US 6,292,977 B1Granted

Vacuum fitting

AssigneeCanplas Industries Ltd.

InventorsJames Mantyla, Nicholas Broeders

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Abstract

A vacuum fitting for connection to a remote source of vacuum, the vacuum fitting comprising a main body mountable to a fixed structure. The main body includes an inlet opening and an outlet opening; an openable closure mounted to the main body and being moveable between an open position and position covering the inlet opening; a latch member selectively positionable to keep the closure in said covering position when positioned between the main body and the closure and to permit said closure to move to an open position when not positioned between said main body and the closure; and a biaser to urge the closure to an open position. A switch is also provided to initiate the remote source of vacuum when the closure is moved to the open position by the biaser.

Claims12

Dependent claims

A vacuum fitting for connection to a source of vacuum, said vacuum fitting comprising:

a main body mountable to a fixed structure adjacent to a surface to be swept, said main body including a sweepings inlet opening and an outlet opening;
an openable closure mounted to said main body and being moveable between an open position and position covering said sweepings inlet opening;
a latch member selectively positionable to keep said closure in said covering position when positioned between said main body and said closure and to permit said closure to move to an open position when not positioned between said main body and said closure said latch member including an outwardly extending toe lift portion;
a biaser to urge said closure to an open position;
and
a switch to initiate said remote source of vacuum when said closure assumes said open position.

3 more elements

Dependencies are inferred from the claim text.