Connector for tubular bars and attachment members in a space framework
First Claim
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1. In a space framework comprising a plurality of tubular bars and attachment members, a plurality of connectors interconnecting said bars and said attachment members, each said connector comprising:
- a cylindrical body portion located within one end of one of said bars;
said body portion and one end of said bar defining corresponding holes, a snap-fit assembly including bolt means, locatable in said corresponding holes, spring means urging said bolt means into said corresponding holes, and a grub screw which can selectively be brought into abutment with said bolt means to lock said bolt means in position in said corresponding holes, releasably interengaging said body portion and said one bar;
an engagement member engaging one of said attachment members;
adjustable swivel-joint means interconnecting said body portion and said engagement member; and
releasable locking means operatively associated with said swivel-joint means, whereby said engagement member can be adjusted to a desired orientation with respect to said body portion by virtue of said swivel-joint and locked in said desired orientation by means of said locking means.
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Abstract
A connector 11 for connecting tubular bars at variable mutual angles by means of a spherical attachment member 13 with tapped holes 26. The connector 11 has a lockable ball 31 and socket 32 joint from which a bolt 23 extends for engagement in the tapped holes 26. The connector also has a lockable snap-fit assembly 24 arranged to engage a tubular bar located over the body of the connector 11.
25 Citations
8 Claims
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1. In a space framework comprising a plurality of tubular bars and attachment members, a plurality of connectors interconnecting said bars and said attachment members, each said connector comprising:
- a cylindrical body portion located within one end of one of said bars;
said body portion and one end of said bar defining corresponding holes, a snap-fit assembly including bolt means, locatable in said corresponding holes, spring means urging said bolt means into said corresponding holes, and a grub screw which can selectively be brought into abutment with said bolt means to lock said bolt means in position in said corresponding holes, releasably interengaging said body portion and said one bar;
an engagement member engaging one of said attachment members;
adjustable swivel-joint means interconnecting said body portion and said engagement member; and
releasable locking means operatively associated with said swivel-joint means, whereby said engagement member can be adjusted to a desired orientation with respect to said body portion by virtue of said swivel-joint and locked in said desired orientation by means of said locking means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- a cylindrical body portion located within one end of one of said bars;
Specification