Patent US3902280A successfully refreshed from Google Patents.
US3902280A
Expired / Lapsed
US
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Prefabricated roofing systems
Assignee: Dominion Foundries and Steel Ltd
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Filing: 1974-11-29
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Granted: 1975-09-02
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Expires: 1994-11-29
Abstract
Abstract In a prefabricated roofing system using steel members and intended for rapid fabrication locating means such as vertical protruding pins are provided on each of two parallel end walls, and a longitudinal roof truss member is mounted on these pins extending between the two walls. Gable members are then mounted over the locating means in register with the walls and are then locked to the adjacent ends of the roof truss member.
Inventors
- 👤 Lynn Michael Spoar
- 👤 Andrew Steven Zakrzewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:25
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
79 words
A prefabricated roofing system comprising two spaced parallel walls, locating means disposed on each wall, a longitudinal roof truss member extending between and supported by the two walls, and engaging the said locating means at its opposite ends to locate the truss member in position relative to the walls, and two gable members each registerable with one of the walls and engaging the said locating means, and means for locking together each gable member and its adjacent truss end.
Claim 2
Dependent Claim
79 words
A prefabricated roofing system comprising two spaced parallel walls, locating means disposed on each wall, a longitudinal roof truss member extending between and supported by the two walls, and engaging the said locating means at its opposite ends to locate the truss member in position relative to the walls, and two gable members each registerable with one of the walls and engaging the said locating means, and means for locking together each gable member and its adjacent truss end.
Claim 3
Dependent Claim
53 words
A roofing system as claimed in claim 1, wherein the longitudinal truss member is provided with respective projecting end members for engagement of the truss with the locating means on the walls so as to permit location of the gable members on the walls with the truss member ends abutting the gable members.
Claim 4
Dependent Claim
53 words
A roofing system as claimed in claim 1, wherein the said locating means comprise a pair of spaced vertically-extending pins disposed centrally of the length of the respective wall, and another pair of vertically-extending pins each disposed adjacent one end of the respective wall, the central pins being longer than the other pins.
Claim 5
Dependent Claim
53 words
A roofing system as claimed in claim 2, wherein the said locating means comprise a pair of spaced vertically-extending pins disposed centrally of the length of the respective wall, and another pair of vertically-extending pins each disposed adjacent one end of the respective wall, the central pins being longer than the other pins.
Claim 6
Dependent Claim
49 words
A roofing system as claimed in claim 1, wherein means for locking together each gable member and its adjacent truss end comprise a horizontal member on the gable member engaging a bracket adjacent the top of the truss end, and means fastening the horizontal member and the bracket together.
Claim 7
Dependent Claim
49 words
A roofing system as claimed in claim 2, wherein means for locking together each gable member and its adjacent truss end comprise a horizontal member on the gable member engaging a bracket adjacent the top of the truss end, and means fastening the horizontal member and the bracket together.
Claim 8
Dependent Claim
49 words
A roofing system as claimed in claim 3, wherein means for locking together each gable member and its adjacent truss end comprise a horizontal member on the gable member engaging a bracket adjacent the top of the truss end, and means fastening the horizontal member and the bracket together.
Claim 9
Dependent Claim
78 words
A roofing system as claimed in claim 1, including roof panels extending between each immediately adjacent pair of gable members, wherein the means for securing each panel to its respective gable member comprise at least one headed pin extending generally vertically from each gable member, each pin being engageable by a respective pear-shaped aperture of the panel member, each aperture having its narrow end uppermost and of too small diameter to pass over the head of the pin.
Claim 10
Dependent Claim
78 words
A roofing system as claimed in claim 2, including roof panels extending between each immediately adjacent pair of gable members, wherein the means for securing each panel to its respective gable member comprise at least one headed pin extending generally vertically from each gable member, each pin being engageable by a respective pear-shaped aperture of the panel member, each aperture having its narrow end uppermost and of too small diameter to pass over the head of the pin.
Claim 11
Dependent Claim
78 words
A roofing system as claimed in claim 3, including roof panels extending between each immediately adjacent pair of gable members, wherein the means for securing each panel to its respective gable member comprise at least one headed pin extending generally vertically from each gable member, each pin being engageable by a respective pear-shaped aperture of the panel member, each aperture having its narrow end uppermost and of too small diameter to pass over the head of the pin.
Claim 12
Dependent Claim
78 words
A roofing system as claimed in claim 5, including roof panels extending between each immediately adjacent pair of gable members, wherein the means for securing each panel to its respective gable member comprise at least one headed pin extending generally vertically from each gable member, each pin being engageable by a respective pear-shaped aperture of the panel member, each aperture having its narrow end uppermost and of too small diameter to pass over the head of the pin.
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) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |