Coupling part by which at least one tubular or bar-shaped...

Pipe joints or couplings – Vacuum cleaner type

Reexamination Certificate

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Details

C285S319000, C285S307000

Reexamination Certificate

active

06964434

ABSTRACT:
A coupling part joins at least one tubular or bar-shaped part to a further part. The coupling part contains at least one sleeve part that accommodates the tubular or bar-shaped part, whereby at least one first detent element is provided on the inside of the sleeve part and interacts with a first counter detent element provided on the tubular or bar-shaped part. The detent connection of the first detent and counter detent element can be disengaged by displacing the sleeve part. A coupling part of the aforementioned type is characterized by its ability to be easily disengaged.

REFERENCES:
patent: 1273896 (1918-07-01), Matin
patent: 2784987 (1957-03-01), Corcoran
patent: 3339944 (1967-09-01), Poague
patent: 4036515 (1977-07-01), Karcher et al.
patent: 4307902 (1981-12-01), Schnatzmeyer
patent: 4373753 (1983-02-01), Ayers et al.
patent: 4398757 (1983-08-01), Floyd et al.
patent: 4902045 (1990-02-01), McGugan et al.
patent: 4915421 (1990-04-01), Dennany Jr.
patent: 5042848 (1991-08-01), Shiozaki
patent: 5141263 (1992-08-01), Varden
patent: 5310226 (1994-05-01), Norkey
patent: 5458379 (1995-10-01), Hamada et al.
patent: 5954370 (1999-09-01), Pietersen
patent: 0 937 435 (1999-08-01), None
patent: 2700196 (1993-06-01), None

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