Control lever safety apparatus for heavy equipment

Details Control lever safety apparatus for heavy equipment Control lever safety apparatus for heavy equipment

2007-01-23

2007-01-23

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Elements

C074S523000, C180S329000, C180S286000, C180S287000, C180S271000

Reexamination Certificate

active

11180010

ABSTRACT:
A control lever safety apparatus for a heavy equipment which is capable of preventing an operation of a work apparatus when a control lever is operated or touched in a state that an equipment is started, in such a manner that a safety lever is tilted in a lower direction in the case that a consol box installed in a side surface of a driver's seat is tilted. There are provided a safety lever and consol box tilting lever which are rotatably fixed to a first support in which a consol box of a side f an entrance door of a driving room is fixed, an operation switch assembly which is connected with the consol box tilting lever based on a link movement method and supports the safety lever in a horizontal direction and tilts the safety lever in a lower direction when the consol box tilting lever is rotated for thereby disconnecting a power connected with the control lever, and a latch assembly which is connected with the operation switch assembly based on a link movement method and tilts the consol box in an upper direction when the consol box tilting lever is rotated for thereby disconnecting a power connected with the control lever.

REFERENCES:
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patent: 4250230 (1992-09-01), None
patent: 9-13425 (1997-01-01), None
patent: 9-165787 (1997-06-01), None
patent: 10-292425 (1998-11-01), None
patent: 2000-328605 (2000-11-01), None
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English Abstract of JP 2000-328605 dated Nov. 28, 2000.
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English Abstract of JP 9-13425 dated Jan. 14, 1997.
English Abstract of JP 9-165787 dated Jun. 24, 1997.

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