Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
1999-06-10
2001-04-03
Estremsky, Sherry (Department: 3681)
Machine element or mechanism
Control lever and linkage systems
Hand operated
C074S502600
Reexamination Certificate
active
06209414
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a cable and structure for a pull cable and particularly to such cable end structure for a rocking end such as a pedal side end of car's accelerator cable.
2. Description of the Prior Art
Conventionally, on the pedal side end of car's accelerator cable, the cushion is disposed between the pedal and the cable end device in order to absorb a vibration of the engine. However, a rocking movement of the pedal causes the cable end device to be obliquely pressed against the cushion.
Consequently, the accelerator cable comes in direct contact with the cushion and stretch and contraction of the cushion causes the accelerator cable to rub the cushion which is thereby abraded. These problems have made it difficult to improve a durability of the cable end structure.
SUMMARY OF THE INVENTION
This invention aims to solve these problems left behind by the prior art unsolved.
The object set forth above is achieved by an end structure of a pull-cable used to mount a cable end device on a fixture having a cushion disposed between said cable end device and said fixture. The end structure has a guide member comprising a plate-like portion disposed between said cable end device and said cushion and a tubular portion formed integrally with said plate-like portion. The plate-like portion is disposed between the cable end device and the cushion allows the tubular portion to be held in the cushion and said tubular portion, in turn, prevents the pull-cable from contacting and abrading the cushion. In addition, the tubular portion may be somewhat rigid so as to avoid buckling of the cushion and thereby improve its durability. The invention is also designed so that the cable end device and the plate-like portion forming part of the guide member are tightly engaged with each other. With such arrangement, it is ensured that the cable end device is maintained in concentric alignment with the guide member and thereby said tubular portion can smoothly guide the pull-cable. The invention further discloses that the guide member is made of a material having a flexibility corresponding to a flexural elasticity modulus of 500~10,000 kgf/cm
2
. With such arrangement, both the plate-like portion and the tubular portion of the guide member can have sufficient flexibility to prevent the pull-cable from biting into said tubular portion which thereby improves durability of the pull-cable.
REFERENCES:
patent: 4738155 (1988-04-01), Stocker
patent: 5570611 (1996-11-01), Pospisil et al
patent: 5579663 (1996-12-01), Likich et al.
Chuohatsujo Kabushiki Kaisha
Estremsky Sherry
Siegel Lackenbach
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