Hog ring fastening device

Details Hog ring fastening device Hog ring fastening device

2008-07-08

2008-07-08

Crane, Daniel C (Department: 3725)

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

C072S453160, C072S409030, C072S424000, C029S243560, C029S816000

Reexamination Certificate

active

07395688

ABSTRACT:
A hog ring fastening device includes a body member, a main pneumatic cylinder attached to the body member, a first swing member supported for turning on the body member, a push means supported on the first swing member, a feed pneumatic cylinder fixed to the first swing member and connected to a port of the main pneumatic cylinder, a second swing member supported for turning on the body member so as to be in contact with the free end of the piston rod included in the feed pneumatic cylinder, a feed means supported on the second swing member, a spring seat fixed to the body member, a compression spring extended between the spring seat and the first swing member, and an extension spring extended between the first and the second swing member.

REFERENCES:
patent: 2539313 (1951-01-01), Miller
patent: 5123273 (1992-06-01), Kawabata
patent: 5483815 (1996-01-01), West
patent: 5709124 (1998-01-01), Murayama
patent: 5979213 (1999-11-01), Toyoda
patent: 6035690 (2000-03-01), Murayama
patent: 8-216049 (1996-08-01), None

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