A locking window having a window frame and a window latch for use with the window is disclosed. The window latch, which is adapted to be attached to the window using a distinct fastener, is selectively movable between a first open position and a second locked position to secure the window sash in th
A locking window having a window frame and a window latch for use with the window is disclosed. The window latch, which is adapted to be attached to the window using a distinct fastener, is selectively movable between a first open position and a second locked position to secure the window sash in the closed position. The window latch includes an actuator arm, a locking arm, a non-compressible pivot and a housing. A pivot location is situated at the union of the actuator arm and the locking arm. The pivot location permits the actuator arm and the locking arm to be selectively movable between a first closed position and a second open position. The housing may include a securing feature for maintaining the housing substantially set relative to the window while at the same time permitting the actuator arm and the locking arm to be selectively movable between a first closed position and a second open position.
대표청구항▼
I claim: 1. A locking window comprising: (a) a window frame including at least one window sash having a top surface connected to a side surface; and (b) a window latch coupled to said top surface of said window sash with only one fastener, said window latch including: (i) an actuator arm connected
I claim: 1. A locking window comprising: (a) a window frame including at least one window sash having a top surface connected to a side surface; and (b) a window latch coupled to said top surface of said window sash with only one fastener, said window latch including: (i) an actuator arm connected to a locking arm; (ii) a pivot location at a union of said locking arm and said actuator arm through which said fastener extends; and (iii) a housing at least partially enclosing said locking arm comprising: a lip extending downwardly from a bottom of said housing alongside said side surface to a position below said top surface of said sash to limit movement of said housing with respect to said window sash; and an opening through which said fastener extends. 2. The locking window according to claim 1, wherein said fastener is a threaded fastener. 3. The locking window according to claim 1, wherein said housing further includes a finger well. 4. The locking window according to claim 1, wherein said housing further includes a finger shoulder. 5. The locking window according to claim 1, wherein said housing further includes a cover. 6. The locking window according to claim 5, wherein said cover is a screw cap. 7. The locking window according to claim 5, wherein said cover is a nameplate. 8. The locking window according to claim 1, wherein said housing further includes a support wall. 9. The locking window according to claim 1, further including a keeper. 10. The locking window according to claim 1, wherein said locking arm further includes an inclined face. 11. The locking window according to claim 10, further including a cam wall. 12. The locking window according to claim 1, wherein said window latch is an offset sweep latch. 13. The locking window according to claim 12, further including a reinforcing shoulder. 14. The locking window according to claim 13, further including a strengthening web between the arms. 15. The locking window according to claim 1, wherein said actuator arm further includes a finger tab. 16. The locking window according to claim 1, wherein said actuator arm further includes a keeper buttress. 17. The locking window according to claim 1, wherein said window latch is a cam latch. 18. The locking window according to claim 1, wherein said window latch is a sweep latch. 19. A window latch for a locking window having a window frame including at least one window sash having a top surface connected to a side surface, the latch for coupling to the top surface of the window sash with only one fastener and comprising: (a) an actuator arm connected to a locking arm; (b) a pivot location at a union of said locking arm and said actuator arm through which a fastener extends; and (c) a housing at least partially enclosing said locking arm comprising: a lip extending downwardly from a bottom of said housing to reside alongside the side surface and extend to a position below the top surface of the sash to limit movement of said housing with respect to the sash; and only one opening for receiving said fastener to couple said latch to the sash. 20. The window latch according to claim 19, wherein said housing further includes a finger well. 21. The window latch according to claim 19, wherein said housing further includes a finger shoulder. 22. The window latch according to claim 19, wherein said housing further includes a cover. 23. The window latch according to claim 19, wherein said cover is a screw cap. 24. The window latch according to claim 19, wherein said cover is a nameplate. 25. The window latch according to claim 19, wherein said housing further includes a support wall. 26. The window latch according to claim 19, further including a keeper. 27. The window latch according to claim 19, wherein said locking arm further includes an inclined face. 28. The window latch according to claim 27, further including a cam wall. 29. The window latch according to claim 19, wherein said window latch is an offset sweep latch. 30. The window latch according to claim 29, further including a reinforcing shoulder. 31. The window latch according to claim 30, further including a strengthening web between the arms. 32. The window latch according to claim 19, wherein said actuator arm further includes a finger tab. 33. The window latch according to claim 19, wherein said actuator arm further includes a keeper buttress. 34. The window latch according to claim 19, wherein said window latch is a cam latch. 35. The window latch according to claim 19, wherein said window latch is a sweep latch. 36. A window latch for a locking window having a pair of adjacent window sashes when closed, the window latch for coupling to one of the sashes with only one fastener and comprising: (a) an actuator connected to a locking arm; and (b) a housing at least partially enclosing said locking arm comprising: (i) an opening for receiving the one fastener aligned with a pivot location at a union of said locking arm and said actuator arm; (ii) an opening at one side through which the locking arm moves in response to operation of the actuator arm; and (iii) a lip extending downwardly from a bottom of the housing on the one side to reside between the adjacent sashes.
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