Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
100 words
In a collapsible road trailer comprising a central main beam, a base comprising separate side members and means hingeing said side members to said main beam, a collapsible wall structure, means for removably securing said wall structure to said base, two wheel assemblies and means for removalby securing said wheel assemblies to said base, the improvement comprising said main beam being hollow, a tow bar telescoped within said main beam and means locking said tow bar at a predetermined position within said main beam, said locking means being operated by the hingeing down of said side members of said base.
Claim 2
Dependent Claim
100 words
In a collapsible road trailer comprising a central main beam, a base comprising separate side members and means hingeing said side members to said main beam, a collapsible wall structure, means for removably securing said wall structure to said base, two wheel assemblies and means for removalby securing said wheel assemblies to said base, the improvement comprising said main beam being hollow, a tow bar telescoped within said main beam and means locking said tow bar at a predetermined position within said main beam, said locking means being operated by the hingeing down of said side members of said base.
Claim 3
Dependent Claim
30 words
A collapsible road trailer according to claim 1 wherein said side members and said main beam are formed with registering openings and said locking means comprise lugs engaging said openings.
Claim 4
Dependent Claim
32 words
A collapsible road trailer according to claim 2 wherein said lugs are fixed rigidly to said members whereby to be inserted through said registering openings when said side members are hinged downwardly.
Claim 5
Dependent Claim
41 words
A collapsible road trailer according to claim 1 wherein said tow bar comprises an encircling projection for engagement with a surface at the open end of said central beam whereby to ensure location of said tow bar at said predetermined position.
Claim 6
Dependent Claim
128 words
A collapsible road trailer comprising a central main beam, a base comprising separate side members and means hingeing said side members to said main beam, a collapsible wall structure, means for removably securing said wall structure to said base, a transversely extending inverted channel secured to the underside of the said base, said inverted channel having open ends, two wheel asemblies, each said wheel assembly fitting into a respective open end of said inverted channel, each said wheel assembly including a projecting portion limiting insertion of said wheel assembly into said inverted channel, and toggle clamps within said inverted channel for drawing the respective wheel assemblies into said inverted channel until limited by the respective said projecting portion, whereby to removably secure said wheel assemblies to said base.
Claim 7
Dependent Claim
128 words
A collapsible road trailer comprising a central main beam, a base comprising separate side members and means hingeing said side members to said main beam, a collapsible wall structure, means for removably securing said wall structure to said base, a transversely extending inverted channel secured to the underside of the said base, said inverted channel having open ends, two wheel asemblies, each said wheel assembly fitting into a respective open end of said inverted channel, each said wheel assembly including a projecting portion limiting insertion of said wheel assembly into said inverted channel, and toggle clamps within said inverted channel for drawing the respective wheel assemblies into said inverted channel until limited by the respective said projecting portion, whereby to removably secure said wheel assemblies to said base.