows and the accompany-FIG. 15 is a side elevational view of the slave latch assem- ing drawings described below, wherein an embodiment of thebly and strut assembly in the closed positiondisclosure is described and shown, and in part will becomeFIG.16 is a cross sectional view of the slave latch as

29、sembly apparent upon examination of the following detailed descrip- 35 and strut assembly in the closed positiontion taken in conjunction with the accompanying drawings.FIG.17 is a side elevational view of the pin latch assemblyof the slave latch assembly shown in the closed position.SUMMARYFIG.18 i

30、s a side elevational view of the pin latch assembly of the slave latch assembly shown in the open position.A latching system for releasably securing a first member to 40a second member in a closed position. The latching systemDETAILED DESCRIPTION comprises a command latch assembly operatively couple

31、d toaremotely located slavelatchassembly. Thecommand latchWhile the present disclosure may be susceptible to assembly comprises a hook latch assembly adapted to be embodiment in different forms, there is shown in the draw- attached to the first member and a first keeper adapted to be 45 ings, and he

32、rein will be described in detail, an embodiment attached to the second member. The hook latch assembly with the understanding that the present description is to be includes a handle selectively manually movable from a first considered an exemplification of the principals of the disclo- handle positi

33、on toward a second handle position, and a hook sure and is not intended to limit the disclosure to the details of member adapted to selectively engage the first keeper when construction, methods and arrangements of components set thehandleisinthefirsthandlepositionandtodisengagefrom so forth in the

34、following description or illustrated in the draw- the first keeper when the handle is moved to the second handle ings.position.The present disclosure is 山rected to a latching system for The slave latch assembly comprises a pin latch assemblyreleasably securing a first member to a second member in a

35、adapted to beattached to the first member and a second keeperclosed position, such as members or portions of an aircraft adapted to be attached to the second member. The pin latch 55 The aircraft may be in the form of a plane, jet, helicopter or assembly includes a pin selectively movable between aa

36、ny other aerospace vehicle. The first and second members retracted position and an extended position. The pin isthat are held in the closed position may include any suitable adapted to releasably secure the second keeper to the pin latchmembers or structures of an aircraft configured to be closed or

37、assembly when the pin is in the extended position. A safety otherwise secured togethergate is movable from rst ositi n, where)n he s ety gate 60 - IGS. 1 n _2 show a Jatching sy en.120 in accordm_ice prevents movement of the pin to the extended position, to a with an embodiment of the present disclo

38、sure for securing second position, wherein the safety gate does not prevent first and second members of an aircraft engine housing in a movement of the pin to the extended position, by insertion ofsecured and closed position. The latching system 20 includes the second keeper into a receptacle of the

39、 pin latch assembly. a command latch assembly 24 and a remotely located slave A coupler member has a first end operatively associated with 65 latch assembly 26the handle of the hook latch assembly and a second endThe command latch assembly 24 includes a hook latch operatively associated with the pin

40、 of the pin latch assembly assembly 30 and a keeper 32. The hook latch assembly 30 is4 3 US 8,925,979 B2adapted to be coupled to the first member of the aircraft and coupled to the hook member 34 by the connector member 98 the keeper 32 is adapted to be coupled to the second member for pivotal movem

41、ent about the axis 100. The first link 102 is of the aircraft. The hook latch assembly 30 includes an elon- pivotally coupled to the second link 104 by a center connector gate hook member 34 having a first end 36, second end 38 and member 106 having a central axis 108. The center connector a longitu

42、dinal axis 40. The hook member 34 includes an 5 member 106 of each over-center linkage 90 extends into the elongate slot 42 extending along the longitudinal axis 40 and aperture 76 of a respective wing wall 74 of the handle 64. An extending through the side walls of the hook member 34. The arm 110 e

43、xtends outwardly from each first link 102 to a distal secondend38 ofthehookmember34 includes a hook formed end 112.by an inwardly extending open-end slot 44 and a finger 46.The keeper 32 includes a first end 120, a second end 122, The second end 38 of the hook member 34 also includes an 10 and an ap

44、erture 124 at the second end 122. The first end 120 end wall 48 and an outwardly extending lip 50. Achannel 52of the keeper 32 is adapted to be attached to the second extends through the second end 38 of the hook member 34member of theaircraft. As shown in FIGS. 4 and 7, whenthe between theend wall

45、48 andatop wall 54. Thehook memberhandle 64 is in the closed position, the finger 46 of the hook 34 also includes upper andlower apertures 56 and 58 that aremember 34extendsthroughtheaperture 124inthekeeper 32 in communication with the elongate slot 42. The first end 36 15 such that the tip of the k

46、eeper 32 is located within the slot 44 ofthe hookmember 34includes apairofspacedapartlugs 60.of thehook member 34 whereby the hook latch assembly 30 The hook latch assembly 30 also includes a handle 64andkeeper 32 securely holdthefirst andsecondmembers of having a first end 66 and a second end 68. T

47、he first end 66 oftheaircraftintheclosedposition. Whenthehandle 64isinthe the handle 64 is pivotally coupled to the first end 36 of theclosedposition,thearmofthefirsttrigger78extendsthrough hookmember34 byoneormoreconnectormembers 70, such 20 the channel 52 in the second end 38 of hook member 34 and

48、 asforexample apin, shaft, or fastener, forpivotal movementthroughtheaperture124 inthekeeper 32suchthatthetrigger aboutanaxis 72thatisgenerallytransversetotheaxis 40.The82 releasably engages thekeeper 32 and prevents thehandlehandle 64 includes a pair of spaced apart and generally par-64 from moving

49、 toward the open position shown in FIG. 5 allel wing walls 74 each of which includes a respective aper-When the first trigger 78 is manually actuated, the finger 78 ture 76. Each wingwall 74 is pivotally coupled to the first end 25 pivots out of engagement with the keeper 32 such that the 36 of the

50、hook member 34 by respective connector membershandle 64 may pivot about the axis 72 with respect to the hook70. A first trigger 78 is pivotally attached to the top wall 80 of member 34 and the over-center linkages 90 to an intermediate the handle 64 and is located adjacent the second end 68 of the o

51、pen position as shown in FIG. 9 wherein the finger 86 of the handle 64. The first trigger 78 includes an actuator pad 79 second trigger 84 engages the hook member 34 to prevent pivotally attached to the handle 64 and an arm extending 30 further movement of the handle 64 toward the open position outw

52、ardly from the actuator pad 79 to a finger 80 that is Manual actuation of the second trigger 84 will pivot the finger adapted to releasably engage the keeper 32 when the handle 86 of the second trigger 84 out of engagement with the hook 64 and trigger 78 are in their closed positions. A second membe

53、r 34, such that the handle 64 may be manually moved trigger 84 is pivotally attached to the top wall 80 of the handle from the intermediate open position as shown in FIG. 9 to a 64 adjacent the first end 66. The second trigger 84 includes an 35 fully open position as shown in FIG. 5 and as shown in actuator pad 85 pivotally attached to the handle 64 and an arm phantom lines in FIG. 10.extending outwardly from the actuator pad 85 having anAs the handle 64 is manually moved from the intermediate outwardly extending finger 86 that is adapted