Closing device for original cover

Details Closing device for original cover Closing device for original cover

1998-05-12

2000-12-12

Knight, Anthony

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

Closers

Spring

16303, 16341, E05F 108

Patent

active

061580856

ABSTRACT:
In order to provide a closing device for an original cover in which a spring case is not cracked or broken during use even if zircon by which the spring case can be cheaply manufactured and which has excellent mechanical characteristics is especially used, the closing device has the spring case made of a synthetic resin provided for either an attaching member attached to a machine body or a supporting member for holding the original cover rotatably connected to the attaching member via a hinge pin and the rotation moment of the original cover attached to the supporting member is controlled by using a compression force of a compression coil spring housed in the spring case, wherein a reinforcing frame member made of a metal for reinforcing the spring case is attached to the spring case.

REFERENCES:
patent: 3401422 (1968-09-01), Ventura
patent: 4000540 (1977-01-01), Newlon
patent: 4424606 (1984-01-01), Sorimachi
patent: 4658473 (1987-04-01), Schema
patent: 5628089 (1997-05-01), Wilcox et al.

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