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US 4,539,927 AGranted
Telescoping pole
OwnerRobert R. Foresmaninventor
Life of this patent
Estimating the term…
Abstract
There is described an extendable telescoping pole which can be locked in an extended position. The pole includes a rope or line which can be manually adjusted to thereby continuously adjust the length of the pole. The line can be locked in position to assure that the pole remains at the appropriate extended length.
Claims13
An extendable pole comprising,
- a first tube member (5),
- a second tube member (2) axially disposed within said first tube member,
- elongated drive means (1) conected to the opposite ends of said second tube member, and
- guide means for supporting said elongated drive means relative to said first and second tube members,
- said guide means includes first sheave means disposed adjacent one end of said first tube member, and
- second sheave means disposed within said second tube member adjacent the other end of said first tube member,
- said elongated drive means arranged to pass around both of said first and said second sheaves.
4 more elements
Dependencies are inferred from the claim text.