Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1997-05-29
1999-03-23
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Elements
74528, 74530, 74475, G05G 506
Patent
active
058845330
ABSTRACT:
A device for holding and adjusting the opening angle of a door includes a first lever having a forked end with two generally parallel lugs which are respectively provided with substantially aligned first and second pivot holes, and a second lever which has a journal member for insertion into the first pivot hole, the journal member having a threaded hole and a first engagement surface. A first detent member is inserted between the parallel lugs and has a pivot slot aligned with the first and second pivot holes. The first detent member further includes a second engagement surface for engagement with the first engagement surface, and a detent face. A resilient second detent member is mounted inside the first lever inwardly of the forked end to engage the detent face.
REFERENCES:
patent: 594946 (1897-12-01), Grossman
patent: 2899841 (1959-08-01), Melloy
patent: 3204734 (1965-09-01), McMaken
patent: 3525272 (1970-08-01), Olson
patent: 5213004 (1993-05-01), Hoblingre
patent: 5319992 (1994-06-01), Shui-Te
patent: 5461937 (1995-10-01), Cymbal
patent: 5606893 (1997-03-01), Shifflett
patent: 5622083 (1997-04-01), Kirimoto et al.
Huang Wen-Liang
Shyu Song-Gen
Luong Vinh T.
Tong Lung Metal Industry Co. Ltd.
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