Tripping and re-cocking mechanism

Details Tripping and re-cocking mechanism Tripping and re-cocking mechanism

2006-10-31

2006-10-31

Fenstermacher, David (Department: 3682)

Machine element or mechanism

Mechanical movements

Reciprocating to reciprocating

C701S080000

Reexamination Certificate

active

07127960

ABSTRACT:
An apparatus (20) for testing the co-efficient of friction of a road surface (78) of a road (79) including an electronic digital device (22) that senses through its sensor (75) the speed of a toothed sprocket wheel (71) and by which through the dropping of a frame (24) by means of a tripping mechanism (80) that trips upon a rotating motor (34) accelerating and by which a predetermined value in device (22) is reached by the speed of a tire flat (61) that strikes road surface (78).

REFERENCES:
patent: 3301039 (1967-01-01), Kummer
patent: 3538742 (1970-11-01), Benning
patent: 4202454 (1980-05-01), Browne et al.
patent: 4315426 (1982-02-01), Brandon
patent: 4662211 (1987-05-01), Strong
patent: 4779447 (1988-10-01), Rath
patent: 4909073 (1990-03-01), Takahashi et al.
patent: 4958512 (1990-09-01), Johnsen

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