Door closers

Details Door closers Door closers

1989-02-23

1991-02-12

Seidel, Richard K.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

Spring and flexible link

16 61, E05F 100

Patent

active

049912569

ABSTRACT:
In a door closer comprising spring means (17) within a housing (10) adapted for mounting with the thickness of the door (12) and an anchor member (30) adapted for mounting on a door frame (32), a tension member (20) whereby the spring means draws the anchor member towards the housing to effect door closure includes at least an outer end portion in the form of a cable (21) at its free end a domed abutment member (22) which is engaged behind the anchor member (30) and at a position spaced from the abutment member a collar (25) of non-round external shape whereby firstly a spacer member (40) can be interposed between the collar (25) and the housing (10) to facilitate the mounting of the closer, and secondly by engagement of the collar (25) by means of a spanner (50) the capable can be rotated to adjust the spring force of the closer through axial movement of a member (18) which is acted on by the spring ( 15) relative to a threaded member (19) at the inner end of the tension member (20).

REFERENCES:
patent: 1478376 (1923-12-01), Bernhard
patent: 1834609 (1931-12-01), Fitts

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