Nikkei falls after Fed, construction equipment makers battered

* Fed upgrades economic view, on track to rate hikes * Komatsu, Hitachi Construction fall sharply after earnings * Canon disappoint investors, a weaker yen only bright spot * Market supported by buying from BOJ, pensions - analysts By Hideyuki Sano TOKYO, Jan 29 (Reuters) - Japan's Nikkei average slipped on Thursday in sympathy with falls in Wall Street shares following the Fed's unwavering stance on rate hikes, with construction equipment makers badly hit by disappointing e