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US4226550A Expired / Lapsed US ⏱️ 0.0 years remaining

Reinforced plastic yoke

Assignee: EDWARD W DANIEL Co
•
Filing: 1978-09-18
•
Granted: 1980-10-07
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Expires: 1998-09-18
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Abstract

Abstract Reinforced plastic yoke includes a collar portion and longitudinally extending leg portions, with a metal strip reinforcing insert having a pair of longitudinally extending legs and a web embedded respectively in the legs and collar of the yoke. The legs of the metal reinforcing strip at their distal ends each include openings concentric with clevis pin openings in the legs of the yoke and the web includes an opening which accommodates a longitudinally extending bore in the collar portion. Additionally, an internally threaded metal insert fitting may be provided in the yoke collar portion extending axially through the web opening in the metal strip reinforcing insert, with mechanical locks to prevent relative movement between the fitting, collar portion, and metal insert.

Inventors

  • 👤 Kenneth S. Kupcak
  • 👤 Rudolph F. Piecuch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:13
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/045; F16C7/00; F16C7/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49606; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861; Y10T403/32918; Y10T403/47; Y10T403/472

Claims Analysis

Total Claims: 32
Claim 1
Independent Claim 112 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, mechanical lock means for interlocking said insert means within said plastic body, and at least one embossment in said legs thus to provide a mechanical lock between said insert means and said body.
Claim 2
Dependent Claim 112 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, mechanical lock means for interlocking said insert means within said plastic body, and at least one embossment in said legs thus to provide a mechanical lock between said insert means and said body.
Claim 3
Dependent Claim 103 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, a longitudinally extending opening in said web, and insert fitting means embedded in said collar portion and extending through said opening in said web.
Claim 4
Dependent Claim 103 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, a longitudinally extending opening in said web, and insert fitting means embedded in said collar portion and extending through said opening in said web.
Claim 5
Dependent Claim 76 words
A yoke as set forth in claim 2 wherein said insert fitting means has an enlarged axial inner end portion and a reduced axial outer end portion defining an abutment shoulder therebetween, and said reduced axial outer end portion extends through said opening in said web with said abutment shoulder in abutting engagement with said web to provide a mechanical lock therebetween resisting axial pullout of said insert fitting means relative to said metal insert means.
Claim 6
Dependent Claim 38 words
A yoke as set forth in claim 3 wherein said insert fitting means includes mechanical lock means for preventing relative longitudinal and rotational movement of said insert fitting means with respect to said collar portion of said body.
Claim 7
Dependent Claim 43 words
A yoke as set forth in claim 4 wherein said mechanical lock means includes a noncircular portion on said enlarged axial inner end portion of said insert fitting means preventing relative rotation between said insert fitting means and collar portion of said body.
Claim 8
Dependent Claim 49 words
A yoke as set forth in claim 5 wherein said mechanical lock means includes an annular recess in said enlarged portion into which the plastic of said collar portion of said body extends to resist relative longitudinal movement between said insert fitting means and collar portion of said body.
Claim 9
Dependent Claim 180 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, and mechanical lock means for interlocking said insert means within said plastic body, said web being noncircular in shape thus mechanically to prevent rotation of the same relative to said collar portion of said body, said legs extending substantially perpendicular from opposite sides of said web, said body being formed by molding the same in a mold, and portions of said web normal to said opposite sides of said web being adapted to contact the walls of the mold cavity to position the web therein when the insert means is placed in the mold cavity prior to molding said plastic body.
Claim 10
Dependent Claim 180 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, and mechanical lock means for interlocking said insert means within said plastic body, said web being noncircular in shape thus mechanically to prevent rotation of the same relative to said collar portion of said body, said legs extending substantially perpendicular from opposite sides of said web, said body being formed by molding the same in a mold, and portions of said web normal to said opposite sides of said web being adapted to contact the walls of the mold cavity to position the web therein when the insert means is placed in the mold cavity prior to molding said plastic body.
Claim 11
Dependent Claim 162 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said body being formed by molding the same in a mold, said insert means including spacer means to facilitate positioning of said insert means in the mold prior to molding said body, said spacer means including a plurality of embossments in said legs adapted to contact the walls of the mold cavity to position the legs therein when the insert means is placed in the mold cavity, and said embossments also providing a mechanical lock between said insert means and said body.
Claim 12
Dependent Claim 162 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said body being formed by molding the same in a mold, said insert means including spacer means to facilitate positioning of said insert means in the mold prior to molding said body, said spacer means including a plurality of embossments in said legs adapted to contact the walls of the mold cavity to position the legs therein when the insert means is placed in the mold cavity, and said embossments also providing a mechanical lock between said insert means and said body.
Claim 13
Dependent Claim 90 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portions, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means including an internally threaded, longitudinally extending insert fitting in said collar portion of said body, and said insert fitting including mechanical lock means for preventing relative longitudinal and rotational movement between said insert means and collar portion of said body.
Claim 14
Dependent Claim 90 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portions, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means including an internally threaded, longitudinally extending insert fitting in said collar portion of said body, and said insert fitting including mechanical lock means for preventing relative longitudinal and rotational movement between said insert means and collar portion of said body.
Claim 15
Dependent Claim 20 words
A yoke as set forth in claim 9 wherein said insert fitting is made of a non-corrosive, easily machined metal.
Claim 16
Dependent Claim 112 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said legs including at least one opening through which extends a portion of said plastic body thus to provide a mechanical lock between said insert means and said body against pull out.
Claim 17
Dependent Claim 112 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said legs including at least one opening through which extends a portion of said plastic body thus to provide a mechanical lock between said insert means and said body against pull out.
Claim 18
Dependent Claim 31 words
A yoke as set forth in claim 11 wherein said web is noncircular in shape thus mechanically to prevent rotation of the same relative to said collar portion of said body.
Claim 19
Dependent Claim 27 words
A yoke as set forth in claim 12 wherein said web is of hexagonal shape and said legs extend substantially perpendicular from opposite sides of said web.
Claim 20
Dependent Claim 112 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said longitudinally extending portions at the distal ends thereof having transversely aligned pin receiving bores therein, and said legs at the distal ends thereof having bores concentric with said pin receiving bores.
Claim 21
Dependent Claim 112 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said longitudinally extending portions at the distal ends thereof having transversely aligned pin receiving bores therein, and said legs at the distal ends thereof having bores concentric with said pin receiving bores.
Claim 22
Dependent Claim 34 words
A yoke as set forth in claim 14 wherein each said bore in each said leg has a diameter substantially equal to that of the corresponding pin receiving bores in said longitudinally extending portions.
Claim 23
Dependent Claim 53 words
A yoke as set forth in claim 15 wherein said distal ends of said legs are of a lesser dimension than the respective distal ends of said longitudinally extending portions whereby the outer periphery of said distal ends of said legs is substantially enclosed by said distal ends of said longitudinally extending portions.
Claim 24
Dependent Claim 42 words
A yoke as set forth in claim 14 wherein said body is formed by molding the same in a mold, and said insert means includes spacer means to facilitate positioning of said insert means in the mold prior to molding said body.
Claim 25
Dependent Claim 106 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said collar portion having a longitudinally extending bore, and said web of said insert means having a longitudinally extending opening concentric with said longitudinally extending bore.
Claim 26
Dependent Claim 106 words
A reinforced plastic yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing the same, said insert means having two spaced, longitudinally extending legs embedded respectively in said longitudinally extending portions of said body and a web connecting said legs embedded in said collar portion of said body, said collar portion having a longitudinally extending bore, and said web of said insert means having a longitudinally extending opening concentric with said longitudinally extending bore.
Claim 27
Dependent Claim 19 words
A yoke as set forth in claim 18 wherein said longitudinally extending bore in said collar portion is threaded.
Claim 28
Dependent Claim 110 words
A reinforced plastic yoke for coupling opposed load members for transmission of axial tensile loads, said yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, said collar portion having means for connecting same to one load member and said longitudinally extending portions having means for connecting same to the other load member, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing same, said insert means extending between said means for connecting to increase the strength of said plastic body along the effective load bearing length thereof.
Claim 29
Dependent Claim 110 words
A reinforced plastic yoke for coupling opposed load members for transmission of axial tensile loads, said yoke comprising a plastic body having a collar portion at one end and a pair of spaced longitudinally extending portions integral with said collar portion, said collar portion having means for connecting same to one load member and said longitudinally extending portions having means for connecting same to the other load member, and one piece metal insert means embedded in said collar portion and longitudinally extending portions for reinforcing same, said insert means extending between said means for connecting to increase the strength of said plastic body along the effective load bearing length thereof.
Claim 30
Dependent Claim 17 words
A yoke as set forth in claim 20 wherein said insert means is made of spring steel.
Claim 31
Dependent Claim 18 words
A yoke as set forth in claim 20 wherein said plastic body is made of fiberglass reinforced nylon.
Claim 32
Dependent Claim 49 words
A yoke as set forth in claim 20 wherein said means for connecting said collar portion includes a threaded longitudinal bore in said collar portion, and said means for connecting said longitudinally extending portions includes transversely aligned pin receiving bores in the distal ends of said pin receiving bores.

References Cited (Backward Citations)

US3101205A Cited
US3394212A Cited
US3711134A Cited
US3796297A Cited
US4051591A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-10-07 1984-04-07 1984-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-10-07 1988-04-07 1988-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-10-07 1992-04-07 1992-10-07 $7700.00 Window Closed / Lapsed

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