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Class 277/509 - Coaxial spring


Subclass of Class 277 - Seal for a joint or juncture
Definition: Axial spring bias wherein the spring has a symmetrical axis
No. of patents: 6
Last issue date: 09/09/2003


NumberTitleIssue Date
6615961Seal construction of shock absorber with leveling function
To positively prevent a pressure medium sealed into an outer tube from leaking out from a clearance relative to an oil damper, there is provided a seal construction of a shock absorber 1 with leveling function wherein a seal mechanism 3 is disposed in an ...
09/09/2003
6394463Oil seal
The oil seal of the present invention for a valve stem includes a triple seal lip having a cam chamber side lip, a first combustion chamber side lip and a second combustion chamber side lip. Notches are provided on the second combustion chamber side lip a...
05/28/2002
4936197Dynamic seal construction
In a preferred embodiment of hydraulic actuator wherein a piston rod is longitudinally positionable via a tail end of a cylinder, tail-end static and dynamic seal members are of plastic, of relatively elongate trapezoidal section, and a single metal sprin...
06/26/1990
4235445Sealing system for piston rod of hot gas engine
An improvement to a sealing system for restricting fluid flow around a piston rod between a piston cylinder and crankshaft space in a hot gas engine where a seal element is secured around the piston rod in an intermediate chamber, the improvement includin...
11/25/1980
4029324Seal assembly for control lever
A sealing assembly for a control lever that extends through an opening. The sealing assembly includes a plurality of stacked seal members that have mating surfaces which allow movement of the control lever about a pair of mutually perpendicular noninterse...
06/14/1977
3971564Environmental seals for multidirectional control levers
An environmental seal for use with a multidirectional control lever. The seal defines a movable structure including a first closure portion movable with the movable member and a second closure portion cooperating with the first closure portion to effectiv...
07/27/1976
 
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