Builder's hardware; a manual for architects, builders and house furnishers . Fig. 138. Acme Barn-doorRoller. Moore Mfg. Co. Stay-roller. 92 B UILDERS HA RD WA 140. Victor Stay-rollVictor Mfg. Co. Chapter VI. this way the wheel will clear away any collection of snow orice by its own action and enable the door to roll easily. The standing objection to barn-door rollers which are appliedto the bottom of the door, is that they are too easily thrown off the track by obstructions and alsothat the track itself is apt to getin the way and be a bother indriving over it. The greatestamount of ingen
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 138. Acme Barn-doorRoller. Moore Mfg. Co. Stay-roller. 92 B UILDERS HA RD WA 140. Victor Stay-rollVictor Mfg. Co. Chapter VI. this way the wheel will clear away any collection of snow orice by its own action and enable the door to roll easily. The standing objection to barn-door rollers which are appliedto the bottom of the door, is that they are too easily thrown off the track by obstructions and alsothat the track itself is apt to getin the way and be a bother indriving over it. The greatestamount of ingenuity has beenexpended upon door-hangers inwhich the door is suspended froma track at the top. The onlyobjection which is to be urgedagainst this manner of arrang-ing a sliding-door, is that in caseof a violent wind the door would be forced inward. This diffi-culty can be in a measure obviated by the use of some formof stay-roller, suchas Figure 140,which can be at-tached so as toprevent any lat-eral motion of thedoor. This formof stay-roller isalso used for doorswhich slide onsheaves at the bot-tom, taking theplace of an over-head groove. There are real-ly
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