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US 5,349,790 AGranted
Roof pipe entry hatch
AssigneeLexsuco Canada Limited
InventorsKeith Beetles, David Fulford
Life of this patent
Estimating the term…
Abstract
A roof pipe entry hatch which includes side walls defining an opening, a cover hinged to one end of the side walls exteriorally of the opening, and a plurality of apertures presented by the side walls for receiving pipes from the exterior of the side walls into the opening, or handling pipes from the interior to the exterior of the building.
Claims18
In a roof conduit entry hatch including:
- (a) vertically upstanding side wall means defining an opening;
- (b) a cover hinged to one end of said side wall means exteriorally of said opening;
- (c) aperture means disposed on vertically upstanding said side wall means for fixedly receiving conduits horizontally disposed through vertically upstanding side wall means and through said opening;
- (d) sealing means for sealing the interior of said roof conduit hatch against weather;
- (e) whereby said cover permits roof entry into said opening for access to said conduit means when said cover is in an open position and whereby said cover bars access to said opening and said conduits where said cover is in a closed position;
- (f) said aperture means including a horizontally projecting circumferential edge extending exteriorally from said vertically upstanding side wall means so as to enhance sealing between said aperture means and said conduits.
3 more elements
In a roof entry hatch for receiving a plurality of pipe means through an opening in a horizontal roof deck comprising:
- (a) vertically upstanding side wall means defining a curb for enclosing said opening in said roof;
- (b) means for fastening said curb to said roof;
- (c) a plurality of pipe entry openings presented by said vertically upstanding curb for fixedly receiving a plurality of pipe means disposed horizontally through said curb and then vertically downwardly to said opening in said roof deck;
- (d) a cover hinged to one end of said curb moveable between an open position to permit roof entry to said opening and access to said pipe means to facilitate inspection, repair and maintenance of said pipe means from said roof and a closed position so as to bar access to said opening and said pipe means;
- (e) sealing means for sealing the interior of said roof entry hatch against weather;
- (f) said plurality of pipe entry openings each including a horizontally projecting circumferential edge extending both interiorally and exteriorally from said vertically upstanding curb so as to enhance sealing between said plurality of pipe means and said plurality of pipe entry means.
3 more elements
Dependencies are inferred from the claim text.