Pipe joints or couplings – Essential catch – Resilient ring
Reexamination Certificate
1998-12-18
2001-07-17
Browne, Lynne H. (Department: 3629)
Pipe joints or couplings
Essential catch
Resilient ring
C285S314000
Reexamination Certificate
active
06260889
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to connectors, and in particular, to connectors that are useful, for example, to connect a fuel pipe to a fuel hose of automobiles.
DESCRIPTION OF THE RELATED ART
U.S. Pat. No. 5,704,658 in the name of one of the same assignees as the present application discloses connectors for connecting a fuel pipe and a fuel hose of automobiles. This U.S. patent teaches connectors having engaging claws and engaging protrusions to connect a clip and a body of the connectors.
U.S. Pat. No. 5,596,790 discloses metal clips that have a stop for limiting the enlargement of the clips. However, the clips only serve to clamp a hose, and do not serve to fix a pipe in position, which pipe is inserted into a connector body.
SUMMARY OF THE INVENTION
An object of the present invention to provide improved connectors.
In particular, a connector is taught having engaging protrusions or claws on a clip that is a separate piece from a body having engaging holes. Preferably, the body also has means for ensuring that the clip always can be rotated or opened by a suitable amount of rotation and enlargement of the clip, even when the clip is handled (rotated) by different operators. Such means provide an appropriate range of movement, so that the clip is not damaged by overstretching the clip when removing the pipe from the connector body. As a result, the connector is not damaged by the operation of connecting the pipe to the connector body or by removing the pipe from the connector body.
Other objects, features and advantages of the present invention will be readily understood after reading the following detailed description together with the accompanying drawings and the claims.
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Goto Hisatsugu
Harada Masatoshi
Miyamoto Yasushi
Tozaki Kenji
Browne Lynne H.
Kabushiki Kaisha Togo Seisakusho
Malcolm Tomlyne A
Patterson Thuente Skaar & Christensen P.A.
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