Handling: hand and hoist-line implements – Hand forks and shovels – Grappling type
Patent
1992-06-30
1994-07-12
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hand forks and shovels
Grappling type
7386444, 2941192, A01B 100
Patent
active
053282213
ABSTRACT:
An apparatus and method for removing cores from a material to be tested includes a first split shell having a first split portion, a tightening device for moving confronting ends of the first shell towards each other so that the shell grips the core to be pulled, and a handle for pulling the core. The core puller is inserted into a space left by a drill bit. The core puller is tightened around the core to be pulled, and the core is then pulled.
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Cherry Johnny D.
G. R. Osterland Company
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