Machine element or mechanism – Control lever and linkage systems – Elements
Reexamination Certificate
2005-12-06
2005-12-06
Luong, Vinh T. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Elements
C074S523000, C180S329000, C180S286000, C180S269000, C180S271000
Reexamination Certificate
active
06971279
ABSTRACT:
A control lever safety apparatus for preventing operation of a work apparatus when a control lever is operated or touched in an equipment started state has a safety lever and consol box tilting lever rotatably fixed to a first support in which a consol box is fixed, an operation switch assembly connected with the consol box tilting lever on a link movement method to support the safety lever in a horizontal direction and tilt the safety lever in a lower direction when the consol box tilting lever is rotated for thereby disconnecting power, and a latch assembly connected with the operation switch assembly on a link movement method to tilt the consol box in an upper direction when the consol box tilting lever is rotated for also thereby disconnecting the power.
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patent: 3715002 (1973-02-01), Halls et al.
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patent: 5050700 (1991-09-01), Kim
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patent: 9-13425 (1997-01-01), None
patent: 9-165787 (1997-06-01), None
patent: 2000-303501 (2000-10-01), None
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English Abstract of JP 2000328605 dated Nov. 28, 2000.
English Abstract of JP 4250230 dated Sep. 7, 1992.
English Abstract of JP 04044533 dated Feb. 14, 1992.
English Abstract of JP 9-13425 dated Jan. 14, 1997.
English Abstract of JP 9-165787 dated Jun. 24, 1997.
Jo Chun Ho
Yoon Chun Jin
Ladas & Parry LLP
Luong Vinh T.
Volvo Construction Equipment + Holding Sweden AB
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