Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Reexamination Certificate
1999-10-25
2001-07-24
Graham, Gary K. (Department: 1744)
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
Reexamination Certificate
active
06263538
ABSTRACT:
TECHNICAL FIELD
The invention relates to a connecting element for connecting a windshield wiper blade to a wiper arm hook, wherein the connecting element can be used for different hook widths and hook depths.
PRIOR ART
German Utility Module DE-GM 85 09 539 has disclosed an intermediary connecting element for connecting a windshield wiper blade to a driving lever, which is used for three different hook widths or hook depths and can at the same time be fixed in its position on the hook. To that end, the intermediary connecting element is split in two so that the hook is completely enclosed.
A connecting piece has been disclosed by FR-A1-2 533 517 which can be fastened to two hooks that differ in width and depth.
Furthermore, receptacles are provided for wiper arms without hooks. Here, the disadvantage is that a relatively voluminous component is required.
FR-A1 2 487 757 discloses a connecting element which can be fastened to narrow, deep hooks and to wide, shallower hooks.
FR-A1 2 692 537 discloses another connecting element which can receive a wide, deep hook or a narrower, shallower hook and is then locked onto it.
U.S. Pat. No. 5,084,933 also discloses a connecting element for fastening to a wiper arm, wherein here, however, three different fastening methods are demonstrated, namely hooks, bayonet connection, or pin fastening.
SUMMARY OF THE INVENTION
Through the angular rotation of the two mounting axes, a compact connecting element is produced for different embodiments of wiper arm hooks, which have a different width, but the same hook depth.
Since the connecting element fits different wiper arm hooks, the wiper blade can be provided with the connecting element, which permits an adapter box for a number of connecting elements to be eliminated.
All wiper arm hooks are guided laterally through the housing side walls, wherein according to one modification, the narrower wiper arm hooks are guided by means of contact faces on the insides of the side walls.
In another modification, the locking takes place in the longitudinal direction by means of a film hinge which can be locked behind a detent projection on the opposite side.
REFERENCES:
patent: 4443907 (1984-04-01), Chamberlain
patent: 5611103 (1997-03-01), Lee
patent: 85 09 539 (1985-08-01), None
patent: 655373 (1995-05-01), None
patent: 2482914 (1981-11-01), None
patent: 2 487 757 (1982-02-01), None
patent: 2 533 517 (1984-03-01), None
patent: 2 692 537 (1993-12-01), None
Mayer Juergen
Roekens Jurgens
Westermann Klaus-Juergen
Wijnants Peter
Graham Gary K.
Robert & Bosch GmbH
Striker Michael J.
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