Patent US4785494A successfully refreshed from Google Patents.
US4785494A
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Trailer doorpost and track assembly
Assignee: RELIABLE TRAILER AND BODY Inc
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Filing: 1987-04-09
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Granted: 1988-11-22
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Expires: 2007-04-09
Abstract
Abstract Trailer doorposts are provided with removable tracks for rollers of vertically sliding doors. The tracks are provided with removable plastic inserts upon which the rollers travel. Weather stripping on the inside faces of the outer end wall of the tracks provide a seal between the doors slidable in the tracks.
Inventors
- 👤 Gregory J. Adamski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:22
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/10; B60J5/12; B60J5/14; B60J5/04; B60J5/06; B60J5/062; E; E06; E06B; E06B9/00; E06B9/56; E06B9/58
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
75 words
A trailer doorpost and track assembly comprising: a doorpost having an outer end wall; a track member having an inner end wall, an outer end wall and a web portion integral with said walls; said inner end wall of said track member having side flanges forming a U-shaped channel telescoped onto said doorpost; and a removable bearing insert for said track member and upon which travel rollers of a door slidable in said track member.
Claim 2
Dependent Claim
75 words
A trailer doorpost and track assembly comprising: a doorpost having an outer end wall; a track member having an inner end wall, an outer end wall and a web portion integral with said walls; said inner end wall of said track member having side flanges forming a U-shaped channel telescoped onto said doorpost; and a removable bearing insert for said track member and upon which travel rollers of a door slidable in said track member.
Claim 3
Dependent Claim
94 words
A trailer doorpost and track assembly comprising: a doorpost having an outer end wall; said outer end wall having opposed side flanges; a track member having an inner end wall, and outer end wall and a web portion integral with said walls; said outer end wall of said track member having opposed side flanges forming a U-shaped channel portion for connection to said side flanges of said outer wall of said doorpost; and a removable bearing insert for said track member and upon which travel rollers of a door slidable in said track member.
Claim 4
Dependent Claim
94 words
A trailer doorpost and track assembly comprising: a doorpost having an outer end wall; said outer end wall having opposed side flanges; a track member having an inner end wall, and outer end wall and a web portion integral with said walls; said outer end wall of said track member having opposed side flanges forming a U-shaped channel portion for connection to said side flanges of said outer wall of said doorpost; and a removable bearing insert for said track member and upon which travel rollers of a door slidable in said track member.
Claim 5
Dependent Claim
154 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; wherein said outer end wall of said doorpost has a channeled face portion and side flanges have indented wall portions; and said inner end wall of said track member has raised outer face portions, fitted into said channeled face portion of said outer end wall of said doorpost, and side flanges, received in said indented wall portions of said side flanges of said outer end wall of said doorpost, whereby said doorpost and said track member are interfitted together.
Claim 6
Dependent Claim
154 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; wherein said outer end wall of said doorpost has a channeled face portion and side flanges have indented wall portions; and said inner end wall of said track member has raised outer face portions, fitted into said channeled face portion of said outer end wall of said doorpost, and side flanges, received in said indented wall portions of said side flanges of said outer end wall of said doorpost, whereby said doorpost and said track member are interfitted together.
Claim 7
Dependent Claim
113 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; wherein said inner end wall of said track member has an inner face having a slot at one end and a raceway at the opposite end for receiving means for removably attaching said insert in said track member.
Claim 8
Dependent Claim
113 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; wherein said inner end wall of said track member has an inner face having a slot at one end and a raceway at the opposite end for receiving means for removably attaching said insert in said track member.
Claim 9
Dependent Claim
59 words
A trailer doorpost and track assembly according to claim 5, wherein said means comprises: a projection and recess on one side of said insert for cooperating with said slot and a projection on said inner end wall of said track member; and a flange and projection on the other opposite side of said insert and cooperating with said raceway.
Claim 10
Dependent Claim
113 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; wherein said outer end wall of said track member has an inner face having weather stripping therein for providing a seal between said outer end wall of said track member and a door slidable in said track member.
Claim 11
Dependent Claim
113 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; wherein said outer end wall of said track member has an inner face having weather stripping therein for providing a seal between said outer end wall of said track member and a door slidable in said track member.
Claim 12
Dependent Claim
94 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; said track member having a removable section facilitating installing and removing of a door slidable in said track member.
Claim 13
Dependent Claim
94 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall, and outer end wall and a web portion integral with said walls; a track member having an inner end wall, an outer end wall and a web portion joining said walls; means for connecting said track member to said doorpost; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; said track member having a removable section facilitating installing and removing of a door slidable in said track member.
Claim 14
Dependent Claim
82 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall (114) and an outer end wall (110); said inner end wall having an outer face defining a track member; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; said outer face having a slot at one end and a raceway at the opposite end for receiving means for removably attaching said insert in said track member.
Claim 15
Dependent Claim
82 words
A trailer doorpost and track assembly comprising: a doorpost having an inner end wall (114) and an outer end wall (110); said inner end wall having an outer face defining a track member; and a removable insert for said track member and upon which travel rollers of a door slidable in said track member; said outer face having a slot at one end and a raceway at the opposite end for receiving means for removably attaching said insert in said track member.
Claim 16
Dependent Claim
53 words
A trailer doorpost and track assembly according to claim 8, wherein said means comprises: a projection and recess on one side of said insert for cooperating with said slot and a projection on said outer face; and a flange and projection on the other side of said insert and cooperating with said raceway.
Claim 17
Dependent Claim
39 words
A trailer doorpost and track assembly according to claim 9, wherein an inner face of said outer end wall has weatherstripping therein for providing a seal between said outer end wall and a door slidable in said track member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-22 | 1992-05-23 | 1992-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-22 | 1996-05-23 | 1996-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-22 | 2000-05-23 | 2000-11-22 | $7700.00 | Window Closed / Lapsed |