Patent US3869086A successfully refreshed from Google Patents.
US3869086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable track assembly
Assignee: Individual
•
Filing: 1971-12-22
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Granted: 1975-03-04
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Expires: 1991-12-22
Abstract
Abstract An adjustable track assembly providing a pair of wedges with interlocking teeth superimposed on each other within a housing and combined with removable flanged snap bead covers for supporting a track that bears carriages for files or cabinets. The position of the wedges on each other may be adjusted to keep the track perfectly level over relatively long distances.
Inventors
- 👤 Donald T Heaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:10
CPC Classifications
A; A47; A47B; A47B53/00; A47B53/02; B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/10; E; E01; E01B; E01B25/00; E01B9/00; E01B9/66
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
154 words
A track assembly for supporting a track bearing a carriage for files and cabinets, comprising: a housing with a base having an abutment formed in its center portion with a longitudinal rib on its top surface and with two opposite side walls each having a longitudinal groove and an inward taper at the top portion of their inner surfaces and having a longitudinal groove formed at the top portion of each of their outer walls; and a pair of wedge members each having a series of rows of teeth formed on the surfaces of their longest sides, said teeth interlocking with each other when said longest sides of said wedge members are superimposed, each of said wedge members having a groove formed in one of their remaining sides to receive said longitudinal rib of said abutment of said housing; whereby said track assembly can be adjusted to maintain said track in a level position.
Claim 2
Dependent Claim
154 words
A track assembly for supporting a track bearing a carriage for files and cabinets, comprising: a housing with a base having an abutment formed in its center portion with a longitudinal rib on its top surface and with two opposite side walls each having a longitudinal groove and an inward taper at the top portion of their inner surfaces and having a longitudinal groove formed at the top portion of each of their outer walls; and a pair of wedge members each having a series of rows of teeth formed on the surfaces of their longest sides, said teeth interlocking with each other when said longest sides of said wedge members are superimposed, each of said wedge members having a groove formed in one of their remaining sides to receive said longitudinal rib of said abutment of said housing; whereby said track assembly can be adjusted to maintain said track in a level position.
Claim 3
Dependent Claim
21 words
A track assembly according to claim 1 in which the wedges members have the cross section of a 30*-60* right triangle.
Claim 4
Dependent Claim
21 words
A track assembly according to claim 1 in which the wedge members have the cross section of a 45* right triangle.
Claim 5
Dependent Claim
25 words
A track assembly according to claim 1 in which the two opposite side walls are perpendicular to the plane of the base of the housing.
Claim 6
Dependent Claim
194 words
A track assembly for supporting a track bearing a carriage for files and cabinets, comprising: a housing with a base having an abutment formed in its center portion with a longitudinal rib on its top surface, and with two opposite side walls each having a longitudinal groove and an inward taper at the top portion of their inner surfaces and having a longitudinal groove formed at the top portion of each of their outer walls; a pair of wedge members each having a series of rows of teeth formed on the surfaces of their longest sides, said teeth interlocking with each other when said longest sides of said wedge members are superimposed, each of said wedge members having a groove formed in one of their remaining sides to receive said longitudinal rib of said abutment of said housing; and at least one removable snap bead cover member having a middle flanged portion with a longitudinal bead at its outer end, said bead snap fitting into said longitudinal groove of said inner surface of said side walls of said housing, whereby said track assembly can be adjusted to maintain said track in a level position.
Claim 7
Dependent Claim
194 words
A track assembly for supporting a track bearing a carriage for files and cabinets, comprising: a housing with a base having an abutment formed in its center portion with a longitudinal rib on its top surface, and with two opposite side walls each having a longitudinal groove and an inward taper at the top portion of their inner surfaces and having a longitudinal groove formed at the top portion of each of their outer walls; a pair of wedge members each having a series of rows of teeth formed on the surfaces of their longest sides, said teeth interlocking with each other when said longest sides of said wedge members are superimposed, each of said wedge members having a groove formed in one of their remaining sides to receive said longitudinal rib of said abutment of said housing; and at least one removable snap bead cover member having a middle flanged portion with a longitudinal bead at its outer end, said bead snap fitting into said longitudinal groove of said inner surface of said side walls of said housing, whereby said track assembly can be adjusted to maintain said track in a level position.
Claim 8
Dependent Claim
21 words
A track assembly according to claim 5 in which the wedge members have the cross section of a 30*-60* right triangle.
Claim 9
Dependent Claim
21 words
A track assembly according to claim 5 in which the wedge members have the cross section of a 45* right triangle.
Claim 10
Dependent Claim
25 words
A track assembly according to claim 5 in which the two opposite side walls are perpendicular to the plane of the base of the housing.
Claim 11
Dependent Claim
194 words
A track assembly for supporting a track bearing a carriage for files and cabinets, comprising: a housing with a base having an abutment formed in its center portion with two longitudinal ribs on its top surface, and with two opposite side walls each having a longitudinal groove and an inward taper at the top portion of their inner surfaces and having a longitudinal groove formed at the top portion of each of their outer walls; a pair of wedge members each having a series of rows of teeth formed on the surfaces of their longest sides, said teeth interlocking with each other when said longest sides of said wedge members are superimposed, each of said wedge members having a groove formed in one of their remaining sides to receive said longitudinal ribs of said abutment of said housing; and two removable snap bead cover members each having a middle flanged portion with a longitudinal bead at their outer ends, said beads each snap fitting into said longitudinal groove of said inner surface of said side walls of said housing; whereby said track assembly can be adjusted to maintain said track in a level position.
Claim 12
Dependent Claim
194 words
A track assembly for supporting a track bearing a carriage for files and cabinets, comprising: a housing with a base having an abutment formed in its center portion with two longitudinal ribs on its top surface, and with two opposite side walls each having a longitudinal groove and an inward taper at the top portion of their inner surfaces and having a longitudinal groove formed at the top portion of each of their outer walls; a pair of wedge members each having a series of rows of teeth formed on the surfaces of their longest sides, said teeth interlocking with each other when said longest sides of said wedge members are superimposed, each of said wedge members having a groove formed in one of their remaining sides to receive said longitudinal ribs of said abutment of said housing; and two removable snap bead cover members each having a middle flanged portion with a longitudinal bead at their outer ends, said beads each snap fitting into said longitudinal groove of said inner surface of said side walls of said housing; whereby said track assembly can be adjusted to maintain said track in a level position.
Claim 13
Dependent Claim
21 words
A track assembly according to claim 9 in which the wedge members have the cross section of a 30*-60* right triangle.
Claim 14
Dependent Claim
21 words
A track assembly according to claim 9 in which the wedge members have the cross section of a 45* right triangle.
Claim 15
Dependent Claim
33 words
A track assembly according to claim 9 in which the wedge members have the cross section of a right triangle whose remaining angles range from 30* to 60* to 45* and 45* respectively.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |