Machine element or mechanism – Elements – Cams
Patent
1992-02-18
1993-06-15
Lorence, Richard M.
Machine element or mechanism
Elements
Cams
403261, F16H 5305
Patent
active
052188825
ABSTRACT:
The hub body has an annular support region, spacer regions on either side of the support region, and threaded regions at the axial ends. Each threaded region has an axially extending slot. First and second cam rings, which each have an inner opening with an effective diameter that is less than the outer diameter of the support region and substantially equal to the outer diameter of the spacer regions, are situated in respective spacer regions in abutting relationship with respective sides of the support ring. Respective first and second spacer rings having inner diameters substantially equal to those of the cams, are also situated in the spacer region in abutting relationship with the cams, so that each cam is sandwiched between one side of the support region and a spacer ring. Each spacer ring has a tab or key member projecting radially inwardly from the spacer ring inner diameter into the slot. First and second locking rings having threaded inner diameters are advanced along the threaded regions and tightened against the respective spacer rings, so as to lock the cams in place.
REFERENCES:
patent: 1392363 (1921-10-01), Shannon
patent: 1773539 (1930-08-01), Miller
patent: 3075369 (1963-01-01), Swire
patent: 3380766 (1968-04-01), Meibuhr
patent: 4880085 (1989-11-01), Taylor
patent: 4890945 (1990-01-01), Arter et al.
patent: 4938094 (1990-07-01), Cochard
patent: 5007302 (1991-04-01), Chen
patent: 5048366 (1991-09-01), Spanio
Lorence Richard M.
Newcomb Spring Corporation
Ta Khui Q.
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