A mortise and tenon joint of two or more structural members wherein mortise and tenon are securely joined by moveable wedges in a locking mechanism. Several locking mechanisms, including hinged structures, are disclosed in which moveable wedges forcibly move the tenon and mortise in opposite directi
A mortise and tenon joint of two or more structural members wherein mortise and tenon are securely joined by moveable wedges in a locking mechanism. Several locking mechanisms, including hinged structures, are disclosed in which moveable wedges forcibly move the tenon and mortise in opposite directions thereby drawing the tenon into the mortise.
대표청구항▼
1. A mortise and tenon joint of two structural members comprising: an upright element and a perpendicular element, said upright element and said perpendicular element comprising said two structural members, anda mortise formed in one structural member, said through mortice having a shoulder, a front
1. A mortise and tenon joint of two structural members comprising: an upright element and a perpendicular element, said upright element and said perpendicular element comprising said two structural members, anda mortise formed in one structural member, said through mortice having a shoulder, a front opening, a rear opening, and a mortise cavity, anda tenon of any length, but wherein the other dimensions of the tenon are slightly less than those of the mortise, thereby facilitating easy insertion and extraction of the tenon into and out of the mortise, wherein the shoulder of said tenon is beveled, and the front opening of said mortise is correspondingly beveled such that when the tenon is introduced into the mortise the tenon is urged to center within the mortise cavity, wherein the tenon has a first groove of tapered cross section across the tenon, the first groove remaining partially covered by the rear opening of said mortise when the tenon is fully seated in the mortise,a first movable wedge, the first moveable wedge intersecting the mortise when the tenon is fully seated in the mortise, the first moveable wedge configured to be placed into engagement with the first groove, the first moveable wedge then acting upon both the first groove and the mortise by urging the first groove and the mortise in opposite directions, to draw the tenon tightly into the mortise thereby preventing the structural members from separating until the first moveable wedge is withdrawn, anda locking system, the locking system configured to operate as said first moveable wedge, the locking system comprising two articulating members, said two articulating members comprised of a first articulating member and a second articulating member wherein said first articulating member is longer than said second articulating member, said two articulating members connected along one common side such that they form a hinged structure. 2. The mortise and tenon joint as described in claim 1, wherein the locking system is configured to pivot along the common connection freely to an open side of the joint, and having a stop which limits travel to slightly more than 180 degrees on a closed side of the joint, the locking system's travel being confined by a restraint on the mortise end of the system and by the first groove in the tenon on the opposite end of the system, the locking system being longer than the void between the stop and the first groove, the locking system configured to urge said first articulating member into the void between the mortise restraint and the first groove, forcing the tenon away from the mortise restraint until the articulating members of the locking system traverse slightly past 180 degrees and stop, thereby fixing the locking system in place, providing tensile force to maintain constant pressure against the tenon, the mortise restraint, and the tenon, and further locking the tenon to the mortise until the locking system is released. 3. The mortise and tenon joint of claim 1 further comprising: a second groove, said second groove configured such that the first and second grooves are oriented with bilateral symmetry with respect to an axis along the length of said tenon,a second moveable wedge,wherein said first moveable wedge is urged into said first groove and said second moveable wedge is urged into said second groove, wherein said first moveable wedge and said second moveable wedge cooperatively urge both said mortise and said tenon to draw the tenon tightly into the mortise. 4. A mortise and tenon joint of three structural members comprising: an upright element and a first perpendicular element, comprising two of said three structural members,a mortise, said mortise formed in the first perpendicular element,a tenon, of any length, said tenon comprising the third structural member, said tenon configured wherein the dimensions of the tenon are slightly less than those of the mortise, said tenon oriented perpendicularly as a second perpendicular element,said upright element having an opening allowing the tenon to pass through, the tenon having shoulders, the tenon configured to connect the upright member and the first perpendicular element, said tenon having a first groove of tapered cross section across the tenon, the first groove remaining partially covered by an opening in said mortise when the tenon is fully seated in the mortise,said mortise and tenon joint further comprising a first movable wedge, the first moveable wedge intersecting the mortise when the tenon is fully seated in the mortise, the first moveable wedge configured to be forcibly placed into engagement with the first groove, and act upon both the first groove and the mortise, to draw the tenon tightly into the mortise thereby preventing the structural members from separating until the first moveable wedge is withdrawn, anda locking system, the locking system configured to operate as said first moveable wedge, the locking system comprising two articulating members, said two articulating members comprised of a first articulating member and a second articulating member wherein said first articulating member is longer than said second articulating member, said two articulating members connected along one common side such that they form a hinged structure. 5. The mortise and tenon joint as described in claim 4, wherein the locking system is configured to pivot along the common connection freely to an open side of the joint, and having a stop which limits travel to slightly more than 180 degrees on a closed side of the joint, the locking system's travel being confined by a restraint on the mortise end of the system and by the first groove in the tenon, the locking system being longer than the void between the stop and the first groove, the locking system configured to urge the articulating members of the locking system into the void between the mortise restraint and the first groove, with the tenon being urged away from the mortise restraint until the articulating members traverse slightly past 180 degrees and stop, thereby fixing the locking system in place, providing tensile force to maintain constant pressure against the tenon and the mortise restraint, and locking the tenon to the mortise until the locking system is released. 6. The mortise and tenon joint of claim 4 further comprising: a second groove, said second groove configured such that the first and second grooves are oriented with bilateral symmetry with respect to an axis along the length of said tenon,a second moveable wedge,wherein said first moveable wedge is urged into said first groove and said second moveable wedge is urged into said second groove, wherein said first moveable wedge and said second moveable wedge cooperatively urge both said mortise and said tenon to draw the tenon tightly into the mortise.
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