Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1978-05-18
1980-03-18
Shedd, Wayne L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
1014151, B21B 3108, B60B 702
Patent
active
041931785
ABSTRACT:
A coating roller having a cylindrical drum with a replaceable cover formed of a sheet metal substrate upon which is bonded a resilient plastic outer surface layer. A pair of closely spaced, parallel, longitudinally extending rigid strips are positioned upon the drum surface and fastened at their opposite ends to the drum ends for short distance sidewise movement towards and away from each other upon the drum surface. The drum surface, except for the area covered by and between the strips, is coated with an even thickness layer of a substantially incompressable, resilient, elastomeric material upon which the cover substrate is wrapped. The ends of the substrate are formed to engage with their adjacent strips so that movement of the strips towards each other locks the cover upon the drum and reverse movement permits disengagement of the cover ends from the strips for removal of the cover.
REFERENCES:
patent: 1827300 (1931-10-01), Pritchard et al.
patent: 2965024 (1960-12-01), Ziebell
patent: 3631801 (1972-01-01), Luehrs
patent: 3765329 (1973-10-01), Kirkpatrick et al.
patent: 4006686 (1977-02-01), Ackerman
patent: 4061087 (1977-12-01), Hill
Hodge Gerard
Holsgrove Robert J.
McArthur Alexander D.
Persista, Inc.
Shedd Wayne L.
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