Door closer

Details Door closer Door closer

1986-05-22

1987-08-18

Kazenske, E. R.

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

Closers

Spring and gear

16 62, 16 64, 16DIG10, 16DIG39, E05F 108

Patent

active

046867392

ABSTRACT:
A door closer the closing force of which can be adjusted is provided with a device for indicating the selected closing force. The device used to indicate the prevailing closing force is actuated in dependence on the adjustment of the spring which determines the closing force.

REFERENCES:
patent: 270368 (1883-01-01), Barlow
patent: 1632924 (1927-06-01), Schmidt
patent: 1791896 (1931-02-01), Henning
patent: 2139592 (1938-12-01), Kirby
patent: 3934307 (1976-01-01), Lasier et al.
patent: 4103881 (1978-08-01), Simich

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