← Back to Patent Explorer
US3604877A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical contact assembly

Assignee: Engelhard Minerals and Chemicals Corp
•
Filing: 1969-12-02
•
Granted: 1971-09-14
•
Expires: 1989-12-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An electrical contact assembly comprising an electrical contact of the rivet type mounted in an aperture in a metal arm. The shank of the contact being provided with an end portion composed of a metal solder which when staked against the metal arm and subsequently heated provides a solder joint in the form of a fillet between the staked end and the metal arm.

Inventors

  • 👤 John R Cockshutt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 23:24
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H11/00; H01H11/04; H01H11/041; H01H11/045

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 171 words
An electrical contact assembly comprising an electrical contact of the rivet type having a metal head and a metal shank joined to the head with a portion of the shank at the free end thereof composed of a metal solder having a lower melting point than the metal of the head and the metal of the shank portion adjacent the head, a metal arm having an aperture therethrough defined by an aperture wall, the shank of the rivet passing through the aperture with the head abutting one side of the arm adjacent the aperture, the free end solder portion of the shank and a part of the shank between the solder portion and the head of the shank being staked in abutment with the opposite side of the arm adjacent the aperture, a portion of the solder from the staked free-end portion being in the form of a fillet forming a soldered joint between the staked part of the shank between the solder portion and the head and the metal arm.
Claim 2
Dependent Claim 171 words
An electrical contact assembly comprising an electrical contact of the rivet type having a metal head and a metal shank joined to the head with a portion of the shank at the free end thereof composed of a metal solder having a lower melting point than the metal of the head and the metal of the shank portion adjacent the head, a metal arm having an aperture therethrough defined by an aperture wall, the shank of the rivet passing through the aperture with the head abutting one side of the arm adjacent the aperture, the free end solder portion of the shank and a part of the shank between the solder portion and the head of the shank being staked in abutment with the opposite side of the arm adjacent the aperture, a portion of the solder from the staked free-end portion being in the form of a fillet forming a soldered joint between the staked part of the shank between the solder portion and the head and the metal arm.

References Cited (Backward Citations)

US3103547A Cited
US3159906A Cited
US3311729A Cited
US3321570A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-13 1975-03-15 1975-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-13 1979-03-15 1979-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-13 1983-03-15 1983-09-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag