US3859767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner structure improvement and method
Assignee: Mark Twain Bank
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Filing: 1973-10-31
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Granted: 1975-01-14
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Expires: 1993-10-31
Abstract
Abstract An improvement in three-dimensional corner constructions wherein a three-member or three-legged corner spline is used to reinforce the abutment and proximate positioning of three elongate members forming edges meeting at a common corner. Specifically, a threelegged spline is employed and is designed to have proximate squared edges, with these edges being joined together by specialized welding techniques such that the weld area does not extend essentially past the surface projections of the splined members or legs employed. The reinforcing splined structure, hence, is suitable for very rapid manufacture, particularly so since grinding or filing weld areas is not required.
Inventors
- 👤 John E Aspenwall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:06
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; A; A47; A47B; A47B47/00; A47B47/0008; A47B2220/00; A47B2220/11; A47B2230/00; A47B2230/01; F16B12/00; F16B12/44; F16B2012/446; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/47; Y10T403/477; Y10T403/55; Y10T403/555
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
72 words
A three-legged totally concealed spline structure comprising first, second, and third members longitudinally arranged on three separate respective axes and having squared ends, respective ones of said squared ends being mutually proximately placed to mutually form an open corner, said respective ends being welded together at said open corner, by weld means being included solely within said open corner, such that said elongate members are held in a predetermined, three-dimensional angLe configuration.
Claim 2
Dependent Claim
72 words
A three-legged totally concealed spline structure comprising first, second, and third members longitudinally arranged on three separate respective axes and having squared ends, respective ones of said squared ends being mutually proximately placed to mutually form an open corner, said respective ends being welded together at said open corner, by weld means being included solely within said open corner, such that said elongate members are held in a predetermined, three-dimensional angLe configuration.
Claim 3
Dependent Claim
21 words
Structure according to claim 1 wherein the weld region is confined to that open corner as formed by said elongate members.
Claim 4
Independent Claim
68 words
A method of fabricating a three-legged reinforcing spline structure comprising the steps of: providing first, second, and third elongate members; positioning said elongate members to form a three-dimensional angle configuration that defines an open, weld-receiving corner; and then welding said elongate members together at said corner in a manner such that the weld region formed thereby does not extend past the axial surface extensions of said elongate members.
Claim 5
Independent Claim
68 words
A method of fabricating a three-legged reinforcing spline structure comprising the steps of: providing first, second, and third elongate members; positioning said elongate members to form a three-dimensional angle configuration that defines an open, weld-receiving corner; and then welding said elongate members together at said corner in a manner such that the weld region formed thereby does not extend past the axial surface extensions of said elongate members.
Claim 6
Dependent Claim
138 words
A three-dimensional closed corner structure comprising first, second, and third elongate edge members, said edge members having mitered ends mutually abuttingly engaging each other and thereby forming of themselves a closed three-dimensional corner, each of said elongate members including indentations, adapted to receive translucent panels, and also a longitudinally oriented, splinereceiving cylindrical aperture; a three-legged reinforcing spline structure comprising first, second, and third cylindrical rodlike spline members, mutually forming an open corner and welded solely within said open corner, respectively disposed in said apertures and dimensioned to enable mutual abutment of said mitered ends of said edge members to self-form a closed corner; and screw means interior of said closed corner threaded into said edge members for fixedly securing said spline members thereto, whereby to retain the corner formed by said edge members and said spline members intact.
Claim 7
Dependent Claim
138 words
A three-dimensional closed corner structure comprising first, second, and third elongate edge members, said edge members having mitered ends mutually abuttingly engaging each other and thereby forming of themselves a closed three-dimensional corner, each of said elongate members including indentations, adapted to receive translucent panels, and also a longitudinally oriented, splinereceiving cylindrical aperture; a three-legged reinforcing spline structure comprising first, second, and third cylindrical rodlike spline members, mutually forming an open corner and welded solely within said open corner, respectively disposed in said apertures and dimensioned to enable mutual abutment of said mitered ends of said edge members to self-form a closed corner; and screw means interior of said closed corner threaded into said edge members for fixedly securing said spline members thereto, whereby to retain the corner formed by said edge members and said spline members intact.
Claim 8
Dependent Claim
64 words
A plural-legged concealed spline and comprising plural elongate legs of differing axial orientations and having squared ends disposed proximately together to form an open corner, and weld material deposited solely within said open corner and constrained within surface extrapolations of said elongate legs, whereby to be constructed for hidden deposition in the interior regular grooves of external mutually fitted together, spline-leg containing elongate members.
Claim 9
Dependent Claim
64 words
A plural-legged concealed spline and comprising plural elongate legs of differing axial orientations and having squared ends disposed proximately together to form an open corner, and weld material deposited solely within said open corner and constrained within surface extrapolations of said elongate legs, whereby to be constructed for hidden deposition in the interior regular grooves of external mutually fitted together, spline-leg containing elongate members.
References Cited (Backward Citations)
US2299143A
Cited
US2806755A
Cited
US3070851A
Cited
US3545123A
Cited
US3633790A
Cited
US3716259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |