record medium insertion opening of a disk player or a like apparatus which is effective in reduction in size of the apparatus and allows the record medium insertion opening to be kept in a closed condition whether a record medium is loaded in position in the apparatus or not the door arrangement includes a first door member for opening or closing one of two divisional portions of the record medium insertion opening provided by dividing the record medium insertion opening along a line extending in a longitudinal direction of the record medium insertion opening a second door member for opening or closing the other one of the two divisional portions of the record medium insertion opening and spring elements for urging the first and second door members to respective closing positions in which the first and second door members close the record medium insertion opening respectively the first and second door members are supported for individual forward and rearward pivotal motion around respective axes extending in parallel to and adjacent the opposite longitudinal edges of the record medium insertion opening application_number US 74865291 A description referring first to fig1 and 2 there is shown a magneto optical disk player in which a door arrangement for a record medium insertion opening according to the present invention is incorporated the magneto optic disk player is generally denoted at 1 and includes a front panel 2 in which a horizontally elongated substantially rectangular cartridge insertion opening 4 for inserting a cartridge 3 into the the magneto optical disk player 1 therethrough is formed as particularly seen in fig2 the front panel 2 has a pair of vertically elongated relief recesses 2a formed on a rear face thereof in.