IT1072115B - Single piece bicycle hub - has one rim with thread, one with bearing track, several different diameter sprockets and free wheel facility - Google Patents

Single piece bicycle hub - has one rim with thread, one with bearing track, several different diameter sprockets and free wheel facility

Info

Publication number
IT1072115B
IT1072115B IT6986776A IT6986776A IT1072115B IT 1072115 B IT1072115 B IT 1072115B IT 6986776 A IT6986776 A IT 6986776A IT 6986776 A IT6986776 A IT 6986776A IT 1072115 B IT1072115 B IT 1072115B
Authority
IT
Italy
Prior art keywords
rim
thread
single piece
bearing track
several different
Prior art date
Application number
IT6986776A
Other languages
Italian (it)
Inventor
Segawa Takashi
Original Assignee
Shimano Industrial Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shimano Industrial Co filed Critical Shimano Industrial Co
Application granted granted Critical
Publication of IT1072115B publication Critical patent/IT1072115B/en

Links

Landscapes

  • Rolling Contact Bearings (AREA)

Abstract

The single piece bicycle hub (1) has two rims (1a) (1b) to which the spokes are fitted. One rim (1b) has a thread (1c) on its inner surface and the other rim (1a) has a bearing track (1d). A shaft (10) is threaded at each end (10a) and is fixed to the bicycle frame by nuts (11) (12) (13) (14). A cylindrical part (2) is screwed to the rim thread (1c) and has an annular extension with two ball tracks (2b) (2c) and another with a single ball track. On the outer ball races runs another hollow hub (5) to which is fitted a sleeve carrying a number of chain sprockets (6) of different diameters. A freewheel facility is also provided.
IT6986776A 1975-12-02 1976-12-01 Single piece bicycle hub - has one rim with thread, one with bearing track, several different diameter sprockets and free wheel facility IT1072115B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16460575 1975-12-02

Publications (1)

Publication Number Publication Date
IT1072115B true IT1072115B (en) 1985-04-10

Family

ID=15796346

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6986776A IT1072115B (en) 1975-12-02 1976-12-01 Single piece bicycle hub - has one rim with thread, one with bearing track, several different diameter sprockets and free wheel facility

Country Status (1)

Country Link
IT (1) IT1072115B (en)

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