Method for monitoring the installation of blind rivets

Details Method for monitoring the installation of blind rivets Method for monitoring the installation of blind rivets

2008-01-01

2008-01-01

Jones, David B (Department: 3725)

Metal working

Means to assemble or disassemble

Overedge assembling means

C072S021100, C072S021400, C227S002000

Reexamination Certificate

active

07313851

ABSTRACT:
Apparatus is provided for monitoring the installation of a blind rivet to attach together top and bottom members. The blind rivet installation tool includes a housing having an anvil seated on the rivet head. A collet is reciprocable within the tool housing and carries jaws for gripping the mandrel of the blind rivet. Retraction of the jaws by the collet displaces the jaws and the mandrel axially and causes the mandrel head to axially collapse and radially expand the hollow shank of the blind rivet into engagement with the bottom member so that the rivet attaches the top member and the bottom member. A first transducer measures the axial load imposed on the mandrel. A second transducer measures the axial displacement of the collet and the jaws and the mandrel.

REFERENCES:
patent: 4580435 (1986-04-01), Port et al.
patent: 5027631 (1991-07-01), Naito
patent: 5600878 (1997-02-01), Byrne et al.
patent: 5661887 (1997-09-01), Byrne et al.
patent: 5666710 (1997-09-01), Weber et al.
patent: 6612013 (2003-09-01), Zardus et al.
patent: 7024746 (2006-04-01), Weeks et al.

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