Seat for heavy equipment having buffer means in forward and...

Details Seat for heavy equipment having buffer means in forward and... Seat for heavy equipment having buffer means in forward and...

2008-04-03

2011-12-20

Culbreth, Eric (Department: 3616)

Motor vehicles

Manually actuated controlling devices

With movable control station or seat position

C180S329000, C180S330000, C248S561000

Reexamination Certificate

active

08079438

ABSTRACT:
A seat for heavy equipment having a buffer in forward and backward directions, which can protect an operator by attenuating impact and vibration generated in a cab in forward and backward directions of an excavator in accordance with the driving of the buffer in a main working mode of the excavator. The seat includes a lower member mounted on a suspension plate, an upper member slidably mounted on the lower member in forward and backward directions of the equipment, a buffer unit for attenuating impact and vibration generated in the forward and backward directions of the equipment, a tilting unit, and a locking unit. In a main working mode, a buffer function is performed through forward and backward movement of the upper member against the lower member, and when the main working mode is released, the buffer function is released.

REFERENCES:
patent: 4344597 (1982-08-01), Eimen
patent: 2003/0112583 (2003-06-01), Kim

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