Latch for telescoping handle of vacuum cleaner

Details Latch for telescoping handle of vacuum cleaner Latch for telescoping handle of vacuum cleaner

1988-07-13

1990-11-06

Kundrat, Andrew V.

Joints and connections

Biased catch or latch

By separate spring

403329, 403330, 285320, B25G 318

Patent

active

049681745

ABSTRACT:
A molded resin integral spring in a latch member is backed up by a prestressed metal flat spring. The flat spring is retained in the latch member by a boss molded into a cavity in a latch button and by a slot in a cantilevered member. The resilient springback of the flat spring backs up the resilience of the integral spring to provide long-term positive latching.

REFERENCES:
patent: 2712151 (1955-07-01), Becht
patent: 3245698 (1966-04-01), Fromknecht
patent: 3602009 (1971-08-01), Powell
patent: 3713076 (1973-01-01), Gabrielian et al.
patent: 4669755 (1987-06-01), Harris et al.
patent: 4798098 (1989-01-01), Keller et al.

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