Self-locking brake for portable stand

A brake for a portable stand includes a bracket for attaching the brake to the stand, a sleeve attached to one edge of the bracket, and a plunger movable within the sleeve. A toggle joint, connected between the bracket and one end of the plunger, has a pivot plate as one arm of the toggle joint and...

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Bibliographic Details
Main Authors KRAMER; MARK J, KRAMER; THEODORE B, KRAMER; BERNARD L
Format Patent
LanguageEnglish
Published 11.07.1995
Edition6
Subjects
HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
PERFORMING OPERATIONS
SLEDGES
TRANSPORTING
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Summary:A brake for a portable stand includes a bracket for attaching the brake to the stand, a sleeve attached to one edge of the bracket, and a plunger movable within the sleeve. A toggle joint, connected between the bracket and one end of the plunger, has a pivot plate as one arm of the toggle joint and a handle attached to the pivot plate for extending and retracting the plunger. A foot attached to the free end of the plunger is either a friction pad or a caster and is attached to the plunger by a leveling screw. The edge of the bracket includes a recess for receiving the toggle joint in an over-center position.
Bibliography:Application Number: US19930055746