Material pick-up mechanism

Details Material pick-up mechanism Material pick-up mechanism

1984-07-24

1986-08-12

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

271 10, 271 19, B65H 322

Patent

active

046052160

ABSTRACT:
An improved material pick-up device to allow sheets of material of varying texture and resiliency to be picked up and moved without piercing and without damage thereto. A pair of support members having saw-tooth shaped projections thereon are guided and supported to be relatively reciprocated along side by side paths to move the projections together and apart. The reciprocation is carefully controlled and adjusted by an adjusting device cooperably with the device powering the reciprocation so that the spacing of the respective pairs of teeth in the support members may be carefully controlled to define a gripping position and a release position. Thus, the gripping position may be varied in accordance with the texture and resiliency of the material to be gripped such that the surface of the material is pinched without piercing and can be moved without damage thereto. In one embodiment, a pair of coaxial cylindrical supports are nested together and one rotates relative to the other. In another embodiment, a pair of linear blades having saw-tooth projections thereon are held for side by side reciprocation.

REFERENCES:
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patent: 4372548 (1983-02-01), Anrich et al.
patent: 4505468 (1985-03-01), Heisler
Murray, J. M., "Single-Ply Pick-Up Devices," AAMA Apparel Research Journal, Dec. 1975, p. 87.
Advertisement-Gepec Cloth Pickup*, Gepec Machinery, 7 Cochrane Place, Victoria, Australia 3053 (1975).

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