Sprocket conversion kit for garage door opener

Details Sprocket conversion kit for garage door opener Sprocket conversion kit for garage door opener

1991-05-22

1992-08-11

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

F16H 700

Patent

active

051375001

ABSTRACT:
A sprocket conversion kit for a garage door opener which includes a drive plate detachably mountable on a high speed output drive sprocket to provide an alternative low speed sprocket drive for endless chain belt drive. The drive plate has a shallow recess to receive the high speed sprocket with openings formed to provide engagement between the high speed sprocket teeth and the drive plate.

REFERENCES:
patent: 601990 (1889-04-01), Suter
patent: 2128425 (1938-08-01), Martelli
patent: 2451690 (1948-10-01), Oehler
patent: 3082637 (1963-03-01), Paxton
patent: 3321040 (1967-05-01), Kouzuki
patent: 3477303 (1969-11-01), Brilando
patent: 4231191 (1980-11-01), Ellmore
patent: 4313281 (1982-02-01), Richmond
patent: 4794731 (1989-01-01), Willmott et al.

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