Back to results
US 6,314,691 B1Granted
Inspection opening frame
AssigneeFukuvi Chemical Industry Co., Ltd.
InventorsKyozaburo Takagi, Kazuhiko Kise, Shinjiro Yagi
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeFukuvi Chemical Industry Co., Ltd.
InventorsKyozaburo Takagi, Kazuhiko Kise, Shinjiro Yagi
Estimating the term…
An inspection opening frame includes frame components each of which is provided with a support portion extending along the inner surface of an inspection opening, a front wall holding portion projecting outward from the front surface of the support portion, a rear lid holding portion projecting inward from the rear surface of the support portion, a front lid holding portion projecting inward from the front surface of the support portion and pivotally supported about a hinge, a rear wall holding portion projecting outward from the rear surface of the support portion and pivotally supported about another hinge, and locking portions each having a hook and a projection for disengageably locking the front lid holding portion and the rear wall holding portion in holding positions. The inspection opening frame can be easily mounted at the inspection opening without using a backing or the like.
An inspection opening frame mountable at an inspection opening formed in an enclosure member for holding a lid, comprising a frame component including:
Dependencies are inferred from the claim text.