JPS6178953U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show an embodiment of the present application, FIG. 1 is an overall side view in an expanded state, FIG. 2 is an overall side view in a contracted state,
FIG. 3 is a perspective view of the legs in each bleacher seat. In the figure, 1, 2, 3 are bleacher seats, 4 is a wheel, 5 is a horizontal leg, 6 is a cross beam, 7 is a pedestal, 9, 17 is a support beam, 10, 19 is a leg body, 12, 22 is a floor plate, 16,
23 is a chair, 24 is a lifting actuator, and a and b are movable floor tables.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) Consisting of legs with wheels on the underside, a floor plate suspended horizontally on the upper part of the legs, and a chair arranged so as to be able to rise and fall along the length of the floor plate. A telescopic movable viewing platform consisting of a plurality of movable platforms, in which the first movable platform is nested inside the second movable platform in the contracted state, and the floorboards are interlocked so that they are arranged in a step-like manner in the extended state. In the seats, two adjacent movable floor platforms in the front stage are integrated to form a bleacher unit, and in each bleacher seat unit, one of the front floor and rear seats is moved by a lifting actuator for the other. Telescopic movable spectator seats characterized by being equipped so that they can be raised and lowered freely. (2) The legs of the rear movable platform of the two movable platforms constituting the bleacher unit are a pair of horizontal legs on the left and right that have wheels on the underside, and a pair of left and right legs that are respectively erected at the rear end. It consists of a leg pillar, a cross beam suspended horizontally between the upper parts of the foot pillar, and support beams that protrude forward from the left and right positions of the cross beam, respectively, and the front leg body is
The telescopic movable spectator seat according to claim 1, which is a registered utility model, and is constructed of a support beam that is approximately twice as long as the support beam and has a rear end that is attached to each of the pillars so as to be able to rise and fall. (3) The telescopic movable spectator seat according to claims 1 and 2 of the utility model registration claim, wherein the elevating and lowering actuating body is provided to extend and retract in the vertical direction along the pedestal.