Patent US846451A successfully refreshed from Google Patents.
Patent US4201019A successfully refreshed from Google Patents.
US4201019A
Expired / Lapsed
US
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Greenhouses
Assignee: LINKMAN BUILDING CO Ltd
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Filing: 1978-07-14
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Granted: 1980-05-06
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Expires: 1998-07-14
Abstract
Abstract A greenhouse having a ridge member of hollow section with a T-slot in its underside from which T-bolts depend for the connection of corner jointing brackets to which endmost glazing bars are bolted.
Inventors
- 👤 Colin Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:32
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
84 words
In a greenhouse, a ridge member of hollow section; a T-slot in the underside of the ridge member; respective corner jointing brackets disposed at opposite ends of the ridge member and secured thereto by T-bolts depending from the T-slot; and pairs of endmost sloping glazing bars secured to said jointing brackets, said respective corner jointing brackets being provided with pairs of shallow projections flanking respective holes through which the T-bolts extend, said projections engaging the mouth of the T-slot to stiffen the resulting joints.
Claim 2
Dependent Claim
84 words
In a greenhouse, a ridge member of hollow section; a T-slot in the underside of the ridge member; respective corner jointing brackets disposed at opposite ends of the ridge member and secured thereto by T-bolts depending from the T-slot; and pairs of endmost sloping glazing bars secured to said jointing brackets, said respective corner jointing brackets being provided with pairs of shallow projections flanking respective holes through which the T-bolts extend, said projections engaging the mouth of the T-slot to stiffen the resulting joints.
Claim 3
Dependent Claim
105 words
In a greenhouse according to claim 1, and including upright sections in end walls of the greenhouse and respective gutter sections connecting lower ends of the pairs of sloping glazing bars, the joints between the upright sections and the endmost sloping glazing bars and the joints between the respective gutter sections and the lower ends of said sloping glazing bars being effected by T-bolts engaging respective jointing brackets each of which is provided with a pair of shallow projections flanking each hole through which a T-bolt is to extend, each pair of projections being engaged in the mouth of a T-slot in the section concerned.
Claim 4
Dependent Claim
39 words
In a greenhouse according to claim 3, at least one of the brackets connecting the endmost sloping glazing bars to a respective gutter section being provided with a cover piece for blanking off one end of said gutter section.
Claim 5
Dependent Claim
56 words
In a greenhouse according to claim 3, at least one of the brackets connecting the endmost sloping glazing bars to a respective gutter section being provided with an integral element constituting a blanked off extension piece for one end of said gutter section, the extension piece being provided for the connection of a rainwater drain pipe.
References Cited (Backward Citations)
US3340657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |