Adjustable clamp for supporting a railway rail

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Description

FIG. 1 is a top plan view of an adjustable clamp for supporting a railway rail showing my new design.

FIG. 2 is a bottom plan view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
2863608 December 1958 Harper
2904256 September 1959 Devaney, Jr.
3295761 December 1964 Marcin
4566630 January 28, 1986 Keiper
4756477 July 12, 1988 Schumaker
4770342 September 13, 1988 Farrell et al.
4770343 September 13, 1988 Heim et al.
4819869 April 11, 1989 Matlock
Foreign Patent Documents
2481334 October 1981 FRX
Patent History
Patent number: D317278
Type: Grant
Filed: Feb 21, 1989
Date of Patent: Jun 4, 1991
Inventor: Frank P. Bobb (Camp Hill, PA)
Primary Examiner: James M. Gandy
Assistant Examiner: Melody N. Brown
Attorney: Harold I. Masteller, Jr.
Application Number: 7/313,271
Classifications
Current U.S. Class: Tie Plate Or Clamp (D12/51)