Self-closing slide assembly with dampening mechanism
View Patent ↗A slide assembly with a self-closing mechanism that includes a dampening mechanism. In one arrangement, the slide assembly includes an inner slide segment slidably coupled to an outer slide segment. The self-closing mechanism is configured to move the inner slide segment towards a retracted position when the inner segment is moved to within a predetermined distance from the retracted position. The slide assembly can also include a latch which is engaged during the closing process and functions to trigger the self-closing and dampening. In an arrangement, the slide assembly has a maximum width dimension of about 0.4 inches or less, taking into account normal manufacturing variations. In an arrangement, a movable portion of the self-closing mechanism slidably engages a bearing race of the outer segment.
1. A slide assembly comprising:
a first slide segment defining a wall portion and a pair of bearing surfaces spaced from one another on opposite sides of the wall portion;
a second slide segment operably supported by the bearing surfaces of the first segment, the second slide segment being movable relative to the first slide segment between an extended position and a retracted position;
a self-closing mechanism coupled to the first slide segment and configured to automatically move the second slide segment in a closing direction towards the retracted position when the second segment is moved to within a predetermined distance from the retracted position, the self-closing mechanism comprising:
a carrier configured with surfaces that engage the bearing surfaces to support the carrier relative to the second slide segment, the carrier being movable relative to the first segment;
a pin carried by the carrier and rotatable relative to the carrier;
a pair of springs configured to urge the carrier in the closing direction;
a dampener coupled to the carrier and configured to produce a dampening force tending to oppose the movement of the carrier;
a guide slot defined by an opening passing completely through the wall of the first slide segment and having an edge surface of a portion of the wall that defines the opening configured to guide the movement of the pin;
an engagement surface defined by the second slide segment that releases the pin from a set position and engages the pin such that the second segment is moved along with the movement of the carrier towards a closed position as the carrier is urged by the springs against the dampening force of the dampener.
2. The slide assembly of claim 1 , wherein the second slide segment comprises a first tooth defining a first portion of the engagement surface and configured to engage the pin during the normal closing motion of the self-closing mechanism.
3. The slide assembly of claim 2 , wherein the second slide segment further comprises a second tooth defining a second portion of the engagement surface and configured to assist in resetting the self-closing mechanism.
4. The slide assembly of claim 1 , wherein the dampener is positioned between the springs.
5. The slide assembly of claim 1 , further comprising a third slide segment operably supported by the bearing surfaces of the first slide segment and configured to operably support the second slide segment.
6. The slide assembly of claim 1 , wherein the engagement surface is defined by a slot in the second slide segment that comprises a sloped portion configured to engage the pin and assist in removing the pin from the set position.
7. The slide assembly of claim 1 , wherein the guide slot comprises a locking portion that extends in a direction having at least a component that is perpendicular with respect to the longitudinal axis of the slide assembly, the locking portion is configured to hold the pin in the set position.
8. The slide assembly of claim 1 , wherein the pin is rotatably supported by the carrier.
9. The slide assembly of claim 1 , wherein the slide assembly has a maximum width dimension of about 0.43 inches or less.
10. The slide assembly of claim 1 , wherein the engagement surface of the second slide segment is defined by a slot passing completely through the second slide segment and opening to a rearward edge of the second slide segment.
11. The slide assembly of claim 1 , wherein the dampener comprises a dampener cylinder and a dampener rod that move relative to one another in a linear direction.
12. A slide assembly compromising:
a first slide segment defining a wall portion and a pair of bearing surfaces spaced from one another on opposite sides of the wall portion;
a second slide segment operably supported by the bearing surfaces of the first segment, the second slide segment being movable relative to the first slide segment between an extended position and a retracted position;
a self-closing mechanism coupled to the first slide segment and configured to automatically move the second slide segment in a closing direction towards the retracted position when the second segment is moved to within a predetermined distance from the retracted position, the self-closing mechanism comprising:
a carrier configured with surfaces that engage the bearing surfaces to support the carrier relative to the second slide segment, the carrier being movable relative to the first segment
a pin carried by the carrier and rotatable relative to the carrier;
a pair of springs configured to urge the carrier in the closing direction;
a dampener coupled to the carrier and configured to produce a dampening force tending to oppose the movement of the carrier;
a guide slot defined by the wall of the first slide segment and configured to guide the movement of the pin;
an engagement surface defined by the second slide segment that releases the pin from a set position and engages the pin such that the second segment is moved along with the movement of the carrier towards a closed position as the carrier is urged by the springs against the dampening force of the dampener;
wherein the guide slot further comprises a spring located at the end of the guide slot and configured to allow the pin to move into a recess of the guide slot to permit a portion of the second slide segment to pass over the pin.
13. A slide assembly, comprising:
an outer slide segment defining a wall portion and a pair of bearing surfaces spaced from one another on opposite sides of the wall portion;
an inner slide segment operably supported by the bearing surfaces of the outer segment, the inner slide segment being movable relative to the outer slide segment between an open position and a closed position;
a self-closing mechanism coupled to the outer slide segment and configured to automatically move the inner slide segment in a closing direction towards the closed position when the inner segment is moved to within a predetermined distance from the closed position, the self-closing mechanism comprising:
a carrier that is slidably supported relative to the outer slide segment by the bearing surfaces;
a latch carried by the carrier, wherein the latch selectively engages the inner slide segment such that the carrier and the inner slide segment move together relative to the outer slide segment;
a biasing mechanism configured to urge the carrier in the closing direction;
a dampener configured to produce a dampening force tending to oppose movement of the carrier;
a guide slot defined by an opening passing completely through the wall of the outer slide segment and having an edge surface of a portion of the wall that defines the opening configured to assist in engagement and disengagement of the latch from the inner slide segment.
14. The slide assembly of claim 13 , wherein the biasing mechanism of the self-closing mechanism comprises two springs and the dampener is positioned between the two springs.
15. The slide assembly of claim 13 , wherein the inner segment includes a slot and the latch comprises a movable pin configured to engage the slot.
16. The slide assembly of claim 15 , wherein the slot in the inner segment comprises a tooth configured for resetting the pin to a set position.
17. The slide assembly of claim 15 , wherein the slot of the inner slide segment is defined by a slot passing completely through the inner slide segment and opening to a rearward edge of the inner slide segment.
18. The slide assembly of claim 13 , wherein the slide assembly has a maximum width dimension of about 0.43 inches or less.
19. The slide assembly of claim 13 , wherein the dampener comprises a dampener cylinder and a dampener rod that move relative to one another in a linear direction.
20. A slide assembly comprising:
a first slide segment defining at least one bearing surface;
a second slide segment operably supported by the bearing surface of the first slide segment, the second slide segment configured to move relative to the first slide segment between a closed position and an open position;
a self-closing mechanism configured to automatically move the second slide segment in a closing direction towards the closed position when the second segment is moved to within a predetermined distance from the closed position, the self-closing mechanism including a carrier configured to engage the second slide segment and a dampener configured to dampen the motion of the carrier, wherein the second slide segment comprises a slot and the carrier comprises a pin, the slot being configured to engage the pin, and the first slide segment comprises a guide slot defined by an opening passing completely through a wall of the first slide segment and having an edge surface of a portion of the wall that defines the opening configured to guide the movement of the pin;
wherein the carrier is slidably supported by the bearing surface of the first slide segment.
21. The slide assembly of claim 20 , wherein the self-closing mechanism further comprises a pair of springs configured to urge the carrier towards the fully closed position and the dampener is positioned between the springs.
22. The slide assembly of claim 20 , further comprising a third slide segment operably supported by the bearing surfaces of the first slide segment and configured to operably support the second slide segment.
23. The slide assembly of claim 20 , wherein the slot of the second slide segment passes completely through the second slide segment and defines an opening to a rearward edge of the second slide segment.
24. The slide assembly of claim 20 , wherein the dampener comprises a dampener cylinder and a dampener rod that move relative to one another in a linear direction.