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US3999786A Expired / Lapsed US ⏱️ 0.0 years remaining

Joint between two members

Assignee: Individual
•
Filing: 1974-09-16
•
Granted: 1976-12-28
•
Expires: 1994-09-16
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Abstract

Abstract To form a joint between members, a projection of at least one member is introduced into a bore of another member and is held therein by particulate material, which has been filled into the space provided between the interextending portions of the members to be joined and has entered recesses provided in the mutually confronting surfaces of the interextending portions.

Inventors

  • 👤 Franz Powondra

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:20
CPC Classifications
F; F16; F16B; F16B3/00; F16B3/04; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/473

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 151 words
A joint between two members, said joint comprising an opening in a first member and a portion of a second member, which portion extends in said opening, said opening and said portion having confronting surfaces which define a clearance to allow relative positioning of said first and second members, said clearance communicating with recesses formed in both said surfaces, said clearance and said recesses being filled with a plurality of particles in physical contact with each other and with said confronting surfaces and said recesses to forcibly lock said members to each other, said recesses in said surface defining said opening and in said surface of the portion which extends in said opening consisting of peripheral grooves which extend transversely to the direction in which the second member has been inserted into the first, said plurality of particles having interstices which are filled with a filler of a hardenable, nonmetallic material.
Claim 2
Dependent Claim 151 words
A joint between two members, said joint comprising an opening in a first member and a portion of a second member, which portion extends in said opening, said opening and said portion having confronting surfaces which define a clearance to allow relative positioning of said first and second members, said clearance communicating with recesses formed in both said surfaces, said clearance and said recesses being filled with a plurality of particles in physical contact with each other and with said confronting surfaces and said recesses to forcibly lock said members to each other, said recesses in said surface defining said opening and in said surface of the portion which extends in said opening consisting of peripheral grooves which extend transversely to the direction in which the second member has been inserted into the first, said plurality of particles having interstices which are filled with a filler of a hardenable, nonmetallic material.
Claim 3
Dependent Claim 21 words
A joint as set forth in claim 1, wherein said filler includes a powder which increases the strength of the filler.
Claim 4
Dependent Claim 15 words
A joint as set forth in claim 1, wherein said filler includes a metal powder.
Claim 5
Dependent Claim 14 words
A joint as set forth in claim 3, wherein particles are made of metal.
Claim 6
Dependent Claim 15 words
A joint as set forth in claim 4, wherein said particles consist of steel balls.
Claim 7
Dependent Claim 28 words
A joint as set forth in claim 1, wherein said clearance extends throughout the length of that portion of said second member which extends in said first member.
Claim 8
Dependent Claim 25 words
A joint as set forth in claim 1, wherein an opening for introducing said particles is provided in said first member adjacent to said clearance.

References Cited (Backward Citations)

US672732A Cited
GB191002588A Cited
US2409865A Cited
US2876154A Cited
US3148922A Cited
US3333046A Cited
FR1476758A Cited
US3507532A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-12-28 1980-06-28 1980-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-12-28 1984-06-28 1984-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-12-28 1988-06-28 1988-12-28 $7700.00 Window Closed / Lapsed

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