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US 11,598,134 B2Granted
Door closer arrangement
AssigneeAbloy Oy
InventorsSauli Seppänen, Juhani Karvonen
Life of this patent
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Abstract
The aim of the invention is to achieve a door closer arrangement (1) where the force needed for opening the door (2) is not so substantial. The invention comprises a door closer (6), a slide rail (7), and an arm (8) that connects the door closer with the slide rail. The arrangement comprises also a second rail (9), which is arranged to form a slide slope for the door closer (6) and the auxiliary spring arrangement.
Claims22
A door closer arrangement, comprising
- a door closer;
- a slide rail;
- an arm that connects the door closer with the slide rail;
- a second rail;
- a carriage configured to be attached to the second rail in a sliding manner, the carriage being arranged to form an attachment with the door closer;
- a first low-friction arrangement between the second rail and the carriage;
- a second low-friction arrangement between the arm and the slide rail;
- and
- an auxiliary motion arrangement configured to aid movement of the carriage and the door closer along the second rail, the auxiliary motion arrangement comprising:
- a raising part at a first end of the second rail, forming a slide slope for the door closer, the first end configured to be installed adjacent a hinge side of a door;
- and
- an auxiliary spring arrangement attached at a first end to the slide rail and attached at a second end to the second rail.
9 more elements
Dependencies are inferred from the claim text.