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US4821786A Expired / Lapsed US ⏱️ 0.0 years remaining

Reelable door closure

Assignee: KALBER CAROL
•
Filing: 1987-09-04
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Granted: 1989-04-18
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Expires: 2007-09-04
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Abstract

Abstract A closure structure for covering a door opening includes a recoilable spool of closure material, such as plastic or screen cloth, which closure material moves horizontally across a doorway and is stabilized by a top track hanger and a vertically extending locking and stabilizing member secured to the free end of the closure material.

Inventors

  • 👤 Bernard A. Johnston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:34
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; E06B9/54; E06B9/24; E06B9/40; E06B9/56; E06B9/58; E06B9/582; E06B2009/543

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 298 words
The reelable door closure comprising a door frame having spaced apart, vertically extending jambs having inner and outer edges and a cross member top interconnecting said jambs, a vertically elongated box secured to one of said jambs and equipped with upper and lower spool supports, a spool of door closure material reelably mounted in said supports, said box including a first angle element having first and second arm portions, said first arm portion being secured to said one jamb and said second arm portion extending toward the other of said jambs from adjacent the outer edge of said one jamb, said first arm portion having a free edge equipped with rib means defining a slot, said box including a second angle element having third and fourth arm portions cooperating with said first and second arm portions in defining said box, said third arm portion being having a free edge equipped with rib means engaging said slot, said second and fourth arm portions having free ends each equipped with rib means arranged in spaced apart relation to provide a passage for said closure material when being unreeled toward the other of said jambs, a locking and stabilizing member attached to the free end of said closure material and having means cooperable with said other of said jambs for releasable magnetic locking engagement, said locking and stabilizing member being equipped with four wheels at the upper end thereof, a track hanger secured to said cross member top and having opposed internal guide means suspendingly mounting said wheels, said track hanger being equipped with depending tongue portions for engaging said closure material and providing an elongated opening for said closure material to pass whereby said track hanger spool and locking and stabilizing member cooperate to provide a taut, readily operable closure.
Claim 2
Dependent Claim 298 words
The reelable door closure comprising a door frame having spaced apart, vertically extending jambs having inner and outer edges and a cross member top interconnecting said jambs, a vertically elongated box secured to one of said jambs and equipped with upper and lower spool supports, a spool of door closure material reelably mounted in said supports, said box including a first angle element having first and second arm portions, said first arm portion being secured to said one jamb and said second arm portion extending toward the other of said jambs from adjacent the outer edge of said one jamb, said first arm portion having a free edge equipped with rib means defining a slot, said box including a second angle element having third and fourth arm portions cooperating with said first and second arm portions in defining said box, said third arm portion being having a free edge equipped with rib means engaging said slot, said second and fourth arm portions having free ends each equipped with rib means arranged in spaced apart relation to provide a passage for said closure material when being unreeled toward the other of said jambs, a locking and stabilizing member attached to the free end of said closure material and having means cooperable with said other of said jambs for releasable magnetic locking engagement, said locking and stabilizing member being equipped with four wheels at the upper end thereof, a track hanger secured to said cross member top and having opposed internal guide means suspendingly mounting said wheels, said track hanger being equipped with depending tongue portions for engaging said closure material and providing an elongated opening for said closure material to pass whereby said track hanger spool and locking and stabilizing member cooperate to provide a taut, readily operable closure.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-04-17 1992-10-17 1993-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-04-17 1996-10-17 1997-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-04-17 2000-10-17 2001-04-18 $7700.00 Window Closed / Lapsed

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