Tool retaining mechanism

Details Tool retaining mechanism Tool retaining mechanism

2007-05-01

2007-05-01

Will, Thomas B. (Department: 3679)

Earth working

Tool, standard or connection

Removable tool portion

C172S772000, C172S753000, C172S762000, C172S769000, C037S456000, C037S458000, C037S459000, C403S317000, C403S318000, C403S319000

Reexamination Certificate

active

11271466

ABSTRACT:
A securing arrangement for a tool (7) of an agricultural tillage implement of a type having a tapered interconnection between a socket (5) on the tool and an adaptor piece (3) adapted for mounting onto a tine (1) of the tillage implement. The adaptor piece (3) has a recess (9) which can be an aperture or a pair of transverse arcuate slots (31) for receiving a retaining pin(11). The socket (5) on the tool has notches (15) on its opposed sides and a portion (13) on the retaining pin in use engages into at least one of the notches (15) to prevent disengagement of the socket (5) from the adaptor piece (3). The adaptor piece can be integral with the tine.

REFERENCES:
patent: 3268260 (1966-08-01), Snipe
patent: 3826024 (1974-07-01), Petersen
patent: 3952433 (1976-04-01), Heinold et al.
patent: 4505058 (1985-03-01), Peterson
patent: 5177886 (1993-01-01), Klett
patent: 5711378 (1998-01-01), Yeager
patent: 6289996 (2001-09-01), Parish

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