Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers
Patent
1994-10-31
1996-05-21
Bray, W. Donald
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Checks and closers
16 82, 16 85, E05F 300, E05F 506
Patent
active
055177190
ABSTRACT:
An adjustable delayed-action door closing device, particularly for use with screen doors or storm doors. The device comprises a cylindrical housing with a piston disposed within with the cylindrical housing. A biasing mechanism urges the piston into the cylindrical housing and a controlling mechanism controls the rate at which the piston is so urged. The shaft of the piston has a section of greater diameter than the remainder of the shaft a compression member cooperatively located within the cylindrical housing. The compression member is compressible to a diameter equal to or less than the greater diameter of the shaft, to provide friction contact with the greater diameter of the shaft when it is located within the compression member. A mechanism to pre-set and adjust the degree of friction contact of the compression member and the section of the shaft with greater diameter is provided.
REFERENCES:
patent: 2063526 (1936-12-01), Snowdon
patent: 3555591 (1971-01-01), Sogoian
patent: 4920609 (1990-05-01), Lin
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