CLIFFORD WARREN GOLDSTEIN
Pilots at Baca Cir, Boulder, CO
License number
Colorado A0693095
Issued Date
Nov 2016
Expiration Date
Nov 2018
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
5542 Baca Cir, Boulder, CO 80301
Personal information
See more information about CLIFFORD WARREN GOLDSTEIN at radaris.comName
Address
Phone
5542 Baca Cir, Boulder, CO 80301
5542 Baca Cir, Boulder, CO 80301
Denver, CO
Professional information
Fluid Seal And Rod Wiper Assembly
US Patent:
4850602, Jul 25, 1989
Filed:
Nov 30, 1987
Appl. No.:
7/126558
Inventors:
Clifford W. Goldstein - Boulder CO
Mark A. Krzemien - Churubusco IN
Jay Witte - Decatur IN
Mark A. Krzemien - Churubusco IN
Jay Witte - Decatur IN
Assignee:
W. S. Shamban & Company - Santa Monica CA
International Classification:
F16J 1532
US Classification:
277205
Abstract:
Disclosed herein is a fluid seal and rod wiper assembly suitable for insertion in annular groove of a piston housing packing chamber. The rod wiper assembly comprises a generally U-shaped elastomeric rod wiper having a thin lip which wipes a piston shaft and a thicker lip which provides a shoulder for accommodating an interference or compression fitting locking ring. An alternative embodiment includes a cantilever spring which is snap fit into the u-shaped compartment of the rod wiper. Another alternative embodiment includes an O-ring positioned within the u-shaped compartment defined by the rod wiper.
Slant Coil Spring And Seal
US Patent:
5542682, Aug 6, 1996
Filed:
Mar 27, 1995
Appl. No.:
8/410717
Inventors:
Clifford W. Goldstein - Boulder CO
Timothy F. Miller - Thornton CO
Timothy F. Miller - Thornton CO
Assignee:
American Variseal - Broomfiled CO
International Classification:
F16J 906
US Classification:
277164
Abstract:
A coil spring including a plurality of coils connected to one another in series. Each of the coils has a front portion and a rear portion. The front portion of at least one of the coils includes a first section disposed at a first predetermined angle relative to a plane perpendicular to the spring centerline and a second section disposed at a second predetermined angle relative to the spring centerline. The coil spring is suitable for use in a variety of applications including, but not limited to, seals.