Adjustable pitch sprocket

Details Adjustable pitch sprocket Adjustable pitch sprocket

1984-09-05

1986-02-18

Leppink, James A.

Endless belt power transmission systems or components

Pulley with expansible rim means or pulleys with alternately...

Structure for variably adjusting radius of rim section

474162, 74448, F16H 902

Patent

active

045712182

ABSTRACT:
The pitch of the sprocket is adjusted by radially moving the sprocket teeth (2/24) outward: an annular array of evenly spaced ridges and notches are provided on the mounting surfaces (8) of the adaptors (3) or upon mounting surfaces (27) along the periphery on one side of an adaptor disc (25), and matching evenly spaced ridges and notches are provided on each tooth (2/24). The ridged and notched surfaces allow the teeth to be moved outwardly from the center of the adaptor one or more spaces at a time, while securing the teeth in all directions when bolted in place through the round and slotted holes.

REFERENCES:
patent: 2451690 (1948-10-01), Oehler
patent: 2469665 (1949-05-01), Patmore
patent: 4531926 (1985-07-01), Reeves

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