Movable or removable closures – With means mounting closure for reciprocation – Revolving guide component; e.g. – roller or gear
Patent
1982-02-09
1983-09-20
Downey, Kenneth
Movable or removable closures
With means mounting closure for reciprocation
Revolving guide component; e.g., roller or gear
49420, 16 99, 16105, E05D 1302
Patent
active
044047711
ABSTRACT:
A door roller provided with an engagement arm which is capable of being engaged with, by an engaging member attached to an upwardly bent end of the engaging arm, a guide groove formed with a downward opening longitudinally along a lower frame of a window structure for preventing a sliding door from an accidental removal. An inner housing retaining a tire shaft is rotatably pivoted to an outer housing of the door roller via another axis parallel to the tire shaft. The engagement arm which is engaged with the inner housing by way of an engaging mechanism is disposed freely movable upwards and downwards in relation to the outer housing. The engaging mechanism is located at a further position than the tire shaft from the another axis such that the engagement arm may be moved vertically, when the tire has been ascended or descended by a predetermined amount, by a larger amount than or an approx. equal amount to the predetermined amount in relation to the outer housing.
REFERENCES:
patent: 3670357 (1972-06-01), Steigewald
Kanegae Tosiyuki
Mitsuzawa Hideaki
Murase Yasushi
Tatsumi Tosiyuki
Downey Kenneth
Nippon Alumi Jutaku-Kenzai Kogyo Co., Ltd.
The Nippon Aluminum Mfg. Co., Ltd.
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