Joints and connections – Having a cam – wedge – or tapered portion
Patent
1981-02-04
1984-02-07
Shedd, Wayne L.
Joints and connections
Having a cam, wedge, or tapered portion
403 49, 182178, B25G 300, F16B 214, F16B 2180, F16G 1100
Patent
active
044300190
ABSTRACT:
A wedge-and-bolt connector assembly for adjustably fixing a stud to a slotted thin-walled structure or the like, and especially for use in a scaffolding or shoring system to connect braces to vertical support elements or stanchions when the latter have outwardly opening T-slotted channels formed therein, which assembly includes a stud (advantageously having a T-shaped head adapted to be received in the channel) and a shank extending through the channel slot away from the head. The shank has a bearing surface thereon facing the stud head; and a tapered wedge is slidably mounted on the shank for engaging the bearing surface, thereby to urge the bolt head against the shoulders of the channel and firmly secure the stud to the support element. The wedge preferably has a longitudinal slot through which said T-bolt is loosely mounted. The free end of the stud may include an extension having a toggle thereon or other illustrated modifications for securing the brace to the stud shank. For saftey, the shank of the T-bolt advantageously has at least a flattened portion (e.g. a squared portion) to engage the sides of the wedge-slot or the channel slot for positive orientation; the wedge having a nub on its underside to fit in the channel slot to orient the wedge parallel to the channel slot.
REFERENCES:
patent: 2904870 (1959-09-01), Hillberg
patent: 3095672 (1963-07-01), DiTullio et al.
patent: 3307871 (1967-03-01), Russell et al.
patent: 3589525 (1971-06-01), Allen
patent: 3813179 (1974-05-01), Priest
patent: 4004393 (1977-01-01), Morris
patent: 4188143 (1980-02-01), Matsuura
patent: 4194338 (1980-03-01), Tratton
Harsco Corporation
Shedd Wayne L.
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