Metal sheet punch device

Details Metal sheet punch device Metal sheet punch device

2006-06-27

2006-06-27

Jones, David (Department: 3725)

Metal deforming

With means to drive tool

Including link-actuated tool support

C072S325000, C072S472000, C072S479000, C029S243500, C083S307000, C083S310000, C083S634000

Reexamination Certificate

active

07066002

ABSTRACT:
A metal sheet punch device for metal sheets which includes a longitudinally extended frame having forward and rearward ends and alignment devices for aligning the frame on a metal sheet. At least two metal punch devices are mounted on the frame, each including a metal punch support structure movably mounted on the frame and a metal punch having a pointed lower end, the metal punch mounted on the underside of the metal punch support arm structure. A support structure drive device such as a coiled spring is operatively connected to the metal punch support structure to rapidly move the metal punch support structure between a retracted position and an extended position and a trigger device is operatively connected to the metal punch devices to trigger each of them to drive the metal punch into the metal sheet to form at least two securement screw indentations therein.

REFERENCES:
patent: 3910093 (1975-10-01), Maloney et al.
patent: 3925875 (1975-12-01), Doke
patent: 4442581 (1984-04-01), Molnick
patent: 4559805 (1985-12-01), McClure
patent: 4621511 (1986-11-01), Knudson
patent: 2004/0093925 (2004-05-01), Bodwell

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