E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/83
E21C 25/00 (2006.01) E21C 25/18 (2006.01)
Patent
CA 1146183
ABSTRACT A mounting bracket for fastening replaceable earth engaging tools such as rotary hoe blades or trench digger teeth in which the shaft of the tool fits within a recess in the bracket and a spring biased pin is arranged to pass through both the shaft and the bracket at right angles to the longitudinal dimension of the shaft. This arrangement does away with the need to use bolts.
356145
Johnson William M.
Klaasens Harry
Lindsay Alan
Mckay (ralph) Limited
Ridout & Maybee Llp
LandOfFree
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