Joint for truss structure

A joint structure for removably attaching a ball member having an outer surface to an end of a bar member to form a truss structure comprising:

• a) an engagement member attached to the ball member, the engagement member having an outer portion engageable from exteriorly of the ball member;
• b) attachment means operatively associated with the bar member and removably engaged with the outer portion of the engagement member from the exterior of the ball member so as to removably attach the ball member to the end of the bar member;
• c) a tension rod extending through the bar member;
• and,
• d) tension adjusting means operatively associated with the tension rod.

A joint structure for removably attaching a ball member having an outer surface to an end of a bar member to form a truss structure comprising:

• a) an engagement member comprising a shaft member attached to the ball member, the engagement member having an outer portion engageable from exteriorly of the ball member and having threads formed on its exterior portion;
• b) attachment means operatively associated with the bar member and removably engaged with the outer portion of the engagement member from the exterior of the ball member so as to removably attach the ball member to the end of the bar member;
• and,
• c) a tension rod extending through the bar member.

A joint structure for removably attaching a ball member having an outer surface to an end of a bar member to form a truss structure comprising:

• a) an engagement member comprising a shaft member attached to the ball member, the engagement member having an outer portion engageable from exteriorly of the ball member and having threads formed on its outer portion;
• b) a stop member attached to the outer portion of the shaft member;
• and,
• c) attachment means operatively associated with the bar member removably engaged with the outer portion of the engagement member from the exterior of the ball member so as to removably attach the ball member to the end of the bar member wherein the attachment means comprises:
• i) a flange extending from an end of the bar member;
• and,
• ii) means to removably fasten the flange to the stop member.

A joint structure for removably attaching a ball member having an outer surface to an end of a bar member to form a truss structure comprising:

• a) an engagement member fixedly attached to the ball member, the engagement member having an outer portion engageable from exteriorly of the ball member wherein the engagement member comprises a shaft member attached to the ball member and having threads formed on its outer portion;
• b) a stop member attached to the outer portion of the shaft member;
• and,
• c) attachment means operatively associated with the bar member and removably engaged with the outer portion of the engagement member from the exterior of the ball member so as to removably attach the ball member to the end of the bar member, wherein the attachment means comprises:
• i) a flange extending from an end of the bar member;
• and,
• ii) means to removably fasten the flange to the stop member.