Joints and connections – Including ancillary means blocking disconnection of joint – Blocker is catch or key
Patent
1983-08-22
1985-01-08
Kundrat, Andrew V.
Joints and connections
Including ancillary means blocking disconnection of joint
Blocker is catch or key
403324, 403263, 403247, B25G 300, F16D 100
Patent
active
044924895
ABSTRACT:
A mortice and tenon joint of two structural members which avoids the protrusion of the tenon beyond the mortice. Across the tenon (11) of one member (10) there is cut a dovetail aperture or slot (12), and a movable tapering wedge (16) of similar dovetail cross-section is slidably housed within a tapering channel also of similar dovetail cross-section which crosses the mortice (14) of the other member (13) such that when the tenon (11) is inserted wholly into the mortice (14) the wedge (16) may be driven along the tapered channel to become firmly engaged within the dovetail aperture or slot (12) thus to lock the members (10, 13) together and prevent them from separating until the wedge (16) is withdrawn.
REFERENCES:
patent: 2562483 (1951-07-01), Bender
The Technique of Furniture Making by Ernest Joyce, pp. 187, 188, published 1970.
Article "Mortise and Tenon" from Periodical Fire Woodwoorking Summer 1976.
Kundrat Andrew V.
The Victoria University of Manchester
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