Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
155 words
A hollow tubular first member having only one opening in a side wall thereof, a second hollow concentric tubular member removably positioned within the first member, having a first opening in a wall thereof coincident in size and shape with the opening in the side wall of the first member, a second opening in a wall of the concentric second member opposed to the first opening in the second member, and a cross-bracing member removably connected to the first member, the outer dimensions and shape of the end of which cross-bracing member register with the coinciding openings in the first and second members and pass through said openings, with the free end portion of the cross-brace received within the second opening in the second member along a chordal plane segmenting the side wall of the second member, and means on the second member supporting the end portion of the cross brace along said chordal plane.
Claim 2
Dependent Claim
155 words
A hollow tubular first member having only one opening in a side wall thereof, a second hollow concentric tubular member removably positioned within the first member, having a first opening in a wall thereof coincident in size and shape with the opening in the side wall of the first member, a second opening in a wall of the concentric second member opposed to the first opening in the second member, and a cross-bracing member removably connected to the first member, the outer dimensions and shape of the end of which cross-bracing member register with the coinciding openings in the first and second members and pass through said openings, with the free end portion of the cross-brace received within the second opening in the second member along a chordal plane segmenting the side wall of the second member, and means on the second member supporting the end portion of the cross brace along said chordal plane.
Claim 3
Dependent Claim
19 words
An article as in claim 1, including means releasably to lock the cross-brace within and to the first member.
Claim 4
Dependent Claim
44 words
An article as in claim 2, wherein the locking means comprise a pin extending dismetrically from the end of the cross-bracing member, and the aligned openings in the first and second members, and include diametrically opposed slots permitting passage of the lock pin therethrough.
Claim 5
Dependent Claim
31 words
An article as in claim 2 wherein the second opening in the second member is of the same size and shape as the aligned openings in the first and second members.
Claim 6
Dependent Claim
33 words
An article as in claim 2, wherein the area of the second member margining the second opening therethrough is shouldered inwardly thereby to provide a support for the free end of the cross-brace.
Claim 7
Dependent Claim
23 words
An article as in claim 2, wherein the lock means comprise a spring-loaded button having a locking head mounted within the second member.
Claim 8
Dependent Claim
19 words
An article as in claim 6, in which the operating head is manipulable only from within the second member.
Claim 9
Dependent Claim
25 words
An article as in claim 6, in which the operating head is manipulable selectively from within the second member or from a point spaced therefrom.