Metal deforming – With means to handle work or product – By gripper and/or endless chain
Patent
1986-06-19
1988-01-12
Larson, Lowell A.
Metal deforming
With means to handle work or product
By gripper and/or endless chain
72705, 24459, 24569, B21D 112
Patent
active
047182660
ABSTRACT:
A pair of generally parallel, laterally spaced and registered plates are provided including corresponding opposite margins having projections supported therefrom and spaced therealong projecting toward and engageable with the corresponding margin of the opposing plate. The projections on corresponding margins of the opposing plates are staggered relative to each other and clamp fastener structure is secured through the mid-portions of the plates for forcibly drawing the plates toward each other and clamping sheet metal portions between one pair of corresponding projection equipped margins thereof. At least one marginal edge of one of the plates includes anchor structure supported therefrom, to which a pull member may be removably anchored.
REFERENCES:
patent: 3338086 (1967-08-01), Hunter
patent: 4106325 (1978-08-01), Kuhn
patent: 4457159 (1984-07-01), Jarman et al.
patent: 4596105 (1986-06-01), Farmer
Hinson Virgil H.
Jarman Davis R.
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