Title: Roller device

Abstract: This invention relates to improvements in a roller device by which articles placed on a roller face are moved in a desired direction in a plane, and composed of a main body, a plurality of rollers mounted around the periphery thereof with a cylindrical boss included in the main body and adapted to receive a shaft for mounting a plurality of the devices.

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Inventors: Murakami, Masahiro

Application Number: 545908
Filing Date: 1975-01-31
Publication_date: 1976-06-08
Assignee:
Primary Class(es): 193/37
Other Classes:
US Patent Ref:

1539833	Jun, 1925	Fahrenwald	432/246.
1737117	Nov, 1929	Morton	198/127.
1789847	Jan, 1931	Smith	198/127.
1791166	Feb, 1931	Kathner	198/127.
2169623	Aug, 1939	Weiss et al.	193/37.
2650603	Sep, 1953	Howes	193/37.
3363735	Jan, 1968	Hotchkiss	193/37.
3710917	Jan, 1973	Black et al.	198/127.
3878927	Apr, 1975	Murakami	193/37.

Other Refs: 305,900

Feb, 1929	UK

Primary Examiner: Blunk, Evon C.
Assistant Examiner: Rowland, James L.
Attorney: Armstrong, Nikaido & Wegner