Runner lock device for umbrella

Details Runner lock device for umbrella Runner lock device for umbrella

2005-09-13

2005-09-13

Canfield, Robert (Department: 3635)

Tent, canopy, umbrella, or cane

Umbrella

Retainers

C135S028000, C135S039000, C135S040000

Reexamination Certificate

active

06941960

ABSTRACT:
A runner lock device for umbrella includes a retainer attached onto an outer peripheral portion of a central post, a barrel slidably engaged onto the central post and having an opening to receive the retainer and to latch the barrel to the retainer and to the central post. A sleeve is slidably engaged onto the barrel and has an actuator arranged to engage with the retainer and to disengage the retainer from the barrel when the sleeve is moved relative to the barrel. The retaining device may be easily secured onto the central post, and no holes are required to be formed in the central post, and no spring members or latches are required to be engaged into the central post.

REFERENCES:
patent: 508189 (1893-11-01), Swan
patent: 1236299 (1917-08-01), Hart
patent: 2528003 (1950-10-01), Katzberg
patent: 3424180 (1969-01-01), Andolfi
patent: 5184639 (1993-02-01), Lee
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patent: 2002/0179130 (2002-12-01), Ko
patent: 2003/0062075 (2003-04-01), Ko
patent: 2003/0183261 (2003-10-01), Lee
patent: 2004/0011391 (2004-01-01), Lin et al.
patent: 2004/0107980 (2004-06-01), Wang
patent: 621691 (1981-02-01), None

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