E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
29/26, 255/85
E21B 10/00 (2006.01) B28D 1/26 (2006.01)
Patent
CA 1205620
ABSTRACT "Improvements in Scabbler Bits" There is provided an improved scabbler bit wherein the bit is fixable to a piston of a scabbling machine through a male shank portion. The shank portion carries a circumferential groove for cooperation in the side wall of the piston to hold the shank firmly within the piston. There is also provided a scabbler bit wherein the shank portion is separate from the carrier. A novel design of a scabbler tip is also disclosed together with a novel arrangement of tips on the base of a tip carrier.
405817
Allan David T.
Fetherstonhaugh & Co.
Macdonald (john) & Company (pneumatic Tools) Limited
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