Repositionable pit seal

• US 8,006,338 B2
• Filed: 01/13/2010
• Issued: 08/30/2011
• Est. Priority Date: 09/14/2009
• Status: Expired due to Fees

• Current Assignee: Stabilock LLC
• Original Assignee: Midwest Industrial Door, Inc.
• Inventors: Kimener, R. Peter, Kimener, Thomas Terrance, Frank, Kenneth A.
• Primary Examiner(s): ADDIE, RAYMOND W
• Application Number:
  US12/686,452
• Publication Number:
  US 20110061184A1
• Time in Patent Office: 594 Days
• Field of Search: 14 695- 725
• US Class Current: 14/71.1
• CPC Class Codes: B65G 69/2817 with fluid-operated means
• CPC Class Codes: B65G 69/2823 extensible by pivoting parts
• CPC Class Codes: B65G 69/2876 Safety or protection means, e.g. skirts
• CPC Class Codes: Y10S 277/921 Closure or weather strip seal

Abstract

A repositionable loading dock pit seal panel comprising: (a) a repositionable pit seal panel including a substantially incompressible height and width sized to substantially span an entire vertical dimension and substantially span an entire widthwise dimension of a loading dock pit to substantially close off a cross-sectional area of the loading dock pit when the repositionable pit seal panel is in a barrier position, where the repositionable pit seal panel is repositionably mounted to at least one of an overhead door, a surface partially defining the loading dock pit, and a surface adjacent to the loading dock pit, where the repositionable pit seal panel is repositionable between the barrier position inhibiting horizontal use of a vertically stored dock leveler and a storage position allowing horizontal use of the vertically stored dock leveler, where the repositionable pit seal panel in the barrier position cooperates with the overhead door to close off a loading dock opening defined by a loading dock doorway and the cross-sectional area of the loading dock pit, and where the width of the repositionable pit seal panel is less than a width of a bottom section of the overhead door.

Claims

1. A repositionable loading dock pit seal panel comprising:

a repositionable pit seal panel including a substantially incompressible height and width sized to substantially span an entire vertical dimension and substantially span an entire widthwise dimension of a loading dock pit to substantially close off a cross-sectional area of the loading dock pit when the repositionable pit seal panel is in a barrier position;

wherein the repositionable pit seal panel is repositionably mounted to at least one of an overhead door a surface partially defining the loading dock pit, and a surface adjacent to the loading dock pit;

wherein the repositionable pit seal panel is repositionable between the barrier position inhibiting horizontal use of a vertically stored dock leveler and a storage position allowing horizontal use of the vertically stored dock leveler;

wherein the repositionable pit seal panel in the barrier position cooperates with the overhead door to close off a loading dock opening defined by a loading dock doorway and the cross-sectional area of the loading dock pit; and

wherein the width of the repositionable pit seal panel is less than a width of a bottom section of the overhead door.

2. The repositionable loading dock pit seal panel of claim 1, wherein the repositionable pit seal panel includes a front wall spaced apart and extending substantially in parallel to a rear wall, the front wall is joined to the rear wall by at least one interposing wall.

3. The repositionable loading dock pit seal panel of claim 2, wherein:

the at least one interposing wall comprises a plurality of interposing walls; and

at least one of the plurality of interposing walls includes a wall extending substantially perpendicularly to both the front wall and the rear wall.

4. The repositionable loading dock pit seal panel of claim 2, wherein:

the at least one interposing wall comprises a plurality of interposing walls; and

at least one of the plurality of interposing walls includes a wall angled other than perpendicularly with respect to both the front wall and the rear wall.

5. The repositionable loading dock pit seal panel of claim 1, wherein:

the repositionable pit seal panel includes a front wall spaced apart and extending substantially in parallel to a rear wall, the front wall being joined to the rear wall by at least one interposing wall; and

the repositionable loading dock pit seal panel is fabricated from extruded plastic.

6. The repositionable loading dock pit seal panel of claim 1, wherein:

a top of the repositionable loading dock pit seal panel includes a longitudinal projection extending substantially the entire width of the repositionable loading dock pit seal panel; and

the longitudinal projection is shaped to be received within a longitudinal cavity formed within the bottom section of the overhead door.

7. The repositionable loading dock pit seal panel of claim 1, wherein:

a top of the repositionable loading dock pit seal panel includes a longitudinal groove extending substantially the entire width of the repositionable loading dock pit seal panel; and

the longitudinal groove is shaped to receive a longitudinal projection extending from the bottom section of the overhead door.

8. The repositionable loading dock pit seal panel of claim 1, further comprising weatherstripping mounted about at least a portion of a perimeter of the repositionable loading dock pit seal panel, wherein the weatherstripping and the repositionable pit seal panel completely spans the entire widthwise dimension of the loading dock pit.

9. The repositionable loading dock pit seal panel of claim 8, wherein the perimeter includes right, left, and bottom walls of the repositionable loading dock pit seal panel.

10. The repositionable loading dock pit seal panel of claim 1, further comprising a mechanical connection extending between the repositionable pit seal panel and the vertically stored dock leveler, where repositioning of the vertically stored dock leveler between a vertical default position and a horizontal use position engages the mechanical connection to reposition the repositionable pit seal panel between the barrier position and the storage position.

11. The repositionable loading dock pit seal panel of claim 10, wherein the mechanical connection includes a cable operatively engaging at least one pulley.

12. The repositionable loading dock pit seal panel of claim 10, wherein the mechanical connection includes a linkage bar concurrently mounted to the repositionable pit seal panel and the vertically stored dock leveler.

13. The repositionable loading dock pit seal panel of claim 1, wherein:

the repositionable pit seal panel is repositionably mounted to the overhead door;

the repositionable pit seal panel is pivotally mounted to the overhead door and repositionable between a coplanar orientation in its barrier position and a non-coplanar orientation in its storage position; and

the repositionable pit seal panel is removed from the loading dock pit when in its storage position.

14. The repositionable loading dock pit seal panel of claim 13, further comprising:

a motor operatively coupled to both the repositionable pit seal panel and the overhead door, the motor operative to reposition the repositionable pit seal panel between its co-planar orientation and non-coplanar orientation with respect to the overhead door.

15. The repositionable loading dock pit seal panel of claim 1, further comprising:

a motor operatively coupled to both the repositionable pit seal panel and at least one surface partially defining the loading dock pit, the motor operative to reposition the repositionable pit seal panel between its barrier position and its storage position.

16. The repositionable loading dock pit seal panel of claim 1, wherein:

the repositionable pit seal panel is repositionably mounted to a surface partially defining the loading dock pit; and

the repositionable pit seal panel remains within the loading dock pit when in its storage position.

17. The repositionable loading dock pit seal panel of claim 1, further comprising weather stripping extending from at least one of a left side and a right side demarcating the width of the repositionable pit seal panel.

18. The repositionable loading dock pit seal panel of claim 1, wherein a bottom of the repositionable pit seal panel includes a projection adapted to be received within a cavity extending into a floor of the loading dock pit.

19. The repositionable loading dock pit seal panel of claim 1, further comprising a roller mounted to one of the vertically stored dock leveler and the repositionable pit seal panel, wherein the roller is adapted to be selectively contacted by the other of the vertically stored dock leveler or the repositionable pit seal panel to reposition the repositionable pit seal panel toward the barrier position when the vertically stored dock leveler is repositioned toward a vertical default storage position.

20. A repositionable loading dock pit seal panel comprising a substantially rigid repositionable pit seal panel occupying a rectangular area and including a top wall, a bottom wall, a left side, a right side, and a front wall extending between the left and right sides and between the top wall and the bottom wall, the front wall spaced apart from a rear wall by an intermediary wall, the substantially rigid repositionable pit seal panel including a widthwise dimension substantially spanning a widthwise dimension of a loading dock pit, the substantially rigid repositionable pit seal panel including a height substantially spanning a depth of a loading dock pit, the top wall including at least one of a keyway and a key extending longitudinally in parallel with the bottom wall and adapted to engage the bottom of an overhead door, the repositionable pit seal panel having mounted thereto a repositioning device to facilitate repositioning of the repositionable pit seal panel between a vertical barrier position and a non-vertical storage position.