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US 4,382,416 AGranted
Detachable nestable mast steps
OwnerOgden Kellogg-Smithinventor
Life of this patent
Estimating the term…
Abstract
Mast steps that may be attached to any vertical spar or surface when needed for climbing said spar or surface, and removed and nested for easy storage when not in use.
Claims8
A step comprising:
- (a) a substantially vertical leg,
- (b) a substantially horizontal leg connected to said substantially vertical leg,
- (c) a generally T-shaped protrusion and a pin spaced therefrom extending from said substantially vertical leg in a direction opposite to the direction of said substantially horizontal leg, and
- (d) at least one hole in said substantially vertical leg positioned between said protrusion and said pin, whereby mast steps may be nested with pins of adjacent nested steps extending through a hole of at least its next adjacent step.
1 more element
A method of providing a sailboat mast with detachable, nestable steps comprising:
- (a) providing a mast with a plurality of spaced apart slots and holes,
- (b) providing a plurality of steps with a T-shaped protrusion and a spaced apart pin on a leg thereof,
- (c) turning said step at an angle of about 90.degree. C. to said mast,
- (d) inserting said T-shaped protrusion into said slot,
- (e) rotating said step to substantially parallel to said mast, and
- (f) inserting said pin in said hole.
3 more elements
Dependencies are inferred from the claim text.