Claims
- 1. In combination:a pivoting door, the door having a hinged edge and a free edge and a major surface comprising a door face which is the trailing surface of the door as the door pivots in a direction from a closed position to an open position; and an exit device, the exit device comprising a. a frame including a base plate having a longitudinal axis and side plates secured to and extending up on either aide of the base plate, the frame mounted to the door face which is the trailing surface of the door, b. a pin secured to and extending between the side plates spaced from the base plate, c. a deadbolt between the pin and the base plate, the deadbolt having a longitudinal axis parallel to the longitudinal axis of the base plate and slidable longitudinally with respect to the base plate from an extended position, where the deadbolt is adapted to be received in a keeper mounted adjacent the free edge of the door when the door is in the closed position, to a retracted position and having an abutment surface, d. a retractor blade pivotally mounted on the pin for movement from an extended position to a retracted position, the retractor blade including a periphery having a nose adapted to engage the abutment surface, a deadbolt pressure surface extending along the periphery from the nose and adapted as the retractor blade pivots and the deadbolt slides to roll progressively along a longitudinal surface on the deadbolt, and a strike-plate-engaging surface for engaging a strike plate as the door closes for pivoting the retractor blade to the refracted position as the nose engages the abutment surface and retracts the deadbolt, e. a manually operated press bar assembly is disposed on trailing surface of the door mounted on the frame and operatively connected to the deadbolt so that when the press bar is pushed the deadbolt slides to the retracted position while supported by the retractor blade for minimizing the force necessary to move the deadbolt to the retracted position as the door is pushed open under conditions of high outward force on the door and exit device by countering the inward force on the deadbolt and defeating friction generated as the deadbolt is pressed outward against the keeper, and f. a spring for urging the deadbolt toward the extended position.
- 2. The combination as claimed in claim 1, flitter comprising means for effecting deadlocking of the deadbolt.
- 3. The combination as claimed in claim 2, flitter comprising a projection extending transversely out from the deadbolt and wherein the deadlocking effecting means is adapted for moving from a blocking position to a clearing position with respect to the projection.
- 4. The combination as claimed in claim 3, wherein the deadlocking effecting means comprises an urn pivotally secured on the frame, the arm having a blocking surface adapted in the blocking position of the urn to be disposed in the path of the projection for preventing the deadbolt from being depressed from the extended position.
- 5. The combination as claimed in claim 4, further comprising means for canceling deadlocking of the deadbolt.
- 6. The combination as in claim 5, wherein the deadlocking canceling means comprises a first actuator means for moving then from the blocking to the clearing position.
- 7. The combination as claimed in claim 6, wherein the deadlocking canceling means further comprises a second actuator means for moving the arm from the blocking to the clearing position.
- 8. The combination as claimed in claim 7, wherein the second arm moving actuator means comprises an extension on the press bar assembly for engaging the arm when the prom bar is pushed and moving the arm form the blocking position to the clearing position.
- 9. The combination as claimed in claim 8, wherein the first arm moving actuator means comprises a deadlocking plunger adjacent the deadbolt, the deadlocking plunger having a cam surface for moving the arm to the clearing position and holding the arm in the clearing position when the deadlocking plunger is extended.
- 10. In combination:a pivoting door, the door having a hinged edge and a free edge and a major surface comprising a door face which is the trailing surface of the door as the door pivots in a direction from a closed position to an open position; and an exit device, the exit device comprising a. a frame including a base plate having a longitudinal axis and side plates secured to and extending up on either side of the base plate, the frame mounted on the door face which is the trailing surface of the door, b. a pin secured to and extending between the side plates spaced from the base plate, c. a deadbolt between the pin and the base plate, to deadbolt having a longitudinal axis parallel to the longitudinal axis of the base plate and slidable longitudinally with respect to the base plate from an extended position, where the deadbolt is adapted to be received in a keeper mounted adjacent the free edge of the door when the door is in the closed position, to a retracted position and having a serrated longitudinal surface, d. a retractor blade pivotally mounted on the pin for movement from an extended position to a retracted position, the retractor blade including a periphery having a serrated deadbolt pressure surface extending along the periphery adapted as the retractor blade pivots to engage the serrated deadbolt surface and to roll progressively along the surface on the deadbolt for retracting the deadbolt, and a strike-plate-engaging surface for engaging a strike plate as the door closes for pivoting the refractor blade to the retracted position as the deadbolt pressure surface engages the abutment surface and retracts the deadbolt, e. a manually operated press bar assembly is disposed on the trailing surface of the door and adapted to be mounted on the frame, the press bar operatively connected to the retractor blade so that when the press bar is pushed the retractor blade pivots to the refracted position as the deadbolt pressure surface engages the deadbolt surface and retracts the deadbolt while supporting the deadbolt for minimizing the force necessary to move the deadbolt to the retracted position as the door is pushed open under conditions of high outward force on the door and exit device by countering the inward force on the deadbolt and defeating fiction generated as the deadbolt is pressed outward against the keeper, and f. a spring for urging the deadbolt toward the extended position.
- 11. The combination as claimed in claim 10, further comprising means for effecting deadlocking of the deadbolt.
- 12. The combination as claimed in claim 11, further comprising a projection extending transversely out from the deadbolt and wherein the deadlocking effecting means is adapted for moving from a blocking position to a clearing position with respect to the projection.
- 13. The combination as claimed in claim 12, wherein the deadlocking effecting means comprises an arm pivotally secured on the frame, the inn having a blocking surface adapted in the blocking position of the cm to be disposed in the path of the projection for preventing the deadbolt from being depressed from the extended position.
- 14. The combination as claimed in claim 13, further comprising means for canceling deadlocking of the deadbolt.
- 15. The combination as claimed in claim 14, wherein the deadlocking canceling means comprises a first actuator means for moving the arm from the blocking to the clearing position.
- 16. The combination as claimed in claim 15, wherein the deadlocking canceling means farther comprises a second actuator means for moving the arm from the blocking to the clearing position.
- 17. The combination as claimed in claim 16, wherein the second arm moving actuator means comprises an extension on the press bar assembly for engaging the arm when the press buy is pushed and moving the arm from the blocking position to the clearing position.
- 18. The combination as claimed in claim 17, wherein the first arm moving actuator means comprises a deadlocking plunger adjacent the deadbolt, the deadlocking plunger having a cam surface for moving the arm to the clearing position and holding the arm in the clearing position when the deadlocking plunger is extended.
- 19. In combination:a pivoting door, the door having a hinged edge and a free edge and a major surface comprising a door face which is the trailing surface of the door as the door pivots in a direction from a closed position to an open position, and an exit device, the exit device comprising a frame having a longitudinal axis and mounted on the door face which is the trailing surface of the door, a deadbolt movably mounted in the frame, the deadbolt adapted to be received in a keeper mounted adjacent the free edge of the door when the door is in the closed position, the deadbolt having a longitudinal axis parallel to the longitudinal axis of the frame, a pressbar assembly disposed on the trailing surface of the door and mounted on the frame and operatively connected to the deadbolt for retracting the deadbolt when the pressbar is pushed, means for supporting the movement of the deadbolt pivotally mounted on the frame, the supporting means having a peripheral surface for engaging and rolling along a longitudinal deadbolt surface as the supporting means pivots for supporting retraction of the deadbolt and minimizing the force necessary to move the deadbolt to the retracted position as the door is pushed open under conditions of high outward force on the door and exit device by countering the inward force on the deadbolt and defeating friction generated as the deadbolt is pressed outward against the keeper, and means far engaging the supporting means and the deadbolt for cooperative movement between the deadbolt and the supporting means.
- 20. The combination as claimed in claim 19, wherein the supporting means is formed with a keeper-engaging surface for engaging a keeper and pivoting the supporting means to refract the deadbolt as the door is closed.
- 21. The combination as claimed in claim 19, wherein the engaging means comprises a non-longitudinal surface on the deadbolt and a retracting surface on the supporting means for engaging the non-longitudinal surface of the deadbolt as the deadbolt retracts to pivot the supporting means.
- 22. The combination as claimed in claim 19, wherein the engaging means comprises interengaging serrated surfaces on the deadbolt and supporting means.
- 23. The combination as claimed in claim 19, further comprising means for effecting deadlocking of the deadbolt.
- 24. The combination as claimed in claim 23, further comprising a projection extending transversely out from the deadbolt and wherein the deadlocking effecting means is adapted for moving from a blocking position to a clearing position with respect to the projection.
- 25. The combination as claimed in claim 24, wherein the deadlocking effecting means comprises an arm pivotally secured on the frame, the arm having a blocking surface adapted in the blocking position of the arm to be disposed in the path of the projection for preventing the deadbolt from being depressed from the extended position.
- 26. The combination as claimed in claim 24, further comprising means for canceling deadlocking of the deadbolt.
- 27. The combination an claimed in claim 26, wherein the deadlocking canceling means comprises a first actuator means for moving the deadlocking effecting means from the blocking position to the clearing position.
- 28. The combination as claimed in claim 27, wherein the deadlocking canceling means further comprises a second actuator means for moving the deadlocking effecting means from the blocking position to the clearing position.
- 29. The combination as claimed in claim 27, wherein the first actuator means for moving the deadlocking effecting means comprises a deadlocking plunger adjacent the deadbolt, the deadlocking plunger having a cam surface for moving the deadlocking effecting means to the clearing position and holding the deadlocking effecting means in the clearing position when the deadlocking plunger is extended.
- 30. The combination claimed in claim 28, wherein the second actuator moans for moving the deadlocking effecting means comprises an extension on the press bar assembly for engaging the deadlocking effecting means when the press bar is pushed and moving the deadlocking effecting means from the blocking position to the clearing position.
- 31. In combination:a pivoted door, the door having a hinged edge and a free edge and a major surface comprising a door face which is the trailing surface of the door as the door pivots in a direction from a closed position to an open position, and an exit device, the exit device comprising a. means for supporting the exit device mounted on the door face which is the trailing surface of the door, the supporting means having a longitudinal axis, b. means disposed on the trauma surface of the door for actuating the exit device, c. a deadbolt in the supporting means, the deadbolt having a longitudinal axis parallel to the longitudinal axis of the supporting means and longitudinally moveable with respect to the longitudinal axis of the supporting means from an extended position, where the deadbolt is adapted to be received in a keeper mounted adjacent the free edge of the door when the door is in the closed position, to a retracted position, d. means for halting to actuating means and the deadbolt for moving to deadbolt from the extended to the retracted position when the actuating means is actuated, and e. a bearing member pivotally mounted in the supporting means, the bearing member including a bearing surface aligned with a longitudinal deadbolt surface for engaging and rolling along the deadbolt surface as the deadbolt is moved to the retracted position for supporting the longitudinal movement of to deadbolt and minimizing the force necessary to move the deadbolt to the retracted position as the door is pushed open under conditions of high outward force on the door and exit device by countering the inward force on the deadbolt and defeating friction generated as the deadbolt is pressed outward against the keeper, the deadbolt returning to the extended position when the actuating means is released.
- 32. The combination as claimed in claim 31, wherein the deadbolt has a non-longitudinal surface and the bearing member has a retracting surface for engaging the non-longitudinal surface of to deadbolt as the deadbolt retracts for pivoting the bearing member.
- 33. The combination as claimed in claim 32, wherein the retracting surface comprises a projecting nose.
- 34. The combination as claimed in claim 33, wherein the bearing member has a keeper-engaging surface spaced from the projecting nose and wherein the bearing surface is disposed intermediate the projecting nose and the keeper-engaging surface.
- 35. The combination as claimed in claim 31, wherein the deadbolt and bearing member further comprise interengaging serrated surfaces.
- 36. The combination as claimed in claim 31, further comprising means for effecting deadlocking of the deadbolt.
- 37. The combination claimed in claim 36, wherein the deadlocking effecting means is adapted to be moved from a blocking position to a clearing position with respect to the deadbolt, the deadlocking effecting means adapted in the blocking position to be disposed in the path of the deadbolt for preventing the deadbolt from being depressed from the extended position.
- 38. The combination as claimed in claim 37, wherein the deadlocking effecting means comprises an arm pivotally secured on the frame means, the arm having a blocking surface adapted in the blocking position of the arm to be disposed in the path of the deadbolt for preventing the deadbolt from being depressed from the extended position.
- 39. The combination as claimed in claim 37, further comprising means for canceling deadlocking of the deadbolt.
- 40. The combination as claimed in claim 39, wherein the deadlocking canceling means comprises means for moving the deadlocking effecting means from the blocking position to the clearing position.
- 41. The combination as claimed in claim 40, wherein the means for moving the deadlocking effecting means comprises an extension on the linking means which engages the deadlocking effecting means when the actuating means is actuated for moving the deadlocking effecting means from the blocking to the clearing position.
- 42. The combination as claimed in claim 40, wherein the means for moving the deadlocking effecting means comprises a deadlocking plunger, the deadlocking plunger having a cam surface which moves the deadlocking effecting means to the clearing position and holds it in the clearing position when the deadlocking plunger is extended.
CROSS-REFERENCES
This application is a continuation-in-part of U.S. application Ser. No. 08/476,345 filed Jun. 7, 1995, abandoned, which is a continuation-in-part of U.S. application Ser. No. 08/144,243, filed Nov. 1, 1993 abandoned, which is the parent of related U.S. application Ser. No. 08/527,101 which issued as U.S. Pat. No. 5,605,362, the contents of all of which I hereby incorporate by reference.
US Referenced Citations (25)
Foreign Referenced Citations (4)
Number |
Date |
Country |
4112562 |
Apr 1991 |
DE |
0651120 |
May 1995 |
EP |
0651120 |
Oct 1996 |
EP |
385475 |
Dec 1932 |
GB |
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
08/476345 |
Jun 1995 |
US |
Child |
09/080587 |
|
US |
Parent |
08/144243 |
Nov 1993 |
US |
Child |
08/476345 |
|
US |