Bicycle freewheel core holder

Details Bicycle freewheel core holder Bicycle freewheel core holder

1985-03-25

1987-06-02

Schmidt, Frederick R.

Work holders

Holder inserted within work aperture

269278, B25B 504

Patent

active

046697144

ABSTRACT:
Two generally semicylindrical halves are held by an O ring encircling them with generally diametral matching surfaces in engagement. Lugs projecting from the matching surfaces are engageable in sockets in the other matching surfaces to deter sliding of the halves parallel to the matching surfaces. The matching surfaces have transverse ridges and clearance so that pressing tail portions of the halves at one side of the ridges will spread head portions at the opposite side of the ridges into clamping engagement with the aperture of a freewheel core into which such head portions are fitted.

REFERENCES:
patent: 1211414 (1917-01-01), Croman
patent: 1667934 (1928-05-01), Henze
patent: 2418626 (1947-04-01), Damrell
patent: 3074156 (1963-01-01), Hinrichsen et al.

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