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A replaceable muffler structure with an adjustable length includes a muffler, a tail pipe having a rear end provided with an insertion section movably mounted in a rear end of the muffler, and a positioning ring mounted on the rear end of the muffler for locking the insertion section of the rear end

A replaceable muffler structure with an adjustable length includes a muffler, a tail pipe having a rear end provided with an insertion section movably mounted in a rear end of the muffler, and a positioning ring mounted on the rear end of the muffler for locking the insertion section of the rear end of the tail pipe. The rear end of the muffler has an air outlet provided with an annular flange for receiving the insertion section of the rear end of the tail pipe. The positioning ring is provided with a fitting portion fitted on the annular flange of the muffler and defines a plurality of screw holes. A plurality of bolts are each screwed into a corresponding one of the screw holes, and each urged on an outer periphery of the insertion section of the rear end of the tail pipe. A plurality of nuts are each screwed on a corresponding one of the bolts.

대표청구항 ▼

1. A replaceable muffler structure with an adjustable length, comprising:a muffler having at least one outlet, said at least one outlet having a passage extending longitudinally from an interior portion of said muffler, said at least one outlet having a flange formed on a distal end thereof; at leas

1. A replaceable muffler structure with an adjustable length, comprising:a muffler having at least one outlet, said at least one outlet having a passage extending longitudinally from an interior portion of said muffler, said at least one outlet having a flange formed on a distal end thereof; at least one positioning ring secured to said flange of said at least one outlet, said at least one positioning ring having a longitudinally extended bore disposed in coaxial alignment with said passage, said at least one positioning ring having a plurality of radially directed threaded openings formed therethrough in angularly spaced relationship and in open communication with said bore; at least one tail pipe adjustably secured to said muffler, said at least one tail pipe having a longitudinally extended insertion section formed on a first end thereof telescopically disposed in said bore of said at least one positioning ring and said passage of said outlet to provide an adjustable length between a second end thereof and said muffler; and, a plurality of bolts respectively threadedly engaged with said plurality of radially directed threaded openings, said plurality of bolts being extended into said bore to contact said insertion section of said tail pipe for securement thereof.