Helical roll for a conveying unit

- FMC Corporation
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Description

FIG. 1 is a top front perspective view of a helical roll for a conveying unit showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being a mirror image of that shown;

FIG. 3 is a side elevation view thereof, the opposite side elevation view being a mirror image of that shown.

Referenced Cited
U.S. Patent Documents
3550756 December 1970 Kornylak
3552541 January 1971 Riggs
3621961 November 1971 Stumpt
3789947 February 1974 Blumrich
3876255 April 1975 Ilon
3878927 April 1975 Marakami
3964588 June 22, 1976 Kornylak
4279559 July 21, 1981 Stumpf
Foreign Patent Documents
1061694 July 1959 DEX
1198735 August 1965 DEX
2627014 December 1977 DEX
Other references
  • Article: Multi-Track From Mecanum from Rexroth International Quarterly Int. Edition 1985 1st Quarter ISSN 07-5636. Brochure: Conveyor Wheels, Omni-Wheels, Omni-Mat Petivey Interroll-pp. 7-10.
Patent History
Patent number: D294074
Type: Grant
Filed: Sep 27, 1985
Date of Patent: Feb 2, 1988
Assignee: FMC Corporation (Chicago, IL)
Inventor: John W. Sogge (Orlando, FL)
Primary Examiner: James M. Gandy
Assistant Examiner: Kay H. Chin
Attorneys: Ronald C. Kamp, Richard B. Megley
Application Number: 6/781,442
Classifications
Current U.S. Class: Belt Or Roller Conveyor (D34/29)