Engine-driven work machine system
First Claim
1. An engine-driven work machine system comprising:
- an engine;
a work machine driven by the engine;
a frame supporting the engine and the work machine;
a sound-insulating housing provided on the frame, and housing the engine and the work machine, the sound-insulating housing including;
a bottom plate;
a pair of opposing sidewall plates extending upward and away from the bottom plate with the engine and the work machine therebetween; and
a fuel tank connecting upper ends of the sidewall plates to each other, wherein a mounting flange formed around an outer periphery of the fuel tank is superposed on a flat tank-supporting portion formed at the upper ends of the sidewall plates, wherein a downward-facing collar is formed at an outer end of the mounting flange, wherein an upward-facing collar is formed in the tank-supporting portion and arranged inwardly of the downward-facing collar with respect to the sound-insulating housing, and wherein a seal member is provided outwardly of the upward-facing collar with respect to the sound-insulating housing and between the mounting flange and the tank-supporting portion.
1 Assignment
0 Petitions
Accused Products
Abstract
An engine-driven work machine system includes an engine; a work machine driven by the engine; a frame supporting the engine and the work machine; and a sound-insulating housing provided on the frame. The sound-insulating housing includes a bottom plate; a pair of opposing sidewall plates extending from the bottom plate with the engine and the work machine therebetween; and a fuel tank connecting upper ends of the sidewall plates. A mounting flange formed around an outer periphery of the fuel tank is superposed on a flat tank-supporting portion formed at the upper ends of the sidewall plates. A downward-facing collar is formed at an outer end of the mounting flange. An upward-facing collar is formed in the tank-supporting portion and arranged inwardly of the downward-facing collar with respect to the sound-insulating housing. A seal member is provided outwardly of the upward-facing collar and between the mounting flange and tank-supporting portion.
16 Citations
8 Claims
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1. An engine-driven work machine system comprising:
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an engine;
a work machine driven by the engine;
a frame supporting the engine and the work machine;
a sound-insulating housing provided on the frame, and housing the engine and the work machine, the sound-insulating housing including;
a bottom plate;
a pair of opposing sidewall plates extending upward and away from the bottom plate with the engine and the work machine therebetween; and
a fuel tank connecting upper ends of the sidewall plates to each other, wherein a mounting flange formed around an outer periphery of the fuel tank is superposed on a flat tank-supporting portion formed at the upper ends of the sidewall plates, wherein a downward-facing collar is formed at an outer end of the mounting flange, wherein an upward-facing collar is formed in the tank-supporting portion and arranged inwardly of the downward-facing collar with respect to the sound-insulating housing, and wherein a seal member is provided outwardly of the upward-facing collar with respect to the sound-insulating housing and between the mounting flange and the tank-supporting portion. - View Dependent Claims (2, 3, 4)
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5. An engine-driven work machine system comprising:
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an engine;
a work machine driven by the engine;
a frame supporting the engine and the work machine;
a sound-insulating housing provided on the frame and housing the engine and the work machine, the sound-insulating housing including, in a sidewall thereof, a maintenance window and a lid for opening and closing the maintenance window, wherein the maintenance window is formed, by punching, in a steel sidewall plate constituting the sidewall of the sound-insulating housing, and the lid is formed by a blank material punched out during the punching of the maintenance window; and
wherein a seal member is mounted around an outer peripheral end of the lid and protrudes outward and contacts an outer surface of the sidewall plate when the lid is closed. - View Dependent Claims (6, 7, 8)
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Specification