Extensible shaft

- 420820 Ontario Limited
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Description

FIG. 1 is a perspective view of the extensible shaft emodying our design;

FIG. 2 is a front view of the extensible shaft;

FIG. 3 is a side view of the extensible shaft;

FIG. 4 is a rear view of the extensible shaft;

FIG. 5 is a top view of the extensible shaft;

FIG. 6 is a bottom view of the extensible shaft;

FIG. 7 is a perspective view of the shaft in an extended position;

FIG. 8 is a perspective view of a second embodiment of the design, the undisclosed sides appearing the same as the first disclosed embodiment except for the quadrilateral, rather than cylindrical shaft segment; and,

FIG. 9 is a perspective view of the second embodiment in an extended position.

The shaft is shown partially broken away in the various views to indicate indeterminate length.

Referenced Cited
U.S. Patent Documents
99657 February 1870 DuVall
D337495 July 20, 1993 Alexander
1600796 September 1926 Campbell
4571885 February 25, 1986 Uemura et al.
4662775 May 5, 1987 Faul
4685823 August 11, 1987 Lopez
4705491 November 10, 1987 Andersson
5048366 September 17, 1991 Spanio
5542213 August 6, 1996 Freeman
Foreign Patent Documents
1165338 October 1958 FRX
1290356 March 1962 FRX
4118929 October 1991 DEX
839155 June 1960 GBX
Other references
  • Home Replacement Center Cat. No. H138-77 of 1977, p. 29: item Nos. HCC12 and HCC108.
Patent History
Patent number: D382472
Type: Grant
Filed: Nov 8, 1995
Date of Patent: Aug 19, 1997
Assignee: 420820 Ontario Limited (Vaughan)
Inventors: John Robert Davies (Vaughan), Sean James Davies (Vaughan)
Primary Examiner: Philip S. Hyder
Assistant Examiner: C. Tuttle
Attorneys: Neil H. Hughes, Ivor M. Hughes, Marcelo K. Sarkis
Application Number: 0/46,151
Classifications
Current U.S. Class: D/8400; D8/499
International Classification: 0809;