초록 ▼

A multi-point exit door lock and method of installing same, the door lock including main lock and upper and lower lock modules. a push type panic bar, lock bolts associated with each of the lock modules, and a pull-type cable of predetermined length having its ends fixed to the main lock module and

A multi-point exit door lock and method of installing same, the door lock including main lock and upper and lower lock modules. a push type panic bar, lock bolts associated with each of the lock modules, and a pull-type cable of predetermined length having its ends fixed to the main lock module and to each of the upper and lower lock modules, whereby pushing the panic bar opens all lock modules. The method of installing the new lock includes a template which is temporarily mounted to the exit door and rotated to successive positions for automatically and accurately marking all the drill holes for mounting all the lock modules at relative distances apart corresponding to the predetermined distances between them pre-established by the cables of predetermined length fixedly attached to the various lock modules.

대표청구항 ▼

1. A multi-point lock installable on an exit door that is mountable on a door frame and is moveable between closed and open positions, said multi-point lock comprising: a. a main lock module comprising a main housing mountable on said exit door, a main lock bolt carried by said main housing and mova

1. A multi-point lock installable on an exit door that is mountable on a door frame and is moveable between closed and open positions, said multi-point lock comprising: a. a main lock module comprising a main housing mountable on said exit door, a main lock bolt carried by said main housing and movable between its locked position where it engages said door frame and its unlocked position for allowing said exit door to open, and main drive means on said main housing for moving said main lock bolt between its locked position and its unlocked position,b. a remote lock module comprising a remote housing mountable on said exit door at a location vertically displaced from said main lock module, a remote lock bolt carried by said remote housing and movable between its locked position where it engages said door frame and its unlocked position for allowing said exit door to open, and a remote drive means on said remote housing for moving said remote lock bolt between its locked position and its locked position,c. a push panic bar that is coupled to said main drive means, mountable on said exit door and moveable from its closed to its opened position which activates said main drive means to drive said main lock bolt to its open position, andd. a flexible pull cable having opposite near and remote ends permanently fixed to said main and remote drive means respectively, said cable having pre-determined length such that there will be a corresponding predetermined distance between said main and remote housings when said cable is extended to be generally straight, said main and remote lock modules thus being mountable on said door at a predetermined distance between them without requiring any measurement between them, ande. whereby said push bar, when moved from its closed to its opened position, drives said main drive means to move said main lock bolt to its unlocked position and at the same time, pulls said pull cable whose remote end pulls and thereby drives said remote drive means to move said remote lock bolt to its unlocked position, so that said exit door can be opened. 2. A multi-point lock according to claim 1, further comprising a second flexible remote lock module having a second remote housing, a second lock bolt and second drive means, and a second flexible pull cable having near and remote ends permanently fixed to said main and second remote drive means respectively, said second flexible cable having pre-determined length whereby said second flexible cable, when extended axially, establishes a pre-determined distance between said main and second remote housings, and said main drive means, when moved to its opened position, applying tension to both said flexible pull cable and said second flexible pull cable whose respective remote ends pull and thereby drive said remote and said second remote drive means to move said remote and said second remote lock bolts respectively at the same time to their respective unlocked positions. 3. A multi-point lock according to claim 2 wherein said main lock module drive means has upper and lower parts, and said flexible cable and said second flexible cable have respective near ends attached to said upper and lower parts respectively of said main drive means. 4. A multi-point lock according to claim 2, wherein said exit door has opposite inner and outer side surfaces and is pivotably mountable in said door frame to move in an outward direction from its closed position to its open position, and wherein said main and remote lock modules are mountable on said inner side surface of said exit door, and wherein said main drive means comprises a plate mounted for rotation about an axis extending transversely of said main drive means on said inner side of said exit door, said plate having top, bottom, left and right side parts, said top part engaged to said near end of said flexible cable, one of said side parts of said plate coupled to the main lock bolt, said bottom part of said plate coupled to said near end of said second flexible cable, and said other of said side parts coupled to said panic bar, whereby pushing of said panic bar causes rotation of said plate which causes said top and bottom parts as they rotate to apply tension to said cable and said second cable and to drive said remote and said second remote drive means to unlock said remote and said second remote lock bolts, rotation of said plate also simultaneously driving and unlocking said lock bolt of said main lock. 5. A multi-point lock according to claim 2, wherein said cable and said second cable each have equal length and said remote and said second remote modules are situated equidistant from said main lock assembly. 6. A multi-point lock according to claim 2 wherein said main lock module, said remote and said second remote lock modules and said flexible pull cable and second flexible pull cables coupling said main drive means and said remote and second remote drive means respectively of said first and second remote lock modules, comprise a pre-assembled lock system, wherein, upon installation on a door, said remote lock modules with their respective cables extended axially between said main and remote drive means respectively, will automatically be sited predetermined distances from said main lock module. 7. A multi-point lock according to claim 6 wherein said remote and said second remote lock modules each further comprises a spring which biases its respective remote lock bolt toward its locked position, and said flexible and said second flexible cable when pulled by said main lock module drive means, drive said remote and said remote drive means against said biasing springs to drive said remote lock bolts to their open positions respectively. 8. A multi-point lock according to claim 1 wherein said exit door has opposite inner and outer side surfaces and is pivotably mountable in said door frame to move in an outward direction from its closed position to its open position, and wherein said main and said remote lock modules are mountable on said inner side surface of said exit door. 9. A multi-point lock according to claim 8 wherein said panic bar is spaced apart from said inner side surface of said exit door and is movable in an outward direction toward said inner side surface of said exit door. 10. A multi-point lock according to claim 1 where said main lock module, said remote lock module and said flexible pull cable of pre-determined length whose ends are fixed to said drive means of said main and remote lock modules, comprise a pre-assembled lock system wherein, upon installation on a door, said remote lock module with said cable extended axially between said main and remote drive means respectively will automatically be sited a predetermined distance from said main lock module. 11. A multi-point lock according to claim 1 wherein said remote lock module further comprises a spring which biases said remote lock bolt toward its locked position, and said flexible cable when pulled by said main lock module drive means drives said remote drive means against said biasing spring to drive said remote lock bolt to its open position. 12. A multipoint lock adapted to be mounted on an exit door that is adapted to be mounted on a door frame, where said exit door is movable from its closed position to its open position, said lock comprising: a. a main lock module, and remote lock module and second remote lock modules at locations vertically displaced respectively above and below said main lock module, each of said main, remote and second remote lock modules having a housing, a lock bolt movable in its housing, and drive means to move said respective lock bolt between its closed and open positions, each of said lock bolts having an end part for locking engagement with said door frame,b. two flexible pull cables, each having near and remote ends where said near of each of said cable is permanently fixed to said main lock drive means and said remote end of each of said cables is permanently fixed to one of said remote lock drive means, each of said cables having a predetermined length such that there will be a corresponding predetermined distance between said main and said two remote lock modules when said multi-point lock is mounted on an exit door with said cables extended to be generally straight,c. said main lock module further comprising an activation element coupled to said main lock drive means and movable between its closed and open positions,d. whereby, in said multi-point lock, when mounted on an exit door with said flexible pull cables extended to be generally straight and said lock bolts in their locked positions engaged to said door frame, movement of said activation means from its closed to its open position moves said main lock drive means which simultaneously (a) moves said main lock bolt to its open position, and (b) applies tension to both of said flexible pull cables which causes said two remote drive means to move their remote lock bolts to move to their respective open positions, so that said exit door can be opened. 13. A multi-point lock according to claim 12, wherein said activation element is push panic bar adapted to be mounted on said exit door, said push panic bar having a locked position where it is spaced from said door and being movable in said outward direction to its open position for driving said drive means of said main lock module to its open position which drives said lock bolts of all said lock modules to their respective open positions. 14. A multi-point lock according to claim 12, wherein said flexible cable and said second cables are of equal predetermined length so that said remote and said second remote lock modules will each be spaced from said central lock module by the same predetermined distance when mounted on said exit door with said cables extended straight. 15. A multi-point lock according to claim 12, wherein said main lock module drive means is a rotatable element having upper and lower parts coupled to said near ends of said upper and lower cables respectively, and has left and right parts coupled to said panic bar and said lock bolt respectively, so that movement of said panic bar drives said element to rotate, and said element when rotated drives all of said locking bolts at the same time. 16. A multi-point lock according to claim 12, wherein said activation element comprises a push panic bar that is movable generally axially between its closed and open positions, coupled with a motion translation member (MTM) that converts said generally axial motion to rotary motion, whereby said MTM is coupled to said main lock bolt and to said near ends of said cables, and said generally axial motion of said push bar rotates said MTM and drives said lock bolts to their open positions. 17. A multi-point lock according to claim 12, wherein, in said main lock module, said main lock bolt is a dead bolt, and in each of said remote lock modules said lock bolt is spring biased to its locked position. 18. In combination, a multi-point lock according to claim 12 and an exit door that has opposite inner and outer sides and is pivotable in a door frame when pushed in an outward direction from its closed to its open position, said inner side having central, upper and lower parts, said lock mounted on said inner side with said main lock module mounted on said central part and said upper and lower lock modules mounted on said upper and lower parts and respectively spaced apart from said central lock module said predetermined distance, with said flexible cable and said second cable of said predetermined length extended in a generally straight configuration between said main lock module and said remote lock modules respectively. 19. A multi-point lock kit for use with an exit door that is mountable on a door frame and is moveable between closed and open positions, said multi-point lock kit comprising: a. a main lock module comprising a main housing mountable on said exit door, a main lock bolt carried by said main housing and movable between its locked position where it engages said door frame and its unlocked position for allowing said exit door to open, and main drive means on said main housing for moving said main lock bolt between its locked position and its unlocked position,b. remote lock module comprising a remote housing mountable on said exit door at a location vertically displaced from said main lock module, a remote lock bolt carried by said remote housing and movable between its locked position where it engages said door frame and its unlocked position for allowing said exit door to open, and a remote drive means on said remote housing for moving said remote lock bolt between its locked position and its locked position,c. a push panic bar or paddle that is coupled to said main drive means, mountable on said exit door and moveable from its closed to its opened position which activates said main drive means to drive said main lock bolt to its open position,d. a flexible pull cable having opposite near and remote ends, and fixed to said main and remote drive means respectively, said cable having pre-determined length whereby said first cable, when extended axially, establishes a pre-determined distance between said main and first remote housings,whereby said push panic bar, when moved from its closed to its opened position, drives said main drive means to move said main lock bolt to its unlocked position and at the same time, pulls said pull cable whose remote end pulls and thereby drives said remote drive means to its unlocked position, so that said exit door can be opened. 20. The multi-point lock kit according to claim 19 further comprising a second flexible remote lock module having a second remote housing, a second lock bolt and second drive means, and a second flexible pull cable having near and remote ends permanently fixed to said main and second remote drive means respectively, said second flexible cable having pre-determined length whereby said second flexible cable, when extended axially, establishes a pre-determined distance between said main and second remote housings, and said main drive means, when moved to its opened position, applying tension to both said flexible pull cable and said second flexible pull cable whose respective remote ends pull and thereby drive said remote and said second remote drive means to move said remote and said second remote lock bolts respectively at the same time to their respective unlocked positions.