Locking device for trailing wheels of a wheeled carriage

Details Locking device for trailing wheels of a wheeled carriage Locking device for trailing wheels of a wheeled carriage

1982-09-21

1984-11-20

Silverberg, Fred Andrew

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

Locked

16 38, B60B 3302

Patent

active

044830424

ABSTRACT:
A locking device for locking the trailing wheels of a wheeled carriage, particularly of a perambulator, in the straight running position, the trailing wheels being mounted for pivotal movement about an upright axis extending perpendicular to their axis of rotation without intersecting it, wherein a support member carrying the axis of rotation of the trailing wheel is connected to a vertically extending sleeve mounted for rotation about its vertical axis in a concentrically surrounding cylindrical recess in the wheeled carriage, and wherein a resiliently deformable plug extends through the sleeve from above, the plug having a disk-shaped enlarged head portion engaging the rim of the upper end face of the recess and being in positive locking engagement with the sleeve so that the plug is non-rotatably connected therewith, the locking device including a substantially vertically extending engagement surface formed on the disk-shaped head portion for positive locking engagement with a locking member pivotally mounted on the wheeled carriage in the locking position thereof.

REFERENCES:
patent: 740267 (1903-09-01), Gamble
patent: 1555839 (1925-10-01), Fries et al.
patent: 2434863 (1948-01-01), Parkhill
patent: 3636586 (1972-01-01), Bollinger

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