초록 ▼

Certain embodiments provide systems and methods for unlocking, opening, closing and locking a vent sash. The system may include a push arm configured to extend to open the vent sash and retract to close the vent sash. The system may include a guide arm configured to extend to unlock the vent sash an

Certain embodiments provide systems and methods for unlocking, opening, closing and locking a vent sash. The system may include a push arm configured to extend to open the vent sash and retract to close the vent sash. The system may include a guide arm configured to extend to unlock the vent sash and retract to lock the vent sash. The system may include a handle extension configured to radially rotate substantially one hundred eighty degrees in a first direction on a single plane to extend the push arm and the guide arm. The handle extension may be configured to radially rotate substantially one hundred eighty degrees in a second direction on the single plane to retract the push arm and the guide arm.

대표청구항 ▼

1. A lever mechanism system for unlocking, opening, closing and locking a vent sash, the system comprising: a push arm pivotably coupled to a hinge mount, the hinge mount slidably coupled to a sash assembly coupled to the vent sash, the push arm configured to extend to open the vent sash and retract

1. A lever mechanism system for unlocking, opening, closing and locking a vent sash, the system comprising: a push arm pivotably coupled to a hinge mount, the hinge mount slidably coupled to a sash assembly coupled to the vent sash, the push arm configured to extend to open the vent sash and retract to close the vent sash;a guide arm pivotably attached with the push arm at the hinge mount or to the push arm at a hinge mount end of the push arm, the guide arm engageably coupled to a locking mechanism, the guide arm configured to extend to unlock the vent sash and retract to lock the vent sash; anda handle extension configured to: radially rotate substantially one hundred eighty degrees in a first direction on a single plane to extend the push arm and the guide arm, andradially rotate substantially one hundred eighty degrees in a second direction on the single plane to retract the push arm and the guide arm. 2. The lever mechanism system according to claim 1, comprising at least one cover configured to house at least a portion of the lever mechanism system. 3. The lever mechanism system according to claim 1, comprising a valance configured to cover at least a portion of the lever mechanism system. 4. The lever mechanism system according to claim 1, wherein the second direction is opposite the first direction. 5. The lever mechanism system according to claim 1, comprising a handle configured to adjustably attach to the handle extension. 6. The lever mechanism system according to claim 1, wherein the sash assembly comprises a sash slide bar and a hinge mount slide, the hinge mount coupled to the hinge mount slide, the sash slide bar mounted to the vent sash and configured to receive the hinge mount slide, and wherein the hinge mount slide is slidable one or more of within and on the sash slide bar. 7. The lever mechanism system according to claim 1, comprising a transmission fork, wherein the transmission fork interfaces between the guide arm and the locking mechanism, and wherein the guide arm is engageably coupled to the locking mechanism via the transmission fork to unlock and lock the vent sash. 8. The lever mechanism system according to claim 7, wherein the locking mechanism comprises a plurality of locking points for disengageably coupling to a corresponding plurality of keepers. 9. The lever mechanism system according to claim 7, wherein the guide arm comprises at least one projection configured to engage the transmission fork when the guide arm is at least one of extended and retracted. 10. The lever mechanism system according to claim 1, wherein at least one of the push arm and the guide arm are releasably attached to the vent sash. 11. The lever mechanism system according to claim 1, comprising a main transmission attached to the handle extension and pivotably attached to the push arm, wherein the radial rotation of the handle extension in the first direction pivots the main transmission in a first transmission direction to extend the push arm, and wherein the radial rotation of the handle extension in the second direction pivots the main transmission in a second transmission direction to retract the push arm. 12. The lever mechanism system according to claim 1, wherein the push arm comprises a roller guide. 13. The lever mechanism system according to claim 12, comprising a catch configured to receive the roller guide, wherein receiving the roller guide at the catch pulls the vent sash taut in a closed position. 14. The lever mechanism system according to claim 1, wherein the single plane is a substantially horizontal plane. 15. The lever mechanism system according to claim 1, wherein a force applied to radially rotate the handle extension substantially one hundred eighty degrees on the single plane in each of the first direction and the second direction does not exceed five pounds. 16. The lever mechanism system according to claim 1, wherein at least one of the push arm and the guide arm restricts an amount the vent sash is opened. 17. The lever mechanism system according to claim 11, wherein the handle extension attaches to the main transmission at a frame, and wherein the frame attaches to at least one of a window frame and a vent stop. 18. A method for unlocking, opening, closing and locking a vent sash, the method comprising: radially pivoting a handle extension substantially one hundred eighty degrees in a first direction on a single plane from a locked and closed position to an unlocked and open position, the radially pivoting the handle extension in the first direction extending a push arm to open the vent sash and extending a guide arm engageably coupled to a locking mechanism to unlock the vent sash, wherein the push arm is pivotably coupled to a hinge mount, and wherein the hinge mount is slidably coupled to a sash assembly coupled to the vent sash; andradially pivoting the handle extension substantially one hundred eighty degrees in a second direction on the single plane from the unlocked and open position to the locked and closed position, the radially pivoting the handle extension in the second direction retracting the push arm to close the vent sash and retracting the guide arm to lock the vent sash. 19. The method according to claim 18, wherein the sash assembly comprises a sash slide bar and a hinge mount slide, the hinge mount coupled to the hinge mount slide, the sash slide bar mounted to the vent sash and configured to receive the hinge mount slide, and wherein the hinge mount slide is slidable one or more of within and on the sash slide bar. 20. The method according to claim 18, wherein the second direction is opposite the first direction. 21. The method according to claim 18, wherein a force applied to radially rotate the handle extension substantially one hundred eighty degrees on the single plane in each of the first direction and the second direction does not exceed five pounds. 22. The method according to claim 18, wherein the single plane is a substantially horizontal plane.