Patent US4604523A successfully refreshed from Google Patents.
Patent US3847489A successfully refreshed from Google Patents.
US3847489A
Expired / Lapsed
US
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Novel fastener device
Assignee: RIPER R VAN
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Filing: 1973-08-13
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Granted: 1974-11-12
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Expires: 1993-08-13
Abstract
Abstract A fastener device useful in clamping rail members to support posts is disclosed. The device has a main portion which is slidable into a hollow rail member and a second portion which is attachable to a remote anchor block located within the support post. The resulting assembly has a high degree of versatility and adjustability.
Inventors
- 👤 Riper R Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:48
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/54; E; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1447; E04H17/146; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32532; Y10T403/70; Y10T403/7001; Y10T403/71; Y10T403/7194
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A locking device for clamping a rail member to a support member comprising an anchor block and a lock block, said anchor block being adapted to be inserted into a hollow slotted support member and including means on said anchor block for receiving said lock block through said slot, said lock block having a portion thereof adapted to be insertable into a hollow slotted rail member and comprising two main portions, one of said portions being a neck portion having a locking surface and adapted to being disposed within said rail member and the other portion being a lock portion having a locking surface and adapted to be disposed outside of said rail member, fastener means on said lock portion of said lock block communicating with said anchor block, said two locking surfaces being disposed from one another a distance which corresponds substantially to the thickness of the portion of said rail member being clamped to said support member.
Claim 2
Dependent Claim
159 words
A locking device for clamping a rail member to a support member comprising an anchor block and a lock block, said anchor block being adapted to be inserted into a hollow slotted support member and including means on said anchor block for receiving said lock block through said slot, said lock block having a portion thereof adapted to be insertable into a hollow slotted rail member and comprising two main portions, one of said portions being a neck portion having a locking surface and adapted to being disposed within said rail member and the other portion being a lock portion having a locking surface and adapted to be disposed outside of said rail member, fastener means on said lock portion of said lock block communicating with said anchor block, said two locking surfaces being disposed from one another a distance which corresponds substantially to the thickness of the portion of said rail member being clamped to said support member.
Claim 3
Dependent Claim
43 words
The device of claim 1 wherein said means on the anchor block is a threaded tap hole and said fastener means on said lock block is a screw threaded correspondingly with said tap hole and inserted through a hole in said lock block.
Claim 4
Dependent Claim
53 words
The device of claim 2 wherein the anchor block and lock block are adapted to be inserted into a rail member and a support member which are generally hollow elongated tube-like structures having a slot present in each of said rail and support member to receive said anchor block and said lock block.
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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) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |