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US 7,017,643 B2Granted
Guard assembly and handrail for use with overhead doors
AssigneeNone recorded
InventorGrant Leum
Life of this patent
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AssigneeNone recorded
InventorGrant Leum
Estimating the term…
A guard assembly is used near a doorway with an overhead door on a platform having at least one post mounted adjacent the doorway. The assembly preferably comprises a barrier adapted to extend across the doorway and having at least one coupling which is adapted to connect to a respective post to allow the barrier to block the doorway; and a bracket adapted to facilitate connection and disconnection between the barrier and the overhead door. Such an assembly allows the barrier to block the doorway whether connected to or disconnected from the door and to move with the door as the door opens and closes.
A guard assembly for use near a doorway on a platform, the doorway receiving an overhead door, the platform having at least one post mounted adjacent the doorway, the assembly comprising:
A guard assembly for use near a doorway on a platform, the doorway receiving an overhead door, the platform having at least one post mounted adjacent the doorway, the assembly comprising:
A doorway and safety assembly comprising:
A guard assembly for use near a doorway on a platform having at least one post mounted adjacent the doorway, the doorway having a track and receiving an overhead door movable on the track, the assembly comprising:
A guard assembly for use near a doorway on a platform, the doorway receiving an overhead door, the platform having at least one post mounted adjacent the doorway, the assembly comprising:
A doorway and safety assembly comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Means for allowing passage through fences, barriers or the like
Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating…:…
Fixed or movable closures for openings in buildings, vehicles, fences or like
Term ended 9 Jun 2023 (estimated)
The invention relates to the field of overhead doors, and, more particularly, to overhead doors used on raised loading docks.
Typically loading docks include a raised dock for the loading and unloading of materials which often come in large quantities and are carried by wooden pallets. Most docks have doorways with overhead doors that provide access to a garage or similar type of building. These overhead doors are similar to garage doors found in most domestic homes and may be operated manually or automatically.
In many cases, a dock leveler is mounted in a pit in the loading dock in front of the doorway and operation of the dock leveler will serve to bridge the gap between the loading dock and a truck parked in front of the dock so that personnel and material handling equipment, such as a forklift truck, can conveniently move between the loading dock and the truck bed.
The drawings illustrate preferred embodiments which include the above-noted characteristics and features of the invention. The invention will be readily understood from the descriptions and from the drawings, in which:
FIG. 1 is a front view of the guard assembly in accordance with the invention.
FIG. 2 overhead view of a barrier in connection with the posts and door in accordance with the invention.
Referring to FIGS. 1 and 2, details of the guard assembly 10 for use near a doorway 102 on a platform 110 will be set forth. The guard assembly 10 includes a barrier 20 which can be connected to a door 100 and coupled to at least one post 120 near the doorway 102. The posts 120 are preferably mounted to the platform 110 near doorway 102 and equidistant from wall 106 and may be supported by at least one truss 122. Trusses 122 preferably join the posts to form shoulders 124 which can support barrier 20 when barrier 20 and posts 120 are coupled.
Barrier 20 includes a guard rail 23 and preferably has couplings 30 at each end 21,22 to couple with posts 120. Couplings 30 are preferably sleeves which are formed to slide around posts 120 such that each post 120 is received within a coupling 30. In certain embodiments, uprights 24 extend substantially vertically from barrier 20 and a hand rail 26 preferably extends between the distal ends 25 of uprights 24. Also connected with respect to uprights 24 are upper couplings 32 which, like guard coupling 31, are sleeves which are dimensioned to receive posts 120 therein.
Hand rail 26 preferably includes a roller 27 at each end to contact track 130 to which door 100 is mounted. Hand rail 26 is preferably compliant with work environment requirements pertaining to railings such as OSHA 1910.23 which requires that certain types, sizes and arrangements of railing construction have a smooth-surfaced top rail at a height above floor, platform, runway or ramp level of 42 inches nominal, have a strength to withstand at least the minimum requirement of 200 pounds top rail pressure, and include protection between the top rail and the floor, platform, runway, ramp or stair treads equivalent to at least that afforded by a standard intermediate rail.