Arrangement for force transfer between longitudinally stressed members
AssigneeH. Weidmann AG
InventorErwin Isler
Life of this patent
Estimating the term…
Abstract
For the progressive transfer of a tension or traction force from a fiber-reinforced plastic anchoring rod 10 to a threaded sleeve 20 surrounding one end of the rod, sawtooth shaped teeth are provided. The inclined flanks 6 of the teeth are increasingly longer as a function of the distance from the end 22 of the rod. The tooth length extension corresponds to the expansion of the rod under the local traction force which, because it becomes lower at each flank, decreases on a step-by-step basis. With this arrangement the rod can be stressed up to its breaking load without causing any damage to the threaded sleeve. This connection is suitable for any staying to fasten a cable to an anchoring element.
Claims7
A structural arrangement for the transfer of a traction force (K1) applied to a first elongate element (1) and acting parallel to an interface surface (3) thereof, to a second elongate element (2) resting on the first element and having an interface surface (4) mating with that of the first element, said second element being held in place and being pushed against the first element with a lateral force (P) directed approximately vertically to the interface surfaces, the improvement comprising:
- a plurality of parallel, sawtooth shaped elevations of equal height (5, 6, 7) on both interface surfaces engaged with each other in a shape-locked manner, defining corresponding inclined flanks (6) of increasing length in the direction of application of the traction force on the first element and being essentially in full flank surface contact with each other;
- whereby, each tooth transmits nearly the same amount of force from said first element to said second element.
A structural arrangement for the transfer of a traction force (K1) applied to a first elongate element (1) and acting parallel to an interface surface (3) thereof, to a second elongate element (2) held in place and resting on the first element and having an interface surface (4) mating with that of the first element, said second element being pushed against the first element with a lateral force (P) directed approximately vertically to the interface surfaces, the improvement comprising:
- a plurality of parallel, sawtooth shaped elevations of equal height (5, 6, 7) on both interface surfaces engaged with each other in a shape-locked manner defining corresponding inclined flanks (6) increasingly shorter in the direction of application of an increasing traction force (KI) on the first element and being essentially in full flank surface contact with each other;
- such that each tooth transmits nearly the same amount of force from said first element to said second element.
Dependencies are inferred from the claim text.