Linear actuator shaft

- Tri-Tech, Inc.
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FIG. 1 is an end/side isometric view of a linear actuator shaft of my new design, with the shaft thereof in extended position;

FIG. 2 is an end/side isometric view thereof, with the shaft in retracted position;

FIG. 3 is a side elevational view thereof, with the shaft in extended position; and,

FIG. 4 is an end elevational view thereof; it being understood that the matter shown in broken lines on the drawing figures is for illustrative purposes only and forms no part of the claimed design.


The ornamental design for a linear actuator shaft, as shown and described.

Referenced Cited
U.S. Patent Documents
5187990 February 23, 1993 Magnussen, Jr. et al.
5570769 November 5, 1996 Eicher et al.
6073405 June 13, 2000 Kasai et al.
6365993 April 2, 2002 Calhoon et al.
6486420 November 26, 2002 Boettcher et al.
Patent History
Patent number: D482707
Type: Grant
Filed: Oct 1, 2002
Date of Patent: Nov 25, 2003
Assignee: Tri-Tech, Inc. (Waterbury, CT)
Inventor: Keith Kowalski (Bethlehem, CT)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: John H. Crozier
Application Number: 29/168,352
Current U.S. Class: Bearing, Bushing, Or Pillow Block (D15/143)
International Classification: 1509;