Suction device and supporting device having the same

Details Suction device and supporting device having the same Suction device and supporting device having the same

2007-10-24

2010-10-19

King, Anita M (Department: 3632)

Supports

Brackets

Specially mounted or attached

C248S362000

Reexamination Certificate

active

07815155

ABSTRACT:
A suction device includes a sucking disc disposed under an upright sleeve, a connecting seat disposed in the sleeve and connected to the sucking disc, and an elongate operating block mounted slidably on the sleeve. The operating block is formed with a cam surface biased to contact a follower portion of the connecting seat. When the operating block is moved relative to the sleeve from a non-sucking position, where the follower portion engages a second positioning portion of the operating block, to a sucking position, where the follower portion engages a first positioning portion of the operating block, the cam surface pushes the connecting seat to move away from a supporting surface, thereby forming a vacant space between the sucking disc and the supporting surface.

REFERENCES:
patent: 3765638 (1973-10-01), Harrison
patent: 7092521 (2006-08-01), Wang
patent: 7303171 (2007-12-01), Chen
patent: 7469868 (2008-12-01), Bury
patent: 7607622 (2009-10-01), Carnevali
patent: 2006/0284043 (2006-12-01), Paradise et al.

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