Patent attributes
This support apparatus includes a fixation member and a support member attachable to and detachable from an opening portion of the fixation member. A first upper surface portion of the opening portion is formed of: a first front surface portion sloped in a downward direction; and a first rear surface portion formed continuously from the first front surface portion and sloped in an upward direction. A first lower surface portion is sloped in parallel with the first front surface portion. A second upper surface portion of the support member is formed of: a second front surface portion to contact the first front surface portion; and a second rear surface portion to contact the first rear surface portion. A second lower surface portion is sloped in a downward direction, at a slope angle, so as to contact with an opening-side end of the first lower surface portion.
