Patent US3884588A successfully refreshed from Google Patents.
US3884588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube joining system
Assignee: METAFAB IND Inc
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Filing: 1972-10-05
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Granted: 1975-05-20
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Expires: 1992-10-05
Abstract
Abstract A system for joining tubing in an angular relationship by forming openings in a first tube member while providing a stem member with legs or tabs adapted to be inserted within the openings. The two units are swaged together by a tool which is forced through the first tubular member thus deforming the legs to provide a rigid unit. A second tubular member is releasably coupled to the stem member, in abutting relation with the first tube member, by fasteners.
Inventors
- 👤 Sr Charles N Apple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:51
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/40; F16B17/00; F16B17/004; F16B12/44; F16B2012/446; F16B2200/00; F16B2200/40; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
146 words
A joint formed from a pair of members wherein the longitudinal axes of the members are out of alignment comprising; a first elongated tubular member having an exterior surface with at least one opening provided therein, a stem member rigidly secured to said first tubular member, said stem member having a portion extending through said opening and deformed and compressed therein and in firm engagement with the inner portion of said first tubular member for firm and rigid attachment thereto, a second tubular member substantially encompassing said stem member and having an end portion in abutting relation with said first tubular member, said stem member having an expansible, flexible, and slidably releasable fastening means cooperatively retained therewith, and means connected to said stem member for urging said fastener means and said stem member into frictional gripping relation with the inner periphery of said second tubular member.
Claim 2
Dependent Claim
146 words
A joint formed from a pair of members wherein the longitudinal axes of the members are out of alignment comprising; a first elongated tubular member having an exterior surface with at least one opening provided therein, a stem member rigidly secured to said first tubular member, said stem member having a portion extending through said opening and deformed and compressed therein and in firm engagement with the inner portion of said first tubular member for firm and rigid attachment thereto, a second tubular member substantially encompassing said stem member and having an end portion in abutting relation with said first tubular member, said stem member having an expansible, flexible, and slidably releasable fastening means cooperatively retained therewith, and means connected to said stem member for urging said fastener means and said stem member into frictional gripping relation with the inner periphery of said second tubular member.
Claim 3
Dependent Claim
29 words
A joint as defined in claim 1, said releasable fastener means including a spring member for urging said stem member into frictional gripping engagement with said second tubular member.
Claim 4
Dependent Claim
57 words
A joint as defined in claim 1, wherein said stem member is generally U-shaped having a base section and opposed leg sections, said fastener means including a spring member and a means for applying a force to said spring member to urge the opposed leg sections of said stem member into engagement with said second tubular member.
Claim 5
Dependent Claim
38 words
A joint as defined in claim 3, wherein said spring member is generally U-shaped having a bowed base section and substantially parallel leg sections, said spring member leg sections being substantially parallel with said stem member leg sections.
Claim 6
Dependent Claim
24 words
A joint as defined in claim 4, said spring member including means for receiving said means for applying a force to said spring member.
Claim 7
Dependent Claim
26 words
A joint as defined in claim 1, said stem member having a portion in tight abutting relation with the exterior surface of said first tubular member.
Claim 8
Dependent Claim
52 words
A joint as defined in claim 6, wherein a pair of openings are provided within said first tubular member, and said stem member portion extending through said opening including a pair of spaced legs extending through said pair of openings, said spaced legs being deformed and compressed to said pair of openings.
Claim 9
Dependent Claim
159 words
A joint formed from a pair of members wherein the longitudinal axes of the members are out of alignment comprising; a first elongated tubular member having an exterior surface with at least one pair of openings provided therein, a second member having a first end portion in tight abutting relation with the exterior surface of said first tubular member and a second end portion protruding from said first end portion comprising at least a pair of legs extending through said openings and being deformed and compressed into said openings for retaining said second member in firm and rigid attachment to said first elongated tubular member, said second member having a side with an opening therein, a releasable means cooperatively retained in said second member to be urged through said side opening, and fastening means secured to said second member to urge said releasable means into said side opening to fasten a member to be retained on said second member.
Claim 10
Dependent Claim
159 words
A joint formed from a pair of members wherein the longitudinal axes of the members are out of alignment comprising; a first elongated tubular member having an exterior surface with at least one pair of openings provided therein, a second member having a first end portion in tight abutting relation with the exterior surface of said first tubular member and a second end portion protruding from said first end portion comprising at least a pair of legs extending through said openings and being deformed and compressed into said openings for retaining said second member in firm and rigid attachment to said first elongated tubular member, said second member having a side with an opening therein, a releasable means cooperatively retained in said second member to be urged through said side opening, and fastening means secured to said second member to urge said releasable means into said side opening to fasten a member to be retained on said second member.
References Cited (Backward Citations)
US1630338A
Cited
US1540408A
Cited
US2972495A
Cited
US3244406A
Cited
US3353853A
Cited
US3480155A
Cited
US3552783A
Cited
US3556569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |