The chassis (1) is provided with an upper chassis (11) and a lower chassis (12) which can open or close relative to the upper chassis.

The pantograph is provided with an underframe (6), a bottom frame (8) and a top frame (10) slidably attached to the underframe, and a collector shoe (5) supported by the tip of the top frame.

A chassis for a clap-skate or a similar device has upper (1) and lower sub-chassis (2).

An upper frame is disposed at a side of the main frame.

When stacked, the air inlet of the upper chassis may be disposed above the truncated portion of the lower chassis.

The exercise apparatus may be configured with a lower frame and an upper frame.

Fastening the fastening sections from the upper chassis and the lower chassis causes the actuator, the lamp block, and the circuit board to be assembled to the upper chassis and the lower chassis.

The apparatus (12) includes a lower chassis (44) and an upper chassis (37).

A extension segment is arranged between the undercarriage and the superstructure, by means of which a vertical distance between the undercarriage and the superstructure can be extended.

The frame includes a front frame portion, a mid- frame portion, and a rear frame portion.

The flasks comprise a cope, a drag, and a lower filling frame.

Each of the plurality of chassis may be a dedicated equipment chassis or a universal equipment chassis.

The frame is coupled to at least one of the lift frame or a structural frame.

for category T

The extractor includes a frame and a pivot frame disposed on the frame.