Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1975-01-31
1977-02-22
Spar, Robert J.
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
294 67BC, 294 81R, 212 14, 212125, 214654, B65G 4700
Patent
active
040088146
ABSTRACT:
A gripping device for lifting and depositing slabs which are disposed on one edge thereof in an upright position is mounted in a mobile crane which is displaceable across a plurality of such slabs and comprises a row of support rods which are vertically displaceable in unison and each of which is provided at its lower end with a support member which is selectively rotatable into a position in which, when the rods are lowered into a position adjacent one side of a slab, the support member engages under the lower edge of the slab, and into another position in which it is disengaged from the said edge; furthermore a gravity operated holder member is provided which comes into engagement with the upper edge of the slab while the support rods are being lowered, and secures the slab against tilting during lifting and conveyance thereof.
REFERENCES:
patent: 1730128 (1929-10-01), Drake
patent: 1765023 (1930-06-01), McWane
patent: 2040574 (1936-05-01), Sutcliffe
patent: 3467264 (1969-09-01), Armington et al.
patent: 3734312 (1973-05-01), Hickinbotham
patent: 3749437 (1973-07-01), Lynn
patent: 3838779 (1974-10-01), Dawson
Finke Klaus-Gunter
Kral Leopold
Webers Theo
Dennemeyer John J.
Johnson R. B.
Spar Robert J.
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