Back to results
US 4,393,589 AGranted
Construction for a motor-driven chain saw
AssigneeEMAB Electrolux Motor Aktiebolag
InventorBengt A. Barkhult
Life of this patent
Estimating the term…
Abstract
A motor-driven chain saw having a plurality of units including an engine-saw unit, a casing, a multiplicity of fuel tanks, and filter elements for fuel and lubricant. The filter-tank unit is provided with a top portion and a bottom portion which restricts spacings for a direct location of the filter elements. The filter-tank unit is provided with a fixed pipe system for the fuel and lubricant between the spacings and the auxiliary apparatus constituting a carburetor and lubricant pump.
Claims6
A chain saw having an oil pump and a carburetor comprising:
- a plurality of units including an engine-saw unit, a casing, a fuel tank, a fuel filter for said fuel tank forming a filter-tank unit, said filter-tank unit including a top portion and a bottom portion restricting spacings for oil and fuel, respectively, and enclosing said filter, a plurality of pipes molded and permanently mounted in said top portion for oil and fuel from the respective tanks to said oil pump and carburetor, said carburetor which is located on said top portion and is provided with an air filter, and a permanently formed and molded holder in said top portion for holding said filter.
Dependencies are inferred from the claim text.