Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
224 words
A suction device adapted to be attached to a flat surface comprising: an elastic diaphragm; a stem connected to said diaphragm, said stem having a free end spaced from said diaphragm; a pair of integral pins extending from opposite sides of said stem adjacent to said free end thereof, said pins being located on a common axis extending transversely of the axis of said stem; a lever pivoted on said free end of said stem; said lever having a pair of spaced arms extending along said opposite sides of said stem; each of said arms having a substantially L-shaped slot extending from an edge thereof for receiving one of said pins to define a pivot axis for said lever; a reaction member interposed between said diaphragm and said lever; said reaction member having an opening in its central portion with said stem extending through said opening and an annular peripheral flange for engagement with said diaphragm near the periphery thereof; and means defining cooperating camming surfaces respectively on said lever adjacent the pivoted end thereof and on the central portion of said reaction member; said cooperating camming surfaces of said lever and said reaction member cooperating to draw a central portion of said diaphragm toward the central portion of said reaction member as said lever is pivoted from a first to a second position.
Claim 2
Dependent Claim
224 words
A suction device adapted to be attached to a flat surface comprising: an elastic diaphragm; a stem connected to said diaphragm, said stem having a free end spaced from said diaphragm; a pair of integral pins extending from opposite sides of said stem adjacent to said free end thereof, said pins being located on a common axis extending transversely of the axis of said stem; a lever pivoted on said free end of said stem; said lever having a pair of spaced arms extending along said opposite sides of said stem; each of said arms having a substantially L-shaped slot extending from an edge thereof for receiving one of said pins to define a pivot axis for said lever; a reaction member interposed between said diaphragm and said lever; said reaction member having an opening in its central portion with said stem extending through said opening and an annular peripheral flange for engagement with said diaphragm near the periphery thereof; and means defining cooperating camming surfaces respectively on said lever adjacent the pivoted end thereof and on the central portion of said reaction member; said cooperating camming surfaces of said lever and said reaction member cooperating to draw a central portion of said diaphragm toward the central portion of said reaction member as said lever is pivoted from a first to a second position.
Claim 3
Dependent Claim
57 words
A suction device as defined in claim 1 wherein: said reaction member includes an intermediate tapered portion extending between said central portion and said peripheral flange; and including projection means on said lever spaced from the free end of said stem for engaging the surface of said intermediate portion when said lever is in said second position.
Claim 4
Dependent Claim
63 words
A suction device as defined in claim 2 wherein: at least a portion of said lever when in said second position extends beyond the periphery of said annular peripheral flange; and said lever projection means is operative when engaging the surface of said intermediate portion to maintain said lever portion spaced away from the flat surface to which the suction device is attached.
Claim 5
Dependent Claim
36 words
A suction device as defined in claim 2, including means defining a recess on said intermediate portion engageable with said lever projection means for preventing rotational movement of said lever about the axis of said stem.
Claim 6
Dependent Claim
22 words
A suction device as defined in claim 1, wherein at least a portion of said lever includes means defining an article support.
Claim 7
Dependent Claim
16 words
A suction device as defined in claim 5, wherein said lever support portion defines a hook.
Claim 8
Dependent Claim
22 words
A suction device as defined in claim 6, wherein said hook has a minimum cross sectional dimension at the free end thereof.
Claim 9
Dependent Claim
34 words
A suction device as defined in claim 5, wherein said lever support portion includes a separable element, and means defining a tongue and groove connection between said lever support portion and said separable element.
Claim 10
Dependent Claim
118 words
A suction device as defined in claim 1 wherein: the free end of said stem including said pins has a maximum dimension in a direction axially of the axis of said pins and a minimum dimension in a direction transverse to the axis of said pins; and said opening in said reaction member having a maximum dimension corresponding to the maximum dimension of said free end of said stem and has a minimum dimension corresponding to the minimum dimension of said free end of said stem; whereby rotation of said stem relative to said reaction member after passage of said free end of said stem through said opening prevents inadvertent separation of said reaction member and said stem.
Claim 11
Dependent Claim
306 words
A suction device adapted to be attached to a flat surface comprising: an elastic diaphragm; a stem connected to said diaphragm; said stem having a free end spaced from said diaphragm and having first and second axially spaced portions; each of said first and second axially spaced portions having a maximum dimension transverse to the axis of said stem and minimum dimension transverse to the axis of said stem, the maximum dimension of said first portion being angularly offset from the maximum dimension of said second portion; said first and second portions being interconnected by an intermediate portion having a maximum dimension no greater than the minimum dimension of said first and second portions; a lever pivoted on a free end of said stem; a reaction member interposed between said diaphragm and said lever; said reaction member having an annular peripheral flange for engagement with said diaphragm near the periphery thereof and an opening in its central portion adapted to accommodate passage therethrough of said stem; the configuration of said opening accommodating passage therethrough of said first portion at only a limited number of angular positions of said stem and accommodating passage therethrough of said second portion at only a limited number of different angular positions of said stem; whereby rotation of said stem after passage through said opening of said first portion permits passage through said opening of said second portion and precludes inadvertent separation of said stem and said reaction member; means defining cooperating camming surfaces respectively on said lever adjacent the pIvoted end thereof and on the central portion of said reaction member; said cooperating camming surfaces of said lever and said reaction member cooperating to draw a central portion of said diaphragm toward the central portion of said reaction member when said lever is pivoted from a first to a second position.
Claim 12
Dependent Claim
306 words
A suction device adapted to be attached to a flat surface comprising: an elastic diaphragm; a stem connected to said diaphragm; said stem having a free end spaced from said diaphragm and having first and second axially spaced portions; each of said first and second axially spaced portions having a maximum dimension transverse to the axis of said stem and minimum dimension transverse to the axis of said stem, the maximum dimension of said first portion being angularly offset from the maximum dimension of said second portion; said first and second portions being interconnected by an intermediate portion having a maximum dimension no greater than the minimum dimension of said first and second portions; a lever pivoted on a free end of said stem; a reaction member interposed between said diaphragm and said lever; said reaction member having an annular peripheral flange for engagement with said diaphragm near the periphery thereof and an opening in its central portion adapted to accommodate passage therethrough of said stem; the configuration of said opening accommodating passage therethrough of said first portion at only a limited number of angular positions of said stem and accommodating passage therethrough of said second portion at only a limited number of different angular positions of said stem; whereby rotation of said stem after passage through said opening of said first portion permits passage through said opening of said second portion and precludes inadvertent separation of said stem and said reaction member; means defining cooperating camming surfaces respectively on said lever adjacent the pIvoted end thereof and on the central portion of said reaction member; said cooperating camming surfaces of said lever and said reaction member cooperating to draw a central portion of said diaphragm toward the central portion of said reaction member when said lever is pivoted from a first to a second position.
Claim 13
Dependent Claim
173 words
An article support adapted to be attached to a flat surface comprising: attaching means including an elastic diaphragm having a stem with a free end of said stem spaced from said diaphragm; the free end of said stem having a pair of opposed integral pins extending transversely of the axis thereof; a reaction member having an opening through which said stem extends with said pins spaced above said reaction member; a lever having a pair of spaced arms extending along opposite sides of said stem, each of said arms having an open ended, slot configured to receive one of said pins and to pivotally retain and support said lever on said stem; camming means on said arms and a central portion of said reaction member operative to draw a portion of said diaphragm towards said reaction member when said lever is pivoted to an operative position; and projection means on said lever for engaging said reaction member at a location spaced from said central portion when said lever is in its operative position.
Claim 14
Dependent Claim
173 words
An article support adapted to be attached to a flat surface comprising: attaching means including an elastic diaphragm having a stem with a free end of said stem spaced from said diaphragm; the free end of said stem having a pair of opposed integral pins extending transversely of the axis thereof; a reaction member having an opening through which said stem extends with said pins spaced above said reaction member; a lever having a pair of spaced arms extending along opposite sides of said stem, each of said arms having an open ended, slot configured to receive one of said pins and to pivotally retain and support said lever on said stem; camming means on said arms and a central portion of said reaction member operative to draw a portion of said diaphragm towards said reaction member when said lever is pivoted to an operative position; and projection means on said lever for engaging said reaction member at a location spaced from said central portion when said lever is in its operative position.
Claim 15
Dependent Claim
105 words
An article support as defined in claim 11, wherein: a portion of said lever extends beyond the periphery of said reaction member; said projection means comprises an integral projection extending from said lever and having a free edge engaging said reaction member intermediate its central portion and its periphery to space said portion of said lever away from said flat surface; and including means defining a recess on said reaction member for receiving at least a portion of said projection when said lever is in its operative position to prevent relative rotation between said reaction member and said lever about the axis of said stem.
Claim 16
Dependent Claim
63 words
An article support as defined in claim 11 wherein: the cross sectional configuration of said stem is different at axially spaced locations thereof; whereby rotation of said stem after passage of a portion thereof through said opening is required to permit passage of the remainder of said stem through said opening and inadvertent separation of said stem and said reaction member is precluded.
Claim 17
Dependent Claim
128 words
An article support as defined in claim 11, wherein: said stem has first and second axially spaced portions of generally rectangular cross section interconnected by a circular portion; said first and second portions having minor and mojor dimensions thereof being angularly offset with respect to each other; said integral pins extending from opposed surfaces of said first portion and defining in part the major dimension thereof; said opening being generally rectangular and having slots extending from opposed sides thereof to accommodate passage therethrough of said pins; said opening accommodating passage therethrough of said second portion only after rotation of said stem when said circular portion is in said opening after passage therethrough of said first portion; whereby inadvertent separation of said stem and said reaction member is prevented.