US 10,096,912 B2Granted

Connection method for terminal fitting and connection structure of terminal fitting

AssigneeYazaki Corporation

InventorsTakatatsu Yamamoto, Keiichi Mita

Life of this patent

Estimating the term…

Loading patent…

Abstract

A connection method for a terminal fitting, in which the terminal fitting includes a terminal body and a plurality of terminal connection portions extending from the terminal body, and a pair of fastening caulking pieces of each of connection terminals connected to end portions of electric wires are caulked and connected to a pair of fastened caulking pieces formed in a corresponding one of the terminal connection portions, the connection method includes folding open end portions of the fastened caulking pieces inward respectively to form folded portions and a space between the folded portions so that open end portions of the pair of fastening caulking portions enter the space, and crushing the pair of the fastening caulking pieces to caulk the pair of the fastened caulking pieces so that the open end portions of the pair of the fastening caulking pieces enter the space.

Claims7

Dependent claims

A connection method for a terminal fitting and a plurality of electric wire assemblies, in which the terminal fitting includes a terminal body and a plurality of terminal connection portions extending from the terminal body, and the electric wire assemblies include connection terminals connected to end portions of electric wires, the connection method comprising:

providing each of the connection terminals with a pair of fastening caulking pieces;
providing each of the terminal connection portions with a pair of fastened caulking pieces;
folding free ends of open end portions of the fastened caulking pieces inward respectively to form folded portions and a space that extends between the folded portions such that the free ends are space away from each other;
deforming the pair of the fastening caulking pieces so that free ends of the pair of the fastening caulking pieces enter the space;
crushing the pair of fastening caulking pieces and the pair of fastened caulking pieces after the free ends of the fastening caulking pieces enter the space;
and
maintaining separation between each of the terminal connection portions and the electric wire upon connecting the terminal fitting and the electric wires through the connection terminals.

4 more elements

A connection structure for a terminal fitting comprising:

the terminal fitting including a terminal body and a plurality of terminal connection portions extending from the terminal body;
and
connection terminals connected to end portions of electric wires,
wherein each of the connection terminals includes a pair of fastening caulking pieces,
wherein each of the terminal connection portions includes a pair of fastened caulking pieces, the pair of fastened caulking pieces include respective end portions that are folded inward to form folded portions that include free ends that are spaced away from each other by a space that extends between the folded portions, and the space is configured to receive respective free ends of end portions of the pair of fastening caulking portions as the pair of fastening caulking pieces are caulked with the pair of the fastened caulking pieces,
wherein the pair of the fastening caulking pieces are caulked with the pair of the fastened caulking pieces after the free ends of the pair of the fastening caulking pieces enter the space, and
wherein each of the terminal connection portions is spaced away from the electric wire and the terminal fitting is connected to the electric wires through the connection terminals.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/363,555Filed 29 Nov 2016
Priority: JP 2015-23357530 Nov 2015
Published: US 2017/0155200 A11 Jun 2017
Granted: 9 Oct 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

H01R 4/04
Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or…:…
H01R 4/188
By crimping: having an uneven wire-receiving surface to improve the contact
H01R 4/20
By crimping: using a crimping sleeve
H01R 11/12
End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or…: end…