IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0404151
(2003-04-01)
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발명자
/ 주소 |
- Rotondi, Anthony
- Dallmann, Brian
- Frenzen, Tim
- Velzke, Clark
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대리인 / 주소 |
Patterson, Thuente, Skaar &
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인용정보 |
피인용 횟수 :
24 인용 특허 :
0 |
초록
▼
A window fastener for controlling the locking and unlocking of a window is disclosed. The fastener provides an unlocking feature that is manually activated by the user and a locking feature that is automatically activated as the window is moved substantially proximate to the closed position. The unl
A window fastener for controlling the locking and unlocking of a window is disclosed. The fastener provides an unlocking feature that is manually activated by the user and a locking feature that is automatically activated as the window is moved substantially proximate to the closed position. The unlocking feature disengages the fastener from the window and maintains disengagement so that further manipulation of the fastener is not required to facilitate window opening. The fastener also provides a positive confirmation feature that informs the user that the window is either closed and locked or open and unlocked.
대표청구항
▼
1. A window fastener comprising:a housing having a front surface defining a front opening, a rear surface defining a rear opening, a top surface and a bottom surface; a depressible pushlever comprising a pivot end and a nonpivot end, the pushlever being pivotally secured to the housing at the pivot
1. A window fastener comprising:a housing having a front surface defining a front opening, a rear surface defining a rear opening, a top surface and a bottom surface; a depressible pushlever comprising a pivot end and a nonpivot end, the pushlever being pivotally secured to the housing at the pivot end, wherein the pushlever pivots through the front opening of the housing between a depressed position wherein the nonpivot end is substantially flush to the front surface of the housing providing positive confirmation that the window fastener is set in a first condition, and a protruding position wherein the nonpivot end outwardly protrudes from the front surface of the housing providing positive confirmation that the window fastener is set in a second condition; a latch pivotally secured within the housing, wherein the latch releasably engages the pushlever at one end; a trigger rotatably supported within the housing, wherein the trigger rotatably engages the latch; a first biasing element to bias the pushlever towards the protruding position; a second biasing element to bias the trigger towards a resting position; and a bottom plate removably fitted to the bottom surface of the housing. 2. The window fastener of claim 1, wherein the first condition is an unlocked condition and the second condition is a locked condition.3. The window fastener of claim 2, wherein the fastener is attached to a window installation having a window movable between a window open position and a window closed position, wherein the fastener, once set in the unlocked condition, will disengage the window and remain in the unlocked condition while the window is in the window open position, and wherein the fastener will automatically switch to the locked condition and engage the window when the window contacts and rotates the trigger as it moves substantially proximate to the window closed position.4. The window fastener of claim 3, wherein the trigger engages the latch when rotating in a first direction with respect to the resting position and does not engage the latch when rotating in a direction opposite the first direction with respect to the resting position.5. The window fastener of claim 1, wherein the first condition is a locked condition and a second condition is an unlocked condition.6. The window fastener of claim 5, wherein the fastener is attached to a window installation having a window movable between a window open position and a window closed position, wherein the fastener, once set in the unlocked condition, will disengage the window and remain in the unlocked condition while the window is in the window open position, and wherein the fastener will automatically switch to the locked condition and engage the window when the window contacts and rotates the trigger as it moves substantially proximate to the window closed position.7. The window fastener of claim 6, wherein the trigger engages the latch when rotating in a first direction with respect to the resting position and does not engage the latch when rotating in a direction opposite the first direction with respect to the resting position.8. The window fastener of claim 1, wherein at least two mounting holes are defined in the top surface of the housing.9. The window fastener of claim 1, wherein the lock bolt includes a lip portion intended for engaging with an edge of a window frame.10. The window fastener of claim 1, wherein the lock bolt includes a lip portion intended for engageing a keeper attached to a window frame.11. The window fastener of claim 1, wherein the first biasing element is a leaf spring and the second biasing element is a coil spring.12. A window fastener, wherein the window fastener employs a locking feature and an unlocking feature, the window fastener comprising:a housing having a front surface defining a front opening a rear surface defining a rear opening, a top surface and a bottom surface; a depressible pushlever for actuating the unlocking feature, the pushlever comprising a hook portion, a pivot end and a nonpivot end, the pushlever being pivotally secured within the housing at the pivot end, wherein the pushlever pivots through the front opening of the housing between a depressed position wherein the nonpivot end is substantially flush to the front surface of the housing providing positive indicating that the window fastener is set in a first condition, and a protruding position wherein the nonpivot end outwardly protrudes from the front surface of the housing indicating that the window fastener is set in a second condition; a lock bolt pivotally secured within the housing, wherein the lock bolt pivots between an extended position and a retracted position through the rear opening of the housing, and wherein the lock bolt is driven by the pushlever so that the lock bolt is in the extended position when the pushlever is in the protruding position and the lock bolt is in the retracted position when the pushlever is in the depressed position; a trigger for actuating the locking feature, the trigger comprising a shaft portion and a cam portion, wherein the trigger is rotatably supported within the housing so that the trigger, starting from a rest position, is able to rotate in either a first direction or a second direction opposite the first direction; a latch pivotally secured within the housing, the latch having a portion that engages the hook portion of the pushlever when the pushlever is in the depressed position, and a portion for engaging the cam portion of the trigger, wherein rotation of the trigger and cam portion causes the latch to pivot, which in turn disengages the latch from the hook portion of the pushlever, a first biasing element positioned between the pushlever and the latch, wherein the biasing element forces the pushlever to pivot from the depressed position to the protruding position when the latch disengages the hook portion of the pushlever, a second biasing element disposed over the shaft portion of the trigger and connected to the trigger at one end and the housing at another end, wherein the second biasing element returns the trigger to the rest position after the trigger is rotated in either the first direction or second direction; and a bottom plate removably fitted to the bottom surface of the housing. 13. The window fastener of claim 12, wherein the first condition is an unlocked condition and the second condition is a locked condition.14. The window fastener of claims 13, wherein the fastener is attached to a window installation having a window movable between a window open position and a window closed position, wherein the fastener, once set in the unlocked condition, will disengage the window and remain in the unlocked condition while the window is in the window open position, and wherein the fastener will automatically switch to the locked condition and engage the window when the window rotates the trigger as it moves substantially proximate to the window closed position.15. The window fastener of claim 14, wherein the trigger engages the latch when rotating in a first direction with respect to the resting position and does not engage the latch when rotating in a direction opposite the first direction with respect to the resting position.16. The window fastener of claim 12, wherein the first condition is a locked condition and a second condition is an unlocked condition.17. The window fastener of claim 16, wherein the fastener is attached to a window installation having a window movable between a window open position and a window closed position, wherein the fastener, once set in the unlocked condition, will disengage the window and remain in the unlocked condition while the window is in the window open position, and wherein the fastener will automatically switch to the locked condition and engage the window when the window contacts the trigger as it moves substantially proximate to the window closed position.18. The window fastener of claim 17, wherein the trigger engages the latch when rotating in a first direction with respect to the resting position and does not engage the latch when rotating in a direction opposite that first direction with respect to the resting position.19. The window fastener of claim 12, wherein at least two mounting holes are defined in the top surface of the housing.20. The window fastener of claim 12, wherein the lock bolt includes a lip portion intended for engaging with an edge of a window frame.21. The window fastener of claim 12, wherein the lock bolt includes a lip portion intended for engaging a keeper attached to a window frame.22. The window fastener of claim 12, wherein the first biasing element is leaf spring and the second biasing element is a coil spring.23. An automatic locking fastener for a window, door, or gate comprising:a housing having a front opening and a rear opening, a manually operable pushlever in the front opening of the housing, the pushlever having a pair of opposing ends, the pushlever selectively shiftable between a first position wherein the pushlever is substantially within the housing and a second position wherein at least one of the opposing ends protrudes from the housing through the front opening; a selectively releasable latch for latching the pushlever in the first position; a first biasing element operably coupled with the pushlever and arranged to bias the pushlever toward the second position; a lock bolt in the rear opening of the housing, the lock bolt operably coupled with the pushlever and selectively shiftable by the pushlever between a locked position wherein a portion of the lock bolt protrudes through the rear opening of the housing and an unlocked position wherein the lock bolt is substantially within the housing; and an operable trigger in the rear opening of the housing for releasing the latch. 24. The fastener of claim 23, wherein the first position of the pushlever corresponds to the unlocked position of the unlocked position of the lock bolt and the second position of the pushlever corresponds to the locked position of the lock bolt.25. The fastener of claim 24, wherein the fastener is attached to a window.26. The fastener of claim 23, wherein the first position of the pushlever corresponds to the locked position of the lock bolt and the second position of the pushlever corresponds to the unlocked position of the lock bolt.27. The fastener of claim 26, wherein the fastener is attached to a window.28. The fastener of claim 23, wherein the lock bolt includes a lip portion adapted to engage with an edge of a window frame.29. The fastener of claim 23, further comprising a keeper and wherein the lock bolt includes a lip portion adapted to engage the keeper.30. An automatic locking fastener for a window, door, or gate comprising:a housing having a front opening and a rear opening, a manually operable pushlever in the front opening of the housing, the pushlever having a pair of opposing ends, the pushlever selectively shiftable between a first position wherein the pushlever is substantially within the housing and a second position wherein at least one of the opposing ends protrudes from the housing through the front opening; means for latching the pushlever in the first position; means for biasing the pushlever toward the second position; a lock bolt in the rear opening of the housing, the lock bolt operably coupled with the pushlever and selectively shiftable by the pushlever between a locked position wherein a portion of the lock bolt protrudes through the rear opening of the housing and an unlocked position wherein the lock bolt is substantially within the housing; and means operable through the rear opening of the housing for releasing the latch.
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