Hand operable tool used in installing piston assemblies into an engine block
AssigneeCummins Engine Company, Inc.
InventorTibor J. Villanyi
Life of this patent
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Abstract
A hand operable tool (10) used in installing pistons and piston rod assemblies (PR) into an engine block (EB) includes magnets (170, 172,232) for securing the device to the engine block and engine dowel pin receiving holes (190,226) for receiving cylinder head dowel pins (200) to accurately and precisely orient and position the tool with respect to an engine block cylinder bore. A method of installing pistons and piston rod assemblies into an engine block utilizing the hand operable tool is also disclosed.
Claims9
A hand operable tool used in manually installing a piston assembly including a piston and piston mounted piston rings in an engine block of a combustion engine comprising:
- a pair of movable jaw portions adapted to move from an open piston to receive the piston assembly to a closed position to surround the piston mounted piston rings;
- dowel pin receiving means on said movable jaw portions for attaching said movable jaw portions to an engine block of a combustion engine and for accurately orienting, locating and supporting said movable jaw portions with respect to an engine block cylinder bore;
- at least one permanent magnet means on said movable jaw portions for attaching said movable jaw portions to an engine block in a stable manner;
- and
- handle means for moving said movable jaw portions between said open and closed positions.
Dependencies are inferred from the claim text.