Handling: hand and hoist-line implements – Grapple – Pivoted jaws
Patent
1989-11-22
1991-04-02
Cherry, Johnny D.
Handling: hand and hoist-line implements
Grapple
Pivoted jaws
294902, B66C 148
Patent
active
050042840
ABSTRACT:
An apparatus and method for supporting a sheet of glass contemplates a first support element, having a flat, circular support surface with a diameter of between approximately 0.125 inch and 0.25 inch, and a second support element, having a sharp support edge. The support elements are themselves supported such that the first and second support elements are urged toward each other. By this arrangement, the flat support surface of the first support element is brough into contact with a first side of a sheet of glass, and the sharp support edge of the second support element is brough into contact with a second side of a sheet of glass. A pair of stop elements are provided on the support elements for limiting the movement of the first and second support elements, such that when the glass is heated, the sharp support edge will dig into the surface of the glass only to a predetermined depth of approximately between 0.005 inch and 0.020 inch. By this arrangement, substantial thermal insulation is not provided for a sheet of glass held between the support elements.
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Cherry Johnny D.
Ellerbrock Charles H.
Ford Motor Company
May Roger L.
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