Nonadjustable throttle linkage and internal combustion engine employing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 26, 2002
Grant Date -
N/A
app pub date -
May 15, 2000
filing date -
May 15, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A throttle linkage for an internal combustion engine includes a lever assembly that is configured to connect an operator-manipulated input element to an output element that controls at least a throttle of the engine. At least one stop pin is mounted on the lever assembly and is configured to engage a stationary seat when the lever assembly is in one of a full-open position and an idle position. The stop pin is axially locked with respect to the lever assembly so as to be axially nonadjustable relative to it. If the stop pin is screwed into the lever assembly, a head of the stop pin preferably faces the associated stationary seat so as to be relatively inaccessible after the throttle linkage is mounted on the engine. The head may also be covered by a cap to further hinder tampering with the stop pin. As a result of this arrangement, the operating stroke of the lever assembly is preset upon initial assembly of the lever assembly and cannot be adjusted. This relationship significantly accelerates engine assembly and prevents tampering with the lever assembly by the operator after the engine is assembled. It also prevents the stop pin from working loose during engine operation, negating the need to adjust the stop pin's position.
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