This Standard specifies the requirements and testing of overhead guards, operators' legs and feet protection system for rider operated,powered fork lift trucks with a lift height exceeding 1 800 mm (hereafter referred to as "forklift").
JIS D 6021:2011 Referenced Document
ISO 13564-1 Powered industrial trucks - Test methods for verification of visibility - Part 1: Sit-on and stand-on operator trucks and variable-reach trucks up to and including 10 t capacity*， 2012-09-01 Update
JIS A 8315:2001 Earth-moving machinery -- Human physical dimensions of operators and minimum operator space envelope
JIS A 8318:2001 Earth-moving machinery -- Seat index point (SIP)