Mechanism for preventing the shaking of a drum chair
AssigneeHoshino Gakki Co., Ltd.
InventorYoshihiro Hoshino
Life of this patent
Estimating the term…
Abstract
A chair including a mechanism for preventing shaking of the chair due to vibration of a drum performance, or the like. The chair seat is attached to an upper support post by a holder that clamps around the upper support post. The holder includes two opposite holder parts which are drawn together by tightening screws. The upper support post is received in the interior of a lower support tube. A shaking prevention compression bush is disposed on the lower part of the upper support inside the interior of the lower support and presses against the interior wall of the lower support preventing shaking of the upper and lower supports.
Claims13
A chair including a mechanism for preventing shaking of the chair, the chair comprising:
- a seat including a seat plate with an underside;
- a holder for supporting the seat and located at the underside of the seat plate;
- an upper support in the form of a first post extending to the holder, the holder being detachably attachable to the upper support, the holder comprising two separate side portions at different positions around the upper support, and a connection between the two sides of the holder operable for drawing the sides of the holder toward each other for clamping the holder around the support for clamping the holder on the upper support;
- a lower support beneath the upper support, the lower support including a tube with an interior into which the upper support is installed from above the lower support;
- a shaking prevention bush on and around the upper support and within the interior of the lower support, the bush being shaped and sized so as to press against the interior of the tube of the lower support for preventing shaking of the lower support with respect to the upper support;
- and
- chair support legs attached to the lower support for supporting the chair.
A chair including a mechanism for preventing shaking of the chair, the chair comprising:
- a seat including an underside;
- a holder for supporting the seat and located at the underside of the seat;
- an upper support in the form of a first post extending to the holder, the holder being detachably attachable to the upper support;
- a lower support beneath the upper support, the lower support including a tube with an interior into which the upper support is installed from above the lower support;
- a shaking prevention bush on and around the upper support and within the interior of the lower support, the bush being shaped and sized so as to press against the interior of the tube of the lower support for preventing shaking of the lower support with respect to the upper support;
- and
- chair support legs attached to the lower support for supporting the chair.
Dependencies are inferred from the claim text.