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US 5,857,329 AGranted
One-piece combined muffler exhaust outlet and exhaust gas deflector
AssigneeDeere & Company
InventorHarold Bigham
Life of this patent
Estimating the term…
Abstract
A power tool having an internal combustion engine with a muffler and a combined muffler exhaust outlet and exhaust gas deflector connected to the muffler. The combined outlet and deflector is a single one-piece member. The one-piece member is connected to the muffler by interlocking capture of a portion of the member by the muffler and attachment of a single fastener between the member and the muffler.
Claims18
In a power tool having an internal combustion engine with a muffler, wherein the improvement comprises:
- a combined muffler exhaust outlet and exhaust gas deflector connected at an exterior side of the muffler, the combined muffler exhaust outlet and exhaust gas deflector being comprised of a single one-piece member that is connected to the muffler by interlocking capture of a first portion of the member by the muffler and attachment of a single fastener between a second portion of the member and the muffler.
A power tool muffler assembly comprising:
- a muffler;
- and
- a combined muffler exhaust outlet and exhaust gas deflector, connected to the muffler, which is comprised of a single one-piece member wherein the one-piece member has an interlock mounting portion that extends from a first end of a first section and a second end of the first section has a hole for a fastener to pass through.
A method of assembling an internal combustion engine muffler assembly comprising steps of:
- providing a combined muffler exhaust outlet and exhaust gas deflector having a first end with a retaining leg;
- inserting the retaining leg into a mounting aperture of a muffler;
- and
- attaching a single fastener to the muffler and to a second end of the combined outlet and deflector;
- wherein the combined outlet and deflector is retained to the muffler only by the single fastener and interlocking engagement between the retaining leg and the muffler.
2 more elements
Dependencies are inferred from the claim text.