Foldable hunting seat

DETAILED DESCRIPTION Accordingly, it is a principal object of the invention to provide a new and improved portable seat device for use by sportsmen and others which has a supporting frame structure of maximum stability and which, when mounted on a tree, results in a negligible amount of damage to its bark.
A further object is to provide a portable seat device which is convenient to carry and easily secured to a tree or vertical wood post.
A still further object is to provide a device having a seat platform which tends to slope downwardly towards the trunk of a tree upon which the device is mounted and having a backrest so that a user can sit comfortably facing either the tree or away from it.
A still further object is to provide a device which includes a foldable arm with locking means for supporting a seat member, the arm holding any position into which it is rotatable without falling downwardly unexpectedly, so that the device can be used in a situation in which an auxiliary platform such as a deer stand is mounted underneath it allowing a user to sit on the device or stand on the platform, alternately.
In accordance with the present invention, there is provided a portable seat device comprising a frame member to the upper surface of which is attached at least one coupler and means for encircling the trunk of a tree including a pair of flexible members.
A pronged support pin is threadedly engageable with the coupler and is so positioned that the longitudinal axis of its shaft is generally perpendicular to an elongated tailpiece within the frame member.
One end of each flexible member is secured to the frame member so that a portion of the flexible member passes over the upper surface of the frame member and proximate the coupler when the trunk is encircled.
To facilitate the insertion of the pronged end of the support pin into the bark of a tree, means including the elongated tailpiece is provided for increasing tension on the flexible member encircling the trunk.
The increase in tension arises continuously and simultaneously with a shifting in the orientation of the shaft of the support pin as the longitudinal axis of the shaft is brought into general alignment with the tension forces on the flexible members, this general alignment being achieved even as the end of the tailpiece distal the support pin is lowered to abut the trunk of the tree