US3670899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail connection
Assignee: Rio Tinto Switzerland AG
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Filing: 1969-11-14
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Granted: 1972-06-20
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Expires: 1989-11-14
Abstract
Abstract A rail connection arrangement comprising a rail, a support arranged substantially perpendicularly to the rail and comprising a holding device provided with slot means and an exterior thread, the support also comprising a spacer with a portion having an interior thread engaged by said exterior thread, the rail being received in the slot means and fixedly held therein between the holding device and the spacer, the portion of the spacer having the interior thread is made of a material which is harder than that of the remainder of the parts in the above combination.
Inventors
- 👤 Hans Kronenberg
- 👤 Dionys Gmur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:05
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/02; E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7416; E04B2/7433; F16B12/40; A; A47; A47B; A47B87/00; A47B87/02; A47B87/0207; A47B87/0223; A47B2087/023; A47B2087/0238; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
164 words
The combination with rail means, rail support means arranged substantially perpendicularly to said rail means and comprising holding means, defining slots and having an exterior thread at the end part thereof, said support means also comprising hollow spacer means, said rail means being received in said slots and fixedly held therein between said holding means and said spacer means, the end portion of said spacer means terminating flat, and an insert in said end portion terminating near said flat termination of said end portion and being of a material harder than that of the remainder of said spacer means and carrying an internal thread engaging said exterior thread, said rail means being provided with at least one notch extending transversely to the longitudinal axis of said rail means, and said holding means being provided with an annular depression adjacent its exterior thread, said insert including an annular rib protruding axially towards said holding means and being received in said annular depression and said notch.
Claim 2
Dependent Claim
164 words
The combination with rail means, rail support means arranged substantially perpendicularly to said rail means and comprising holding means, defining slots and having an exterior thread at the end part thereof, said support means also comprising hollow spacer means, said rail means being received in said slots and fixedly held therein between said holding means and said spacer means, the end portion of said spacer means terminating flat, and an insert in said end portion terminating near said flat termination of said end portion and being of a material harder than that of the remainder of said spacer means and carrying an internal thread engaging said exterior thread, said rail means being provided with at least one notch extending transversely to the longitudinal axis of said rail means, and said holding means being provided with an annular depression adjacent its exterior thread, said insert including an annular rib protruding axially towards said holding means and being received in said annular depression and said notch.
Claim 3
Dependent Claim
203 words
The combination with rail means, rail support means arranged substantially perpEndicularly to said rail means and comprising hollow holding means, defining slots which intersect the end face of an end part thereof, said holding means having an exterior thread at said end part, said support means also comprising hollow spacer means, said rail means being received in said slots and fixedly held therein between said holding means and said spacer means, the end portion of said spacer means terminating flat, and an insert in said end portion terminating near said flat termination of said end portion and being of a material harder than that of the remainder of said spacer means and carrying an internal thread engaging said exterior thread, and said insert further comprising means disposed inside said holding means and engaging said end part thereof, thereby restraining the inward radial movements of said end part, said rail means being provided with at least one notch extending transversely to the longitudinal axis of said rail means, and said holding means being provided with an annular depression adjacent its exterior thread, said insert carrying an annular rib protruding axially toward said holding means and being received in said annular depression and said notch.
Claim 4
Dependent Claim
203 words
The combination with rail means, rail support means arranged substantially perpEndicularly to said rail means and comprising hollow holding means, defining slots which intersect the end face of an end part thereof, said holding means having an exterior thread at said end part, said support means also comprising hollow spacer means, said rail means being received in said slots and fixedly held therein between said holding means and said spacer means, the end portion of said spacer means terminating flat, and an insert in said end portion terminating near said flat termination of said end portion and being of a material harder than that of the remainder of said spacer means and carrying an internal thread engaging said exterior thread, and said insert further comprising means disposed inside said holding means and engaging said end part thereof, thereby restraining the inward radial movements of said end part, said rail means being provided with at least one notch extending transversely to the longitudinal axis of said rail means, and said holding means being provided with an annular depression adjacent its exterior thread, said insert carrying an annular rib protruding axially toward said holding means and being received in said annular depression and said notch.
Claim 5
Dependent Claim
146 words
The combination with rail means, rail support means arranged substantially perpendicularly to said rail means and comprising hollow holding means, defining slots which intersect the end face of an end part thereof, said holding means having an exterior thread at said end part, said support means also comprising hollow spacer means, said rail means being received in said slots and fixedly held therein between said holding means and said spacer means, the end portion of said spacer means terminating flat, and an insert in said end portion terminating near said flat termination of said end portion and being of a material harder than that of the remainder of said spacer means and carrying an internal thread engaging said exterior thread, and said insert further comprising means disposed inside said holding means and engaging said end part, thereby restraining the inward radial movements of said end part.
Claim 6
Dependent Claim
146 words
The combination with rail means, rail support means arranged substantially perpendicularly to said rail means and comprising hollow holding means, defining slots which intersect the end face of an end part thereof, said holding means having an exterior thread at said end part, said support means also comprising hollow spacer means, said rail means being received in said slots and fixedly held therein between said holding means and said spacer means, the end portion of said spacer means terminating flat, and an insert in said end portion terminating near said flat termination of said end portion and being of a material harder than that of the remainder of said spacer means and carrying an internal thread engaging said exterior thread, and said insert further comprising means disposed inside said holding means and engaging said end part, thereby restraining the inward radial movements of said end part.
Claim 7
Dependent Claim
23 words
The combination of claim 3, wherein said insert is composed of steel and the remainder of said spacer means composed of aluminum alloy.
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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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |