Pipe joints or couplings – Variable length – Telescopic with relative motion
Patent
1981-07-15
1983-08-23
Scanlan, Jr., Richard J.
Pipe joints or couplings
Variable length
Telescopic with relative motion
285189, 248333, 248 52, F16L 3904, F16L 2700
Patent
active
044000235
ABSTRACT:
A suspension unit for a power tool comprises a pair of telescopically engaged members and a spring unit acting between the members to draw one member within the other. The member is provided with a support bracket whereby it can be hung from a support in use and the member is adapted to support the power tool. Means in the form of a lateral peg mounted upon a movable guide block to which the member is secured, and a slot through which the peg extends, acts to prevent relative rotation of the members. In this way any reaction torque developed on the power tool will be transmitted to and resisted by the support.
REFERENCES:
patent: 634464 (1899-10-01), Kent
patent: 971899 (1910-10-01), Kennedy
patent: 3211473 (1965-10-01), Schmid
patent: 3666220 (1972-05-01), Rider
patent: 4289292 (1981-09-01), Kunjumon
Lucas Industries Limited
Scanlan, Jr. Richard J.
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