Tapeline having an easy-release stop mechanism

Details Tapeline having an easy-release stop mechanism Tapeline having an easy-release stop mechanism

1995-07-10

1997-08-19

Fulton, Christopher W.

Geometrical instruments

Distance measuring

By flexible tape

2423813, G01B 310

Patent

active

056575513

ABSTRACT:
Disclosed is a tapeline having an easy-release stop mechanism, mainly including a casing, a metallic tape extendably wound and received in the casing, an easy-release stop mechanism provided at a bottom side of the casing, and an optional locking switch which may be provided at a front top corner of the casing. The easy-release stop mechanism is an elastic plate body having at one end a pivot shaft engaged into two shaft seats provided in the casing to allow the plate body to pivotally turn about the pivot shaft, at the other end a downward curved top surface and a downward projected actuating block just beneath the curved top surface to project from an opening formed at a bottom side of the casing for a user to push with fingers, and at a central top portion a raised stop block having a downward curved top surface, such that when the actuating block is pushed inward against the casing and makes the raised stop block to frictionally contact the wound metallic tape in the casing, the metallic tape is temporarily retained in place, and when the actuating block is released the metallic tape is immediately allowed to retract into or be further extended from the casing.

REFERENCES:
patent: 4899460 (1990-02-01), Kang
patent: 5245761 (1993-09-01), Waldherr
patent: 5395069 (1995-03-01), Chen

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