Stone working – Sawing – Endless
Patent
1990-04-23
1990-11-20
Schmidt, Frederick R.
Stone working
Sawing
Endless
125 22, B28D 108, B28D 112
Patent
active
049710222
ABSTRACT:
A cutting saw chain for aggregate materials including a loop of articulated chain links adapted to fit the guide bar of a chain saw. The guide bar is provided with a flushing system whereby pressurized water is directed through the bar and into the path of the guided saw chain to cool the chain and flush away debris formed in the cutting operation. The cutting link structure is a folded plate-like member formed into spaced side plate portions and an overhead connecting web. The side plate portions function like side links in a conventional saw chain and ride on the rails of the guide bar. Rivet holes are formed in the side plate portions. Rivets projected through the rivet holes connect the side plate portions to front and rear center links. The side plate portions are fixed in spaced relation by the connecting web an permits the use of rivets with straight shank. The connecting web supports front and rear sections of a cutting block. An opening is provided between the front and rear cutting block sections and through the underlying connecting web to provide a passageway for directing the pressurized water through the chain and directly into the kerf being cut.
REFERENCES:
patent: 4896648 (1990-01-01), Boller
patent: 4920947 (1990-05-01), Scott et al.
Edgerton John L.
Scott Lewis A.
Weber Johann
Blount, Inc.
Harrington Robert L.
Rachuba M.
Schmidt Frederick R.
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