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US 4,305,336 AGranted
Retractable derailment guard suspension
OwnerJohn C. Hunsberger, Buddy J. Paytoninventors
Life of this patent
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Abstract
A derail guard to prevent derailment of railed vehicles which can be readily attached to existing equipment is disclosed. The derail guard is particularly useful for track construction and repair equipment.
Claims4
A derail guard for rail vehicles of the type having flanged wheels supported on rails with an axle passing therethrough comprising:
- a. a suspension housing having a base for attachment to the vehicle and a leg pivotably attached to said base,
- b. attachment means attaching the base of the housing to a flanged wheel of the vehicle, comprised of a pair of struts sized so that they can engage the axle and attached to the base in a substantially parallel relation to each other and sufficiently far apart so that a flanged wheel will fit between the struts,
- c. first locking means for securing the leg to the base in an operable position,
- d. second locking means for securing the leg to the base in a rest position, and
- e. at least one roller member attached to the leg to engage the rail.
2 more elements
Dependencies are inferred from the claim text.