Joints and connections – Having a cam – wedge – or tapered portion
Patent
1976-08-16
1977-06-28
Shedd, Wayne L.
Joints and connections
Having a cam, wedge, or tapered portion
403358, 403374, F16B 214
Patent
active
040322475
ABSTRACT:
A lockable wedge for securing heavy objects in place is disclosed. The wedge has typically a thin forward edge or face tapering to a thick rear edge or face with a longitudinally grooved, inclined surface connecting the forward edge to the upper junction of the rear edge and inclined surface. A substantially vertical tubular hole located near the rear edge communicates with said longitudinal groove. A stiff, bendable rod member shaped to have one end positioned in said hole and the remainder of the rod disposed within said groove and extending to a point near or beyond the forward edge of the wedge forms the locking element of the wedge. The wedge locks in place by having the wedge positioned such that the forward edge of the wedge extends beyond a vertical surface of the wedged object so that the forward end of the rod member may be bent into an upright position to prevent the wedge from being dislodged rearwardly.
REFERENCES:
patent: 1770390 (1930-07-01), Cauldwell
patent: 3722932 (1971-11-01), Dougall
patent: 3834826 (1974-09-01), Simond
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