Rotary shafts – gudgeons – housings – and flexible couplings for ro – Flexible coupling between fluid-conducting rotary shafts – Including member deformable by relative movement between shafts
Reexamination Certificate
2005-07-12
2005-07-12
Hewitt, James M. (Department: 3679)
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Flexible coupling between fluid-conducting rotary shafts
Including member deformable by relative movement between shafts
C464S018000, C464S089000, C285S052000, C285S092000, C285S291100, C285S292100, C285S355000
Reexamination Certificate
active
06916248
ABSTRACT:
Flexible couplings are provided comprising a male member disposed within a female member in a spaced apart configuration, with the space being filled, at least partially, with an elastically deformable material. The male and female members comprise features that prevent separation from one another after the elastically deformable material is provided in the space between them. For example, the male and female members of one embodiment each comprise a threaded region, with the respective male and female threads being intermeshed but generally spaced apart from each other. At least one of the male and female threads is tapered in two opposing directions with respect to a coupling centerline. The double taper requires the elastically deformable material to be displaced for the male and female members to become separated. However, the elastically deformable materials are constrained by surfaces of the male and female members, and therefore, cannot be displaced.
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APS Technology, High Torque Flexible Coupling, “Principle of Operation”, 1 page.
APS Technology, APS Products MWD suspensions,Suspension Rev, 1997, 1, 1 page.
Hewitt James M.
PS Technology, Inc.
Woodcock & Washburn LLP
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