| 摘要 |
An auxiliary spring unit is for use with locks having a frame with a flat thereon and having a hand hold adapted to be mounted on a spindle rotatable on the frame. The unit has a capsule including a cylindrical cup with an inturned flange. A ring is rotatably disposed within the cup and has walls defining axially extending pockets. A closure plate interlocked with the flange has a flat engaging the flat on the frame and has lugs extending axially toward, or in substantially axial alignment with, the pockets. Springs curved within the cup bear simultaneously against the pocket walls and against the lugs to act as yieldable positioning devices.
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